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E. solid copper sulfide and silver nitrate react to form copper (ii) nitrate and solid silver sulfide. write a balanced chemical equation that describes the reaction. identify the oxidation number of each element in the reaction. (you do not need to include the total contribution of charge.) is this reaction a redox reaction or a non-redox reaction? explain your answer.

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Answer:

The given reaction is not a redox reaction.

Explanation:

Redox reaction is defined as chemical reaction in oxidation and reduction reactions occurs simultaneously.

Oxidation reaction is defined as the reaction in which an atom looses its electrons. Here, oxidation state of the atom increases.

Reduction reaction is defined as the reaction in which an atom gains electrons. Here, oxidation state of the atom decreases.

Solid copper sulfide when immersed in silver nitrate solution it reacts to form silver sulfide precipitate and copper(II) nitrate solution.

CuS(s)+2AgNO_3(aq)rightarrow Cu(NO_3)_2(aq)+Ag_2S(s)

Oxidation states of elements on reactant side:

Oxidation state of copper  = +2

Oxidation state of sulfur = -2

Oxidation number of silver  +1

Oxidation number of nitrogen = +5

Oxidation number of oxygen = -2

Oxidation states of elements on product side:

Oxidation state of copper  = +2

Oxidation state of sulfur = -2

Oxidation number of silver  +1

Oxidation number of nitrogen = +5

Oxidation number of oxygen = -2

No change in oxidation states of elements is observed which means that the given reaction is not a redox reaction.

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If 63.8 grams of aluminum metal (Al) react with 72.3 grams of sulfur (S) in a synthesis reaction, how many grams of the excess reactant will be left over when the reaction is complete? Be sure to write out the balanced equation for this reaction and to show all of your work.

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The balanced chemical reaction would be:

16Al + 3S8 = 8Al2S3

We need to determine which reactants are the limiting and the excess. To determine this, we use the initial amounts of the reactants given above. We need to convert them into units of moles and use the balanced reaction to relate the substances calculating the amount needed to react all of the reactants. We do as follows:

63.8 g Al ( 1 mol Al / 26.98 g Al ) ( 3 mol S8 / 16 mol Al ) (256.48 g S / 1 mol S )= 113.72 g S8 needed to completely react
72.3 g S8 ( 1 mol S8 / 256.48 g S8) ( 16 mol Al / 3 mol S8 ) ( 26.98 g / mol ) = 40.56 g Al needed to completely react

Therefore, the excess would be Al and the limiting would be sulfur. The amount excess would be 63.8 g Al  – 40.56 g Al = 23.24 g Al

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I NEEED HELP PLEASEEEEEE I WILL RATE BRAINLIEST!!!!!!!!!!!! Select the properly written and balanced equation for the following chemical reaction: Aqueous solutions of sodium hydroxide and iron (III) nitrate react to produce a precipitate of iron (III) hydroxide in an aqueous solution of sodium nitrate. ——-3NaOH (aq) + Fe(NO3)3 (aq) Fe(OH)3 (s) + 3NaNO3 (aq) NaOH (aq) + FeNO3 (aq) FeOH (s) + NaNO3 (aq) NaOH (aq) + Fe(NO3)3 (aq) FeOH3 (s) + NaNO3 (aq) 3NaOH (aq) + FeNO3 (aq) FeOH (s) + 3NaNO3 (aq) I believe that it is the first choice but I am not sure….

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I NEEED HELP PLEASEEEEEE I WILL RATE BRAINLIEST!!!!!!!!!!!! Select the properly written and balanced equation for the following chemical reaction: Aqueous solutions of sodium hydroxide and iron (III) nitrate react to produce a precipitate of iron (III) hydroxide in an aqueous solution of sodium nitrate. ——-3NaOH (aq) + Fe(NO3)3 (aq) Fe(OH)3 (s) + 3NaNO3 (aq) NaOH (aq) + FeNO3 (aq) FeOH (s) + NaNO3 (aq) NaOH (aq) + Fe(NO3)3 (aq) FeOH3 (s) + NaNO3 (aq) 3NaOH (aq) + FeNO3 (aq) FeOH (s) + 3NaNO3 (aq) I believe that it is the first choice but I am not sure….

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Equations can be balanced by using the half-reaction method. Which step should be completed immediately after finding the oxidation states of atoms? A inserting the coefficients B balancing the half reactions C identifying the half reactions D inspecting the number of atoms

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Equations can be balanced by using the half-reaction method. Which step should be completed immediately after finding the oxidation states of atoms? A inserting the coefficients B balancing the half reactions C identifying the half reactions D inspecting the number of atoms

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Which statement BEST describes a lifestyle with healthy eating habits? A. John and his family follow a diet plan that consists of healthy foods. If they begin to gain weight, they eat only protein until their weight drops to where they want it to be. B. Shannon and Shandra watch their weight carefully. They eat diets with no fat or sweets. Because of their plan, they stay very thin. C. Andrew is a wrestler and needs to stay at a consistent weight. In order to do so, he follows the dietary recommendations of a dietician carefully and always maintains a balanced diet. D. Maria and her brother Jose are obsessed with their appearance. In order to maintain a super-skinny look, Maria eats a low-calorie, no-fat, high-protein diet. In order to stay bulked up, Jose eats all protein and fats.

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Which statement BEST describes a lifestyle with healthy eating habits? A. John and his family follow a diet plan that consists of healthy foods. If they begin to gain weight, they eat only protein until their weight drops to where they want it to be. B. Shannon and Shandra watch their weight carefully. They eat diets with no fat or sweets. Because of their plan, they stay very thin. C. Andrew is a wrestler and needs to stay at a consistent weight. In order to do so, he follows the dietary recommendations of a dietician carefully and always maintains a balanced diet. D. Maria and her brother Jose are obsessed with their appearance. In order to maintain a super-skinny look, Maria eats a low-calorie, no-fat, high-protein diet. In order to stay bulked up, Jose eats all protein and fats.

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You are asked to write an article for the school newspaper about fad diets. Which of the following paragraphs would be the most factual? A. Fad diets are extreme and do not include balanced meals. They are usually hard to maintain because of their extreme restrictions. Also, the weight one loses while on a fad diet is generally gained back as soon as a person stops dieting. B. Fad diets can be fun because they rarely restrict what you eat. Plus, they induce weight loss in healthy, maintainable ways, and involve techniques that can improve your flexibility. C. Fad diets, which are necessary for fast weight loss, include healthy, well-balance meals. Unfortunately, the weight you lose while on a fad diet is usually gained back once you stop dieting. D. Fad diets are an important part of a diet regimen. They can induce lifelong weight loss and weight gain, which makes them best for young people who want to lose weight quickly.

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You are asked to write an article for the school newspaper about fad diets. Which of the following paragraphs would be the most factual? A. Fad diets are extreme and do not include balanced meals. They are usually hard to maintain because of their extreme restrictions. Also, the weight one loses while on a fad diet is generally gained back as soon as a person stops dieting. B. Fad diets can be fun because they rarely restrict what you eat. Plus, they induce weight loss in healthy, maintainable ways, and involve techniques that can improve your flexibility. C. Fad diets, which are necessary for fast weight loss, include healthy, well-balance meals. Unfortunately, the weight you lose while on a fad diet is usually gained back once you stop dieting. D. Fad diets are an important part of a diet regimen. They can induce lifelong weight loss and weight gain, which makes them best for young people who want to lose weight quickly.

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When the following equation is balanced with the lowest whole number coefficients possible, what is the coefficient in front of Ca3(PO4)2?

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Explanation :

In the net ionic equations, we are not include the spectator ions in the equations.

Spectator ions : The ions present on reactant and product side which do not participate in a reactions. The same ions present on both the sides.

(a) The given balanced ionic equation is,

Ni(NO_3)_2(aq)+Na_2S(aq)rightarrow NiS(s)+2NaNO_3(aq)

The ionic equation in separated aqueous solution will be,

Ni^{2+}(aq)+2NO_3^-(aq)+2Na^+(aq)+S^{2-}(aq)rightarrow NiS(s)+2Na^+(aq)+2NO_3^-(aq)

In this equation, Na^+text{ and }NO_3^- are the spectator ions.

By removing the spectator ions from the balanced ionic equation, we get the net ionic equation.

The net ionic equation will be,

Ni^{2+}(aq)+S^{2-}(aq)rightarrow NiS(s)

(b) The given balanced ionic equation is,

NaNO_3(aq)+KBr(aq)rightarrow KNO_3(s)+NaBr(aq)

The ionic equation in separated aqueous solution will be,

Na^+(aq)+NO_3^-(aq)+K^+(aq)+Br^-(aq)rightarrow KNO_3(s)+Na^+(aq)+Br^-(aq)

In this equation, Na^+text{ and }Br^- are the spectator ions.

By removing the spectator ions from the balanced ionic equation, we get the net ionic equation.

The net ionic equation will be,

NO_3^-(aq)+K^+(aq)rightarrow KNO_3(s)

(c) The given balanced ionic equation is,

Li_2SO_4(aq)+BaCl_2(aq)rightarrow BaSO_4(s)+2LiCl(aq)

The ionic equation in separated aqueous solution will be,

2Li^+(aq)+SO_4^{2-}(aq)+Ba^{2+}(aq)+2Cl^-(aq)rightarrow BaSO_4(s)+2Li^+(aq)+2Cl^-(aq)

In this equation, Li^+text{ and }Cl^- are the spectator ions.

By removing the spectator ions from the balanced ionic equation, we get the net ionic equation.

The net ionic equation will be,

SO_4^{2-}(aq)+Ba^{2+}(aq)rightarrow BaSO_4(s)

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Write the complete balanced equation for the following reaction: (3 points) NaBr + Ca3(PO4)2 yields CaBr2 + Na3PO4 HELP PLEASE

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Explanation :

In the net ionic equations, we are not include the spectator ions in the equations.

Spectator ions : The ions present on reactant and product side which do not participate in a reactions. The same ions present on both the sides.

(a) The given balanced ionic equation is,

Ni(NO_3)_2(aq)+Na_2S(aq)rightarrow NiS(s)+2NaNO_3(aq)

The ionic equation in separated aqueous solution will be,

Ni^{2+}(aq)+2NO_3^-(aq)+2Na^+(aq)+S^{2-}(aq)rightarrow NiS(s)+2Na^+(aq)+2NO_3^-(aq)

In this equation, Na^+text{ and }NO_3^- are the spectator ions.

By removing the spectator ions from the balanced ionic equation, we get the net ionic equation.

The net ionic equation will be,

Ni^{2+}(aq)+S^{2-}(aq)rightarrow NiS(s)

(b) The given balanced ionic equation is,

NaNO_3(aq)+KBr(aq)rightarrow KNO_3(s)+NaBr(aq)

The ionic equation in separated aqueous solution will be,

Na^+(aq)+NO_3^-(aq)+K^+(aq)+Br^-(aq)rightarrow KNO_3(s)+Na^+(aq)+Br^-(aq)

In this equation, Na^+text{ and }Br^- are the spectator ions.

By removing the spectator ions from the balanced ionic equation, we get the net ionic equation.

The net ionic equation will be,

NO_3^-(aq)+K^+(aq)rightarrow KNO_3(s)

(c) The given balanced ionic equation is,

Li_2SO_4(aq)+BaCl_2(aq)rightarrow BaSO_4(s)+2LiCl(aq)

The ionic equation in separated aqueous solution will be,

2Li^+(aq)+SO_4^{2-}(aq)+Ba^{2+}(aq)+2Cl^-(aq)rightarrow BaSO_4(s)+2Li^+(aq)+2Cl^-(aq)

In this equation, Li^+text{ and }Cl^- are the spectator ions.

By removing the spectator ions from the balanced ionic equation, we get the net ionic equation.

The net ionic equation will be,

SO_4^{2-}(aq)+Ba^{2+}(aq)rightarrow BaSO_4(s)

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Which statement BEST describes a lifestyle with healthy eating habits? A. John and his family follow a diet plan that consists of healthy foods. If they begin to gain weight, they eat only protein until their weight drops to where they want it to be. B. Shannon and Shandra watch their weight carefully. They eat diets with no fat or sweets. Because of their plan, they stay very thin. C. Andrew is a wrestler and needs to stay at a consistent weight. In order to do so, he follows the dietary recommendations of a dietician carefully and always maintains a balanced diet. D. Maria and her brother Jose are obsessed with their appearance. In order to maintain a super-skinny look, Maria eats a low-calorie, no-fat, high-protein diet. In order to stay bulked up, Jose eats all protein and fats.

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1. The answer is “C”.

“Identical twins” who have been raised apart are typically more similar in intelligence level than biological siblings raised together because they have been born with the same genetic code.

Identical twins originate from a single fertilized egg that parts into two. Before it parts, it is either male or female. After it parts, there are either two guys or two females. The two sections of the fertilized egg embed in the uterus and every create one of the twins.  

Identical twins have the equivalent hereditary source. No immediate reason for monozygotic twinning has been resolved; it isn’t innate. Monozygotic twins speak to around 33% all things considered. They may look strikingly comparative, and it might be hard to reveal to them separated.

2. The answer is “A”.

Lawrence Kohlberg felt that one of the only ways individuals will accomplish the objectives in each of his six stages was to participate in “consensus democracy” in small group settings.

Lawrence Kohlberg felt that the best way to support development through these stages was by discourse of good problems and by investment in consensus democracy inside small groups. Consensus democracy was rule by understanding of the gathering, not larger part rule. This would invigorate and widen the reasoning of youngsters and grown-ups, enabling them to advance starting with one phase then onto the next.

3. The answer is “D.  showing a learner how to correct common mistakes”.

The term scaffolding alludes to a procedure in which instructors display or exhibit how to take care of an issue, and afterward venture back, offering support as required. Analyst and instructional architect Jerome Bruner first utilized the term ‘scaffolding’ in this setting, harking back to the 1960s. The hypothesis is that when understudies are given the help they require while discovering some new information, they stand a superior possibility of utilizing that learning freely. Bruner suggests positive association and three methods of portrayal amid educating: activities, pictures, and dialect.  

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You are asked to write an article for the school newspaper about fad diets. Which of the following paragraphs would be the most factual? A. Fad diets are extreme and do not include balanced meals. They are usually hard to maintain because of their extreme restrictions. Also, the weight one loses while on a fad diet is generally gained back as soon as a person stops dieting. B. Fad diets can be fun because they rarely restrict what you eat. Plus, they induce weight loss in healthy, maintainable ways, and involve techniques that can improve your flexibility. C. Fad diets, which are necessary for fast weight loss, include healthy, well-balance meals. Unfortunately, the weight you lose while on a fad diet is usually gained back once you stop dieting. D. Fad diets are an important part of a diet regimen. They can induce lifelong weight loss and weight gain, which makes them best for young people who want to lose weight quickly.

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1. The answer is “C”.

“Identical twins” who have been raised apart are typically more similar in intelligence level than biological siblings raised together because they have been born with the same genetic code.

Identical twins originate from a single fertilized egg that parts into two. Before it parts, it is either male or female. After it parts, there are either two guys or two females. The two sections of the fertilized egg embed in the uterus and every create one of the twins.  

Identical twins have the equivalent hereditary source. No immediate reason for monozygotic twinning has been resolved; it isn’t innate. Monozygotic twins speak to around 33% all things considered. They may look strikingly comparative, and it might be hard to reveal to them separated.

2. The answer is “A”.

Lawrence Kohlberg felt that one of the only ways individuals will accomplish the objectives in each of his six stages was to participate in “consensus democracy” in small group settings.

Lawrence Kohlberg felt that the best way to support development through these stages was by discourse of good problems and by investment in consensus democracy inside small groups. Consensus democracy was rule by understanding of the gathering, not larger part rule. This would invigorate and widen the reasoning of youngsters and grown-ups, enabling them to advance starting with one phase then onto the next.

3. The answer is “D.  showing a learner how to correct common mistakes”.

The term scaffolding alludes to a procedure in which instructors display or exhibit how to take care of an issue, and afterward venture back, offering support as required. Analyst and instructional architect Jerome Bruner first utilized the term ‘scaffolding’ in this setting, harking back to the 1960s. The hypothesis is that when understudies are given the help they require while discovering some new information, they stand a superior possibility of utilizing that learning freely. Bruner suggests positive association and three methods of portrayal amid educating: activities, pictures, and dialect.  

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If nickel is added to copper sulfate solution, the nickel will replace the copper. write the balanced equation

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Explanation :

In the net ionic equations, we are not include the spectator ions in the equations.

Spectator ions : The ions present on reactant and product side which do not participate in a reactions. The same ions present on both the sides.

(a) The given balanced ionic equation is,

Ni(NO_3)_2(aq)+Na_2S(aq)rightarrow NiS(s)+2NaNO_3(aq)

The ionic equation in separated aqueous solution will be,

Ni^{2+}(aq)+2NO_3^-(aq)+2Na^+(aq)+S^{2-}(aq)rightarrow NiS(s)+2Na^+(aq)+2NO_3^-(aq)

In this equation, Na^+text{ and }NO_3^- are the spectator ions.

By removing the spectator ions from the balanced ionic equation, we get the net ionic equation.

The net ionic equation will be,

Ni^{2+}(aq)+S^{2-}(aq)rightarrow NiS(s)

(b) The given balanced ionic equation is,

NaNO_3(aq)+KBr(aq)rightarrow KNO_3(s)+NaBr(aq)

The ionic equation in separated aqueous solution will be,

Na^+(aq)+NO_3^-(aq)+K^+(aq)+Br^-(aq)rightarrow KNO_3(s)+Na^+(aq)+Br^-(aq)

In this equation, Na^+text{ and }Br^- are the spectator ions.

By removing the spectator ions from the balanced ionic equation, we get the net ionic equation.

The net ionic equation will be,

NO_3^-(aq)+K^+(aq)rightarrow KNO_3(s)

(c) The given balanced ionic equation is,

Li_2SO_4(aq)+BaCl_2(aq)rightarrow BaSO_4(s)+2LiCl(aq)

The ionic equation in separated aqueous solution will be,

2Li^+(aq)+SO_4^{2-}(aq)+Ba^{2+}(aq)+2Cl^-(aq)rightarrow BaSO_4(s)+2Li^+(aq)+2Cl^-(aq)

In this equation, Li^+text{ and }Cl^- are the spectator ions.

By removing the spectator ions from the balanced ionic equation, we get the net ionic equation.

The net ionic equation will be,

SO_4^{2-}(aq)+Ba^{2+}(aq)rightarrow BaSO_4(s)

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Aluminum metal reacts with iron(ii) sulfide to form aluminum sulfide and iron metal. what is the stoichiometric coefficient for aluminum when the chemical equation is balanced using the lowest, whole-number stoichiometric coefficients?

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Explanation :

In the net ionic equations, we are not include the spectator ions in the equations.

Spectator ions : The ions present on reactant and product side which do not participate in a reactions. The same ions present on both the sides.

(a) The given balanced ionic equation is,

Ni(NO_3)_2(aq)+Na_2S(aq)rightarrow NiS(s)+2NaNO_3(aq)

The ionic equation in separated aqueous solution will be,

Ni^{2+}(aq)+2NO_3^-(aq)+2Na^+(aq)+S^{2-}(aq)rightarrow NiS(s)+2Na^+(aq)+2NO_3^-(aq)

In this equation, Na^+text{ and }NO_3^- are the spectator ions.

By removing the spectator ions from the balanced ionic equation, we get the net ionic equation.

The net ionic equation will be,

Ni^{2+}(aq)+S^{2-}(aq)rightarrow NiS(s)

(b) The given balanced ionic equation is,

NaNO_3(aq)+KBr(aq)rightarrow KNO_3(s)+NaBr(aq)

The ionic equation in separated aqueous solution will be,

Na^+(aq)+NO_3^-(aq)+K^+(aq)+Br^-(aq)rightarrow KNO_3(s)+Na^+(aq)+Br^-(aq)

In this equation, Na^+text{ and }Br^- are the spectator ions.

By removing the spectator ions from the balanced ionic equation, we get the net ionic equation.

The net ionic equation will be,

NO_3^-(aq)+K^+(aq)rightarrow KNO_3(s)

(c) The given balanced ionic equation is,

Li_2SO_4(aq)+BaCl_2(aq)rightarrow BaSO_4(s)+2LiCl(aq)

The ionic equation in separated aqueous solution will be,

2Li^+(aq)+SO_4^{2-}(aq)+Ba^{2+}(aq)+2Cl^-(aq)rightarrow BaSO_4(s)+2Li^+(aq)+2Cl^-(aq)

In this equation, Li^+text{ and }Cl^- are the spectator ions.

By removing the spectator ions from the balanced ionic equation, we get the net ionic equation.

The net ionic equation will be,

SO_4^{2-}(aq)+Ba^{2+}(aq)rightarrow BaSO_4(s)

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How is the national debt affected by the national budget? A. The debt decreases as the government prints money. B. The debt decreases when spending is greater than taxes. C. The debt increases every year that there is a budget deficit. D. The debt increases when the budget is balanced.

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How is the national debt affected by the national budget? A. The debt decreases as the government prints money. B. The debt decreases when spending is greater than taxes. C. The debt increases every year that there is a budget deficit. D. The debt increases when the budget is balanced.

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Which statement BEST describes a lifestyle with healthy eating habits? A. John and his family follow a diet plan that consists of healthy foods. If they begin to gain weight, they eat only protein until their weight drops to where they want it to be. B. Shannon and Shandra watch their weight carefully. They eat diets with no fat or sweets. Because of their plan, they stay very thin. C. Andrew is a wrestler and needs to stay at a consistent weight. In order to do so, he follows the dietary recommendations of a dietician carefully and always maintains a balanced diet. D. Maria and her brother Jose are obsessed with their appearance. In order to maintain a super-skinny look, Maria eats a low-calorie, no-fat, high-protein diet. In order to stay bulked up, Jose eats all protein and fats.

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1. The answer is “C”.

“Identical twins” who have been raised apart are typically more similar in intelligence level than biological siblings raised together because they have been born with the same genetic code.

Identical twins originate from a single fertilized egg that parts into two. Before it parts, it is either male or female. After it parts, there are either two guys or two females. The two sections of the fertilized egg embed in the uterus and every create one of the twins.  

Identical twins have the equivalent hereditary source. No immediate reason for monozygotic twinning has been resolved; it isn’t innate. Monozygotic twins speak to around 33% all things considered. They may look strikingly comparative, and it might be hard to reveal to them separated.

2. The answer is “A”.

Lawrence Kohlberg felt that one of the only ways individuals will accomplish the objectives in each of his six stages was to participate in “consensus democracy” in small group settings.

Lawrence Kohlberg felt that the best way to support development through these stages was by discourse of good problems and by investment in consensus democracy inside small groups. Consensus democracy was rule by understanding of the gathering, not larger part rule. This would invigorate and widen the reasoning of youngsters and grown-ups, enabling them to advance starting with one phase then onto the next.

3. The answer is “D.  showing a learner how to correct common mistakes”.

The term scaffolding alludes to a procedure in which instructors display or exhibit how to take care of an issue, and afterward venture back, offering support as required. Analyst and instructional architect Jerome Bruner first utilized the term ‘scaffolding’ in this setting, harking back to the 1960s. The hypothesis is that when understudies are given the help they require while discovering some new information, they stand a superior possibility of utilizing that learning freely. Bruner suggests positive association and three methods of portrayal amid educating: activities, pictures, and dialect.  

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When the following reaction is balanced the coefficient in front of carbon dioxide is: ____ C5H12 + ____ O2 → ____ CO2 + ____ H2O

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Answer:

The coefficient of CO₂ is 5.

Explanation:

    Balancing the reaction:

___C₅H₁₂ + ___O₂ → ___CO₂ + ___H₂O

There are 5 C in the left side, so we put 5 on the right side:

___C₅H₁₂ + ___O₂ →  5CO₂ + ___H₂O

There are 12 H in the left side, so we put 6 as the coefficient of H₂O:

___C₅H₁₂ + ___O₂ →  5CO₂ + 6H₂O

Finally, there are 16 O in the right side, so we put 8 as the coefficient of O₂

___C₅H₁₂ + 8O₂ →  5CO₂ + 6H₂O

The coefficient of CO₂ is 5.

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Diatomic n2 can react with diatomic h2 to form ammonia (nh3). the balanced chemical equation is: n2 + 3 h2 ? 2 nh3 if 6 moles of h2 totally reacted with more than enough n2, how many moles of ammonia would be expected to form?

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Explanation :

In the net ionic equations, we are not include the spectator ions in the equations.

Spectator ions : The ions present on reactant and product side which do not participate in a reactions. The same ions present on both the sides.

(a) The given balanced ionic equation is,

Ni(NO_3)_2(aq)+Na_2S(aq)rightarrow NiS(s)+2NaNO_3(aq)

The ionic equation in separated aqueous solution will be,

Ni^{2+}(aq)+2NO_3^-(aq)+2Na^+(aq)+S^{2-}(aq)rightarrow NiS(s)+2Na^+(aq)+2NO_3^-(aq)

In this equation, Na^+text{ and }NO_3^- are the spectator ions.

By removing the spectator ions from the balanced ionic equation, we get the net ionic equation.

The net ionic equation will be,

Ni^{2+}(aq)+S^{2-}(aq)rightarrow NiS(s)

(b) The given balanced ionic equation is,

NaNO_3(aq)+KBr(aq)rightarrow KNO_3(s)+NaBr(aq)

The ionic equation in separated aqueous solution will be,

Na^+(aq)+NO_3^-(aq)+K^+(aq)+Br^-(aq)rightarrow KNO_3(s)+Na^+(aq)+Br^-(aq)

In this equation, Na^+text{ and }Br^- are the spectator ions.

By removing the spectator ions from the balanced ionic equation, we get the net ionic equation.

The net ionic equation will be,

NO_3^-(aq)+K^+(aq)rightarrow KNO_3(s)

(c) The given balanced ionic equation is,

Li_2SO_4(aq)+BaCl_2(aq)rightarrow BaSO_4(s)+2LiCl(aq)

The ionic equation in separated aqueous solution will be,

2Li^+(aq)+SO_4^{2-}(aq)+Ba^{2+}(aq)+2Cl^-(aq)rightarrow BaSO_4(s)+2Li^+(aq)+2Cl^-(aq)

In this equation, Li^+text{ and }Cl^- are the spectator ions.

By removing the spectator ions from the balanced ionic equation, we get the net ionic equation.

The net ionic equation will be,

SO_4^{2-}(aq)+Ba^{2+}(aq)rightarrow BaSO_4(s)

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Hurry help me !!! Species are disappearing at an accelerating rate through human action, primarily habitat destruction but also pollution and the introduction of exotic species into residual natural environments. I have said that a fifth or more of the species of plants and animals could vanish or be doomed to early extinction by the year 2020 unless better efforts are made to save them. . . . As the last forests are felled in forest strongholds like the Philippines and Ecuador, the decline of species will accelerate even more. In the world as a whole, extinction rates are already hundreds or thousands of times higher than before the coming of man. They cannot be balanced by new evolution in any period of time that has meaning for the human race. What message does the author convey in this excerpt? Humans need to take action to end further destruction of the natural environment. In the coming years, humans will put forth stronger efforts to save plants and animals. The extinction of plant and animal species is problematic in the Philippines and Ecuador. In recent years, the extinction rate for many animal species has significantly increased.

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Hey there!

Correct answer is D. Comma or Period Inside Rule

A. Question mark or exclamation point inside: those are not really necessary.

B. Colon or semicolon: not, a semicolon would divide the whole sentence and it would be shorten; a colon would work but after requested, when there is already a comma.

C. Question mark or Exclamation Point Outside Rule: would not work, becase it is an very polite and affirmative sentence.

D: A comma or period inside rule: actually, just a comma would work. Please, Cooper’s dad requested, go… Cooper’s dad requested must be in between commas as it is a vocative.

Hope this helps

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Which party has a balanced budget amendment as one of its principles?

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The correct answer is alternative D: “The United States should explore many different sources of energy.”

The Republican Party is one of the two major political parties of the United States, and is the party of the current president Donald Trump. This party has elected many important presidents over the course of its history, such as Abraham Lincoln, Theodore Roosevelt, Dwight Eisenhower, Richard Nixon, Ronald Reagan and George Bush senior and son.

Through history this political parties has expressed its desire to explore alternative sources of energy so as to achieve energy independence from other nations.

For this reason, the correct alternative is letter D.

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Write a balanced nuclear equation for the Beta decay of : A. Nitrogen-16 B. Potassium-40

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Answers:

The equation balanced is 2Sb + 3 Cl₂ → 2SbCl₃

Explanation:

To balance the equation that represents a chemical reaction you use coefficients in front of every different substance: compound, separate atoms or ions.

The coefficients are used to ensure compliance of mass conservation law in chemical reactions: the number of atoms of the same kind on the reactant side must equal the number of atoms of the same kind on the product side.

Balancing chemical equations is an algebraic procedure, you just must use multiplication and addition.

Coefficients are used to indicate the number of units of substances present and subscripts are used to indicate the number of each kind of atoms inside each unit. You can modify coefficients but not subscripts, since coefficients just change the number of units, but subscripts indicate the composition of the substance.

The coefficient 1 is understood in front of any substance if none coefficient is shown. The same is true for subscripts: subscript 1 is assumed if none coefficient is at the right corner of an atom.

This is how you balance the given reaction:

1) First step: balance Cl atoms

————————————————————————-

Atom             Reactant side             Product side:

Cl                  Cl₂ ⇒ 1×2 = 2               Cl₃ ⇒ 1×3 = 3

————————————————————————

Conclusion: put a 3 in front of Cl₂ in fron of  SbCl₃

Preliminar result: Sb + 3 Cl₂ → 2SbCl₃            

Now there are 3×2 = 6 atoms of Cl in the reactant side and 2×3 atoms of Cl in the product side.

2) Second step: balance Sb atoms

—————————————————————————–

Atom             Reactant side             Product side

Sb                  1×1 = 1                          2×1 = 2

—————————————————————————–

Conclusion: put a 2 in front of Sb atom in the reactant side:

Second preliminar result: 2Sb + 3 Cl₂ → 2SbCl₃

3) Count the atoms:

Atom             Reactant side       Product side

Sb                  2                            2

Cl                   6                            6

Conclusion: the equation is balanced.

Final result: 2Sb + 3 Cl₂ → 2SbCl₃

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Given the unbalanced equation: _A1 + _CuSO4 _Aqx(SO4)3 + _CuWhen the equation is balanced using the smallest whole -number coefficients, what is the coefficient of A1

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Given the unbalanced equation: _A1 + _CuSO4 _Aqx(SO4)3 + _CuWhen the equation is balanced using the smallest whole -number coefficients, what is the coefficient of A1

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Please help me. I am a little stuck on what to do. It’s been a few months since I have balanced equations, and I know that is one of the steps. I’m very confused on what to do, will someone please help me? In the following balanced neutralization reaction equation, how many moles of Ca(OH)2 are required to completely neutralize 1.2 moles of HI? 2HI + Ca(OH)2 → CaI2 + 2H2O A) 1.2 moles B) 0.6 moles C) 2.4 moles D) 1.0 mol Warning: Plato Student

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Answer: Cu+Au^{3+}rightarrow Cu^{2+}+Au

Explanation: when E^0= +ve, reaction is spontaneous

E^0= -ve, reaction is non spontaneous

E^0= 0, reaction is in equilibrium

1. Ni+Zn^{2+}rightarrow Ni^{2+}+Zn

Here Ni undergoes oxidation by loss of electrons, thus act as anode. zinc undergoes reduction by gain of electrons and thus act as cathode.

E^0=E^0_{cathode}- E^0_{anode}

Where both E^0 are standard reduction potentials.

E^0_{[Zn^{2+}/Zn]}= -0.76V

E^0_{[Ni^{2+}/Ni]}= -0.26V

E^0=E^0_{[Zn^{2+}/Zn]}- E^0_{[Ni^{2+}/Ni]}

E^0=-0.76V- (-0.26V)=-0.50V

As the standard emf comes to be negative, the reaction is non spontaneous.

2) Mg+Li^{+}rightarrow Mg^{2+}+Li

Here Mg undergoes oxidation by loss of electrons, thus act as anode. Lithium undergoes reduction by gain of electrons and thus act as cathode.

E^0_{[Mg^{2+}/Mg]}= -2.37V

E^0_{[Li^{+}/Li]}= -3.05V

E^0=E^0_{[Li^{+}/Li]}- E^0_{[Mg^{2+}/Mg]}

E^0=-3.05- (-2.37V)=-0.68V

As the standard emf comes to be negative, the reaction is non spontaneous.

3) Cu+Au^{3+}rightarrow Cu^{2+}+Au

Here Cu undergoes oxidation by loss of electrons, thus act as anode. Gold undergoes reduction by gain of electrons and thus act as cathode.

E^0_{[Au^{3+}/Au]}= +1.40V

E^0_{[Cu^{2+}/Cu]}= 0.34V

E^0=E^0_{[Au^{3+}/Au]}- E^0_{[Cu^{2+}/Cu]}

E^0=1.40- (+0.34V)=1.06V

As the standard emf comes to be positive, the reaction is spontaneous.

4)  Zn+Ca^{2+}rightarrow Zn^{2+}+Ca

Here Zn undergoes oxidation by loss of electrons, thus act as anode. Calcium undergoes reduction by gain of electrons and thus act as cathode.

E^0_{[Zn^{2+}/Zn]}= -0.76V

E^0_{[Ca^{2+}/Ca]}=-2.87V

E^0=E^0_{[Ca^{2+}/Ca}- E^0_{[Zn^{2+}/Zn]}

E^0=-2.87V- (-0.76V)=-2.11V

As the standard emf comes to be negative, the reaction is non spontaneous.

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When the gases dihydrogen monosulfide and oxygen react, they form the gases sulfur dioxide and water vapor. Write the balanced chemical equation for the reaction.

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Answer: The correct answer is option(A).

Explanation:

An iron atom emits particles when it is struck by light.This phenomena is called as Photoelectric effect.

Photoelectric effect is defined as when photons (particles of light) falls on the metallic surface, electrons from the surface are ejected out and these ejected out electrons are called photo electrons.

This phenomena was not explained by John Dalton’s model of the atom.

Where as John Dalton’s model of atom explains that matter is made up smallest indivisible particle that is atom, elements combines in fixed proportion with another elements to give compounds, chemical reaction is an arrangement of an atoms.

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A newspaper reporter has written an article in favor of organic gardening and composting. The editor wants to be sure to present a balanced viewpoint. Which source will most likely present a counterclaim to the article? A. “15 Tips on Composting in Your Backyard” by the state agricultural department B. “The Ecological Case Against Organic Farming,” in the New York Times C. “The Top 10 Reasons to Support Organic Farming in the 21st Century” on www.organic.org D. “A Buyer’s Guide to Organic Meats and Poultry” by a natural foods supermarket chain

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Answer:

A. He led readers through events in the order they really happened  

Explanation:

William Wordsworth’s “I meandered Lonely as a cloud” manages the obviously basic experience of the verse I with numerous daffodils developing in a lovely scene and outperforming everything in their polish and pulchritude. However this impression has such a profound and serious impact on the onlooker that the last never forgets this uncommon experience when the person in question is “In empty or in thoughtful state of mind”  

The poem comprises of 24-line versifying tetrameter stanzas which are additionally sorted out into four sets, with a quatrain hidden the rhyme plan of a substitute rhyme, and a rhyming couplet.

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Imagine you have to create a well balanced meal for yourself and three friends. How can you make sure that the food you serve them will not contain foodborne illnesses?

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ANSWER:

The best way to counter poor food security is to have workplace inspections

EXPLANATION:

The best way to counter poor food security is to have workplace inspections help evade disturbances, injuries, and illnesses. Through a thorough inspection of the workplace, examinations help to know and report dangers for corrective action. Health and protection organization can help plan, conduct, report and monitor investigations. In an inquiry, there is a need to investigate who, what, where, when and how. Also, give a significant examination of things that are or are likely to develop into threatening or harmful conditions because of stress, wear, impact, vibration, heat, corrosion, chemical reaction or ill-usage.

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