Home / essay help / business plan writing services / which metal could you use to reduce mn2+ ions but not mg2+ ions?

which metal could you use to reduce mn2+ ions but not mg2+ ions?

Which metal could you use to reduce Cr3 ions but not Mn2 ions?
8,050 results
Chemistry- Dr.Bob222
Which metal could you use to reduce Cr3+ ions but not Mn2+ ions? Which metal could you use to reduce ions but not ions? Zn Mg Ni Al

asked by Anonymous on May 30, 2016
chem
Which shows the greatest metallic character? -Na -K -Rb -Cs Also, What ions are very important for the proper functioning of biologic systems such as nerves and muscles? –oxygen ions –nitride ions –alkali metal ions –alkaline earth metal ions

asked by DavidG on May 2, 2007
Chemistry
Consider the following reaction: PbCl2 + 2 NaOH -> Pb(OH)2 + 2 NaCl What would be the major species observed floating in solution after one mole of PbCl2 and 2 moles of NaOH are mixed in aqueous solution? 1. Na+ ions, Cl− ions and H+ ions 2. Pb2+ ions,

asked by Cher on April 5, 2010
AP Chemistry
Consider the following reaction: PbCl2 + 2 NaOH → Pb(OH)2 + 2 NaCl What would be the major species observed floating in solution after one mole of PbCl2 and 2 moles of NaOH are mixed in aqueous solution? 1. Na+ ions, Cl− ions and H+ ions 2. Pb2+ ions,

asked by Sam on April 18, 2016
chemsitry
What ions are very important for the proper fuctioning of biological systems such as nerves and cells? A)alkali earth metals B)hydrogen ions C)oxygen ions D)nitride ions E)alkali metal ions

asked by ninjaturtle on April 21, 2007

chem help ASAP!!!!
What ions are very important for the proper fuctioning of biological systems such as nerves and cells? A)alkali earth metals B)hydrogen ions C)oxygen ions D)nitride ions E)alkali metal ions my choice is A or C can anyone help?

asked by optifree on April 22, 2007
chemistry
Write the formula of the ionic compound that forms between a. copper(I) ions and chloride ions—CuCl b. copper(II) ions and hydrogen sulfate ions–Cu(HSO4)2 c. lithium ions and iodide ions–LiI d. cobalt(III) ions and phosphate ions—CoPO4

asked by krystal on February 6, 2012
Chemistry
How did the metal atoms become ions? Metal atoms became ions by losing electrons to form positively charged ions(cations). How did the nonmetal atoms become ions? Nonmetal atoms became ions by gaining electrons to form negative ions(anions).

asked by Damon on July 8, 2010
chemistry
A 49.45 mL sample of solution containing Fe2+ ions is titrated with a 0.0103 M KMnO4 solution. It required 23.76 mL of KMnO4 solution to oxidize all the Fe2+ ions to Fe3+ by the following reaction. MnO4-(aq) + Fe2+(aq) Mn2+(aq) + Fe3+(aq) (unbalanced) (a)

asked by Anonymous on October 28, 2010
Chemistry
A 2.80-g sample of haematite ore containing Fe3+ ions was dissolved in a concentrated acid and the solution was diluted to 250 mL. A 25.0 mL aliquot was reduced with Sn2+ to form a solution of Fe2+ ions. This solution of Fe2+ ions required26.4mL of a

asked by Luke on August 23, 2016
Chemistry
Which of the following transition metal ions has a color? Cr3+ , hg2+, v2+ How can you predict that? I don’t understand!!

asked by Catherine on October 14, 2012
Chemistry
If a piece of copper metal is dipped into a solution containing Cr3+ ions, what will happen? Explain with Ev values

asked by Jake on May 15, 2012
Chem
Manganese dioxide reacts with bromide ions to form manganese ions and bromate ions in an acidic aqueous solution. Write the balanced equation for this reaction. 1)Br- + MnO2 + 3H2O –> Mn2+ + BrO3- + 2H3O+ 2)Br- + 3MnO2 + 6H3O+ —> 3Mn2+ + 9H2O + BrO3-

asked by Rob on December 12, 2007
Chemistry PLEASE HELP!
Manganese dioxide reacts with bromide ions to form manganese ions and bromate ions in an acidic aqueous solution. Write the balanced equation for this reaction. Select one: a. Br- + MnO2 + 3H2O Mn2+ + BrO3- + 2H3O+ b. Br- + 3MnO2 + 6H3O+ 3Mn2+ + 9H2O +

asked by Sophie on May 3, 2013
chem
im studying for a test and i have no idea where to even start for this practice problem..?? a 0.15M(molarity im assuming)solution of BrCl2 contains.. a).15MBr2+ ions and .30M Cl- ions b).30MBr2+ ions and .15M Cl- ions c).15MBr2+ ions and .15M Cl- ions

asked by hannah on March 27, 2011

Chemistry
when 25.0 mL of a solution containing both Fe2+ and Fe3+ ions is titrated with 23.0 mL of 0.0200 M KMnO4 (in dilute sulfuric acid). As a result, all of the Fe2+ ions are oxidized to Fe3+ ions. Next, the solution is treated with Zn metal to convert all of

asked by Albert on December 15, 2011
chemistry.
a quantity of 25 ml of a solution containing both Fe2+ and Fe3+ ions is titrated with 23 ml of .02 M KMnO4 solution. as a result all the Fe2+ ions are oxidised to Fe3+ ions. Next the solution is treated with Zn metal to convert all Fe3+ ions to Fe2+ ions.

asked by mani on September 24, 2012
Chemistry
Would flame test be useful for detecting metal ions present in a mixture of metal ions?

asked by Martimer on October 1, 2008
Chemistry
Can somebody help me with this question? Zinc metal is placed in a solution of copper ions and undergoes an oxidation-reduction reaction. Which direction is the spontaneous reaction? Zn metal goes into solution. Cu(II) ions come out. Zn + Cu+2 ==> Zn+2 +

asked by Lisa on February 10, 2007
chemistry
Would flame tests be useful for detecting metal ions present in a mixture of metal ions? Explain. In some cases, yes. In most cases, no.

asked by Anonymous on May 11, 2007
Chemistry
How many unpaired electrons are there in the following transition metal ions in their hexacyano-complex ions? Fe^3+, Pd^2+,CO^2+

asked by Anonymous on December 11, 2017
chem
A greenish blue salt known to be composed of copper and chloride ions is dissolved in DI water. Aluminum metal is used to reduce the copper ions to metallic copper, which is collected, dried and weighed. If the origanal sample has a mass 1.362g and the

asked by Diane on June 16, 2017
Integrated Science
What do positive hydrogen ions produce when they react with water in solution? A).hydroxide ions B).hydronium ions C).a salt D).negative hydrogen ions I believe the answer is A). Is this correct?

asked by Kiley on December 15, 2018
Chemistry (moles)
A 1.00L sample of seawater contains 19.4g of chloride ions, 10.8 g of sodium ions, and 1.29 g of magnesium ions. How many more moles of chloride ions would be needed to make neutral salts of all the cations in solution?

asked by Toni Jones on February 28, 2011
chemistry
how do you know which halide salts confirms a presence of F- ions, Cl- ions, Br- ions, and I- ions?

asked by Amanda on February 4, 2008

chem
how do you know which halide salts confirms a presence of F- ions, Cl- ions, Br- ions, and I- ions?

asked by Amanda on February 3, 2008
Chemistry
There are _ oxygen ions in 1 mole of Na2O. A. 6.0 x 10^23 O2 ions B. 1.2 x 10^24 O2 ions C. 3.0 x 10^23 ions D. None of these

asked by Ashley on March 4, 2012
Chemisrty
Would Flame test be useful for detecting metal ions present in a mixture of metal ions?? It is not a reliable method. Atomic spectroscopy would be much more accurate and sensitive than the human eye. To add to the information provided by Bob Pursely, which

asked by Bryan on October 23, 2006
Science
When 25.0 ml of a solution containing both Fe2+and Fe3 +ions is titrated with 23.0 ml of 0.0200M KMnO4(in dilute sulphuric acid), all the Fe2+ are oxidised to Fe3+ ions. Next, the solution is treated with Zinc metal to convert all the Fe3+ ions to Fe2+

asked by Ali on July 2, 2016
science
An atom loses an electron. What will happen when it approaches a positively-charged ion? A. The ions will repel each other. B. The ions will attract each other. C. The ions will cancel each other out. D. The ions will neither attract nor repel each other.

asked by Anonymous on May 6, 2013
Chemistry
What is the formula for the ions in the compounds BaSO4 and Li2CO3 BaSO4 has barium ions (Ba2+, Sulfate ions SO42-, and Lithium carbonate has lithium ions Li1+, and carbonate ions CO32- Ba ions (might be written as Ba^2+) and sulfate (might be written as

asked by Bryan on November 16, 2006
chemistry
A stock solution containing Mn2+ ions was prepared by dissolving 1.168 g pure manganese metal in nitric acid and diluting to a final volume of 1.000 L. Calculate the concentration of the stock solution.

asked by rachel on August 9, 2012
chemistry
Consider the following half-reactions: MnO4- + 8H+ + 5e- –> Mn2+ + 4H2O NO3- + 4H+ + 3e- –> NO + 2H2O Predict whether NO3- ions will oxidize Mn2+ to MnO4- under standard-state conditions.

asked by Anonymous on July 23, 2010
Any chemistry lovers?
A voltaic cell consists of Mn/Mn2+ and Cd/Cd2+ half-cells with the following initial concentrations: [Mn2+] = 0.090 M; [Cd2+] = 0.060 M. A)What is the intital Ecell? B)What is Ecell when [Cd2+} reaches .050M. C) What is [Mn2+] when Ecell reaches 0.055V? D)

asked by stumped on May 4, 2008
Science
If barium ions (Ca^2) have a charge of 2 + and hydroxide ions (C1^1) have a charge of 1-, the compound calcium chloride is? a)Ca2C1 b)CaC1 c)CaC12 d)Ca2C12 Those are “ells” and not “1s”. What’s with the barium ions (Ca^2) and hydroxide ions (Cl^1)? Ba ions

asked by Anonymous on May 29, 2007

chem
How many moles of ions are there in .2 mol of lithium oxide? I need help again… Strictly speaking, Li2O is a solid and in that form it is not ionized. To get ions from it, you must dissolve it in water, and that causes it to decompose. Despite all that,

asked by Laura on August 29, 2005
Science Question
Which of the following statements best describes what is happening in a water softening unit? The hard ions are all trapped in the softener, which filets out all the ions. The ions in the water softener are softened by chemically bonding with sodium. The

asked by Layla on February 7, 2013
Chemistry
A solution contains Cr3+ ion and Mg2+ ion. The addition of 1.00 L of 1.55M NaF solution is required to cause the complete precipitation of these ions as CrF3(s) and MgF2(s). The total mass of the precipitate is 49.9g .Find the mass of Cr3+ in the original

asked by Dee on October 1, 2014
Chemistry
Metal cations can act as lewis acids in water to produce an acidic solution even though the metal ion contains no hydrogen. Water hydrates the ions in solution and partial loss of electrons from water allows hydrogen ion to be lost What is the pH of a

asked by Jude on April 16, 2011
Chemistry
When asked to name all of the ions and molecules present in a 0.1 mol L-1 solution of CH3COOH, why are there OH- ions present if the equation is CH3COOH(aq) + H2O(l) –> CH3COO-(aq) + H3O+(aq) ? The water ionizes in such a manner that the product of the

asked by Fiona on May 12, 2007
Chemistry
When hypochlorite ions act as an oxidizing agent, hydroxide ions are formed. What will this do to iron (II) or to iron (III) ions? Both Fe(OH)2 and Fe(OH)3 are insoluble in an aqueous solution.

asked by Raj on March 20, 2007
Science
For a cell of the CsCl type (figure 9.18), how is the length of one side of the cell,s, related to the sum of the radii of the ions, r subscript cation + r subscript anion? Figure 9.18 : i . imgur . com / zHj2SGW.png Another question : Consider the NaCl

asked by Joe on December 7, 2013
AP Chem – Science
For a cell of the CsCl type (figure 9.18), how is the length of one side of the cell,s, related to the sum of the radii of the ions, r subscript cation + r subscript anion? Figure 9.18 : i . imgur . com / zHj2SGW.png Another question : Consider the NaCl

asked by Kony on December 5, 2013
chem
From the following list, identify the ions that are more easily reduced than H+. Fe2+(aq) Al3+(aq) Cr3+(aq) Ag+(aq) Sn4+(aq)

asked by sarah on April 9, 2013
Science

  1. You have made the following two solutions: X) hydrogen ion concentration = 1 x 10-5M Y) pH = 4 State which statements below are true and which are false: a. Solution X contains 1 x 10-9M hydroxide ions. b. Solution X contains more H+ ions than Solution

asked by Alex on September 10, 2012

Chem -Bob Pursley Please Help!
So I would like to check some of my answers. I really appreciate any help 1. Which of the following atoms or ions is diamagnetic; Cr Br Mn2+ B C4+ – I said C4+ 2. Which of the following atoms or ions is paramagnetic? C4- S^4+ V^4+ Se2- Ge4+I said V^4+

asked by Josh on November 12, 2017
Chemistry
When NaCl dissolves in water it breaks up in sodium ions (Na+)and chloride ions(cl).500 ml of a 1M solution of NaCl contains how many (NA+) ions

asked by Colby on July 14, 2011
Chemistry
How many Cu+2 ions are in 5.33 mol of CuCl2? I did this so far: n-> 5.33 mol Ncu-> ? ions M= 134.45 g =5.33 mol x (602×10^23 ions/ 1 mol) =3.21×10^24 ions

asked by Sunny on November 12, 2016
chemistry
An aqueous solution is analyzed and found to contain potassium ions and sulfite ions. Write the equation for the dissolution of the salt that produced this solution. If the solution contains 0.600 mol of potassium ions, how many moles of sulfite ions are

asked by lebanon on February 23, 2014
Physics
You are asked to consult for the city’s research hospital, where a group of doctors is investigating the bombardment of cancer tumors with high-energy ions. The ions are fired directly toward the center of the tumor at speeds of 5.6 ×106m/s. To cover the

asked by Danielle on September 13, 2015
Ion Charge & Formulas of Ionic Compounds
Can you please take a look at my questions. Thank you very much. 1.classify the law of definite proportions. In specific proportions, A type of compound always contains the same elements. Is this good? Any other info would be greatly appreciated. 2.how do

asked by Sara on April 20, 2010
Ionic compounds Scinece

  1. What happens to the change on individual ions when they form ions? 11. Write the names of the two ions in each of the following compounds. (C) Na2O (E) Na3PO4 (G) NH4OH (H) Ca (NO3)2 8. Use the tables of metals, non-metals, and polyatomic ions and the

asked by Joshua on January 22, 2015
Chemistry
For the following electrochemical cell: Fe(s) / Fe2+(aq) // MnO4–(aq) Mn2+(aq) / Pt(s) Which letter corresponds to the correct balanced chemical equation in an acidic solution? A. 5Fe(s) + 16H+(aq) + 2MnO4–(aq)–> 2Mn2+(aq) + 8H2O(l) + 5Fe2+(aq) B.

asked by Amy on May 8, 2008
physics
In one type of mass spectrometer, ions having the same velocity move through a uniform magnetic field. The spectrometer is being used to distinguish 12C+ and 14C+ ions that have the same charge. The 12C+ ions move in a circle of diameter 25 cm. (a) What is

asked by Homer on April 12, 2014
Physics
Singly charged positive ions are kept on a circular orbit in a cyclotron. The magnetic field inside the cyclotron is 0.947 T. The mass of the ions is 3.01×10-26 kg, and speed of the ions is 3.45 percent of the speed of the light. What is the diameter of

asked by Rex on June 6, 2012

Conductivity
1 M LiF(aq) will have (lower, the same, higher) conductivity than 1 M CsI(aq)? A. Same, all ions (Li+Cs+F–and I–) have the same magnitude of charge. B. Lower, the smaller ions (Li+ and F–) have a higher charge density, and therefore, a greater

asked by Angela on January 12, 2011
chemistry
If you have 25.3 g of NaCl. a) how many moles of NaCl do you have? = .433 mol b) how many moles of sodium ions do you have? c)how many moles of chloride ions do you have? d) how many sodium ions do you have? e) how many chloride ions do you have? How do i

asked by Sarah on August 30, 2010
Chemistry 20
Sorry, the 1st part to those 2 questions are: Hard water contains metal ions, most commonly calcium and magnesium ions. Some moderately hard water is found to contain 200ppm of calcium hydrogen carbonate.

asked by Cheryl on April 30, 2011
chemistry
Which of these ions have five d electrons in the outermost d subshell? Mn2+ Fe2+ Re2+ Y2+ Tc2+ Zn2+ Ru2+

asked by Katie on March 30, 2012
Physics
When the body temperature drops, this has the effect of reducing the potential across the axonal membrane slightly. At a body temperature of 30°C, the potential difference experimentally measured concentration of Na+ ions inside the lipid bilayer is 10^18

asked by Physics lover on February 23, 2016
Physics
In designing a velocity selector that uses uniform perpendicular electric and magnetic fields, you want to select positive ions of charge +5e that are traveling perpendicular to the fields at 8.75 km/s. The magnetic field availabe to you has a magnitude of

asked by J on February 18, 2008
Materials Science
The atomic radii of Mg2+ and F-1 ions are 0.072 and 0.133 nm, respectively. (a) Calculate the force of attraction between these two ions at their equilibrium interionic separation (i.e., when the ions just touch one another). (b) What is the force of

asked by Eflatun on March 10, 2017
chem
how many ions do each produce when in a 1.0M solution CH3COOH Ca(NO3)2 NaNO3 NaCl H2SO4 To figure out this you have to be able to dissociate each one and multiply the amount of ions you get by the molarity. I believe NaCl would look like: Na+ + Cl- and

asked by kim on April 22, 2007
physics
Suppose that the resistance between the walls of a biological cell is 3.00 x 10^9 Ω. (a) What is the current when the potential difference between the walls is 70 mV? __ A (b) If the current is composed of Na+ ions (q = +e), how many such ions

asked by ali-1 on January 25, 2011
Chemistry
A sample of 1.55g of iron ore is dissolved in a acid solution in which the iron is converted into Fe2+. The solution formed is then titrated with KMnO4 which oxidises Fe2+ to Fe3+ while the MnO4- ions are reduced to Mn2+ ions. 92.95 mL of 0.020M KMnO4 is

asked by Hidayah on June 9, 2018

Chemistry
Suppose you were given three unlabelled solutions. You know that one contains Iron (II) ions, another contains Iron (III) ions and the third has Silver ions, but you don’t know which is which. Devise a scheme by which you could identify each of the three

asked by Andrzelika on February 18, 2010
Chemistry
NaCl crystallizes in face-centered cubic cell. what is the total number of ions(Na+ ions and Cr- ions) that lie withing a unit cell of NaCl? 2 4 8 6 5

asked by Lauren on February 6, 2008
Inorganic chemistry
Consider the half-reactions: Cu^2+(aq) +2e^- ==> Cu(s) E naught = +0.34V Sn^2+(aq) + 2e^- ==> Sn E naught = -0.14V Fe^2+ + 2e^- ==> Fe(s) E naught = -0.44V Al^3+(aq) = 3e^- ==> Al(s) E naught = -1.66V Mg^2+(aq) = 2e^- ==> Mg(s) E naught = -2.37V Which

asked by Steve on April 11, 2009
Physics
You have a solution that contains Ca2+ ions and another that contains Na+ ions. How would adding a solution that contains CO2-3 ions enable you to tell which is which?

asked by Channing on March 15, 2015
Physics
A mass spectrometer is used to examine the isotopes of uranium. Ions emerge from the velocity selector at a speed of 3.00 x 10^5 m/s and enter a uniform magnetic field of 0.600 T directed perpendicularly to the velocity of the ions. What is the distance

asked by John on March 13, 2013
science
3) Some ionic compounds contain a mixture of different charged cations. For example, some titanium oxides contain a mixture of and ions. Consider a certain oxide of titanium that is 28.31% oxygen by mass and contains a mixture of and ions. Determine the

asked by annuni on February 13, 2012
Chemistry
Calculate the number of milliliters of 0.782 M KOH required to precipitate all of the Mn2+ ions in 112 mL of 0.461 M Mn(NO3)2 solution as Mn(OH)2.

asked by Jessica on October 16, 2014
Chemistry
Are the ions of a metal very different from the atoms of a metal? Give some important differences in the properties you abserved.

asked by Mia on April 23, 2018
Chemistry 130
Can someone please help me and let me know if these questions and answers are correct? I just need a second opinion…and if there not correct can you help me…please?!? 1.(3). In the Arrhenius definition, an acid is a substance that a. turns litmus paper

asked by Jess on October 6, 2009
Chemistry
Sea water conducts electricity. Which statements give the best explanation for this a) Ions are able to move around in sea water b) Electrons can pass from ion to ion in the sea water c) The sea water contains more ions with positve charges than ions with

asked by peter on November 6, 2010

Chemistry
Write the balanced equations for the reactions: a) Reduction of Ag+ Ions with metal Fe. b) Oxidation of metal Mg with Cu2+ ion.

asked by Christine on October 18, 2016
physiology
when the pH of the extracellular fluid DECLINES the a) pH of the urine increases b) kidneys reabsorb less water c) kidneys excrete more sodium ions d) kidneys secrete more potassium ions e) kidneys excrete more bicarbonate ions study guide question thank

asked by pbear on December 11, 2006
Chemistry
Are Lewis acids and bases defined using dissociation, electron pairs, hydrogen ions, or hydroxide ions? Does a Lewis acid accept, produce, or donate hydrogen ions, or does it an electron pair acceptor?

asked by tori on March 31, 2010
College Chemistry
You have combined 1.218 moles of calcium ions and 0.943 moles of lithium ions in enough solvent to make 500.00mL of solution. What is the mole fraction of lithium ions in this solution? What type of problem is this and how do I set it up to solve?

asked by Jacob on June 5, 2017
Biology/Embryology
An ion pump: A. requires hydrolysis of ATP to move ions B. does not require energy to move ions C. exchanges ions with the same charge D. exchanges ions with opposite charge E. A and C An ion channel: A. requires hydrolysis of ATP to move ions B. does not

asked by Aletha on January 26, 2008
Chemistry
Which argument supports the claim that dissolving solid calcium chloride (CaCl2) in water is a chemical change? A. The ionic bond between the calcium ions and chloride ions is broken. B. The solid calcium chloride can be recovered by evaporating the water.

asked by Cortney on March 19, 2015
Chemistry
In regards to atomic emission spectroscopy: Explain why the intensity of the color gets brighter when the metal salt concentration is higher. Salt is any ionic compound that has positive ions(called cations) and their associated negative ions (called

asked by chrisalis on January 12, 2008
chemistry
what is the concentration of ions in 1.2 M aluminum nitrate solution Al(NO3)3 I count four ions )(one Al, three nitrate), so the conc of ions will be 4 times the concentration.

asked by Anonymous on April 22, 2007
chemistry
what is the oxidation half reaction, reduction half reaction, and the complete balanced reaction of the following? (a) Al(s) + MnO4‾(aq) → MnO2(s) + Al(OH)4‾(aq) (b) Cl2(g) → Cl ‾(aq) + ClO ‾(aq) (c) NO2‾(aq) + Al(s) → NH3(g) + AlO2‾(aq)

asked by Anonymous on October 28, 2010
Science
You have a solution that contains Ag* ions and another that contains Na* ions. How would adding a solution that contains Cl- ions to these solutions enable you to tell which is which?

asked by Sheryl on October 22, 2011

Chemistry
This has to do with the reactivity series for metals (K,Na,Ca,Mg,Al,Zn,Fe,Pb,Cu,Au,Ag) Which metal is most likely to undergo the conversion M(s)->M(n+)(aq)+ne- What type of reaction is this?-oxidation ? Which metal ion is most likely to undergo the

asked by Anonymous on March 5, 2008
Anatomy and Physiology

  1. Once the synaptic vesticles have fused with the membrane of the axon terminal acetylcholine _ and calcium ions the synaptic cleft. 2. Binding sites are exposed by the _ that brings about the release of. 3. Depolarization of the motor

asked by Chocho on May 13, 2010
Intro Chemistry
If a sample of BaSO3 is found to contain 1.73 · 1018 SO32- ions how many moles of Ba2+ ions are present? Express your answer in scientific notation. The following information is given: Molar Mass (g/mol) BaSO3 217.39 Ba2+ ion 137.33 SO32- ion 80.063

asked by echem on March 13, 2010
fountain of knowledge international academy
Calculates the mass concentration in g dm3 of the ions in the following solutions A, Cl- ions in 0•2mol dm3 of NaCl solution B,NO3 ions in 0•75 mol trioxonitrate (v) acid C,SO4^-2 ion in 2 mol dm3 potassium tetra ox soul phage ( VI) solutions

asked by Blessing on October 17, 2016
Chemistry Plz hurrry
What are charateristic of a ionic bond and a chemical bond? An ionic bond is a type of chemical bond that involves gain or loss of valence (outer shell) electrons in order to attain stability. That is not what I am looking for but thanks anyway An ionic

asked by Smooches on November 30, 2006
Chemistry
Which of the following increase the melting point of an ionic compound? decreased charge on the ions increased size of the ions increased charge on the ions decreased size of the ions increased amount of the compound

asked by Megan on April 28, 2010
Chemistry-confused
All alkalis produce hydroxide ions when dissolved in water. How do we write the chemical equation for aqueous ammonia? I see some textbooks write it as ammonia gas dissolving in water to form ammonium ions and hydroxide ions. NH3(g)+ H2O(l) ==> NH4+(aq) +

asked by janice on April 10, 2009
Chemistry
How does table salt (NaCl) dissolve in water? A. The oxygen atoms in water molecules attract sodium ions. B. Each sodium ion is surrounded by chloride ions. C. Each NaCl molecule is surrounded by water molecules. D. Water molecules hydrogen bond with

asked by Cortney on March 18, 2015
chemistry
This is a confusing one! How many faradays are required to convert a mole of NO2- ions to NH4+ ions? a. 4 b. 5 c. 6 d. 7 e. 8

asked by ill matic on June 12, 2010
Chemistry
Do positive ions or the negative ions cause the change in flame color ? Explain why and give on example.

asked by John on October 23, 2015

Chemistry
what are the concentrations of hydrogen ions and hydroxide ions in a solution that has a oh of 5? please include work done so I can understand

asked by Sara on May 25, 2011
science
when ionic compounds form, the ions come together in a way that balances out the charges on the ions. true or false?

asked by Taylor on November 17, 2008
CHEMISTRY
CALCULATE THE CONCENTRATION OF HYDROXONIUM IONS AND NITRITE IONS IN A SOLUTION IN WHICH HNO2 OF 4.5% IONISED

asked by ABENA on October 20, 2017
biology
how would hydrogen ions and hydroxide ions be attracted to intact water molecules

asked by haunnah on November 30, 2010
chemistry
a solution is known to contain Cl, NO3, NO2, and SO4 ions. which of these ions can be positively identified?

asked by Frank on November 8, 2015

About eduhawks

Check Also

Company visit and reflection

Company visit and reflection JPSHealth CompanyInformation             The JPS is a health Company. The company …