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which of the following compounds is an unsaturated hydrocarbon

  1. Which of the following compounds is an unsaturated hydrocarbon? methane *propyne nonane methyl 2. The general name for hydrocarbons with at least one triple covalent bond is __. alkenes alkyls alkanes *alkynes 3. What is the name of the
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    Chemistry
  2. Which of the following compounds is an unsaturated hydrocarbon? methane *propyne nonane methyl 2. The general name for hydrocarbons with at least one triple covalent bond is __. alkenes alkyls alkanes *alkynes 3. What is the name of the smallest

asked by Cassie on April 11, 2013
Chemistry: Please check answers

  1. Which of the following compounds is an unsaturated hydrocarbon? methane *propyne nonane methyl 2. The general name for hydrocarbons with at least one triple covalent bond is __. alkenes alkyls alkanes *alkynes 3. What is the name of the smallest

asked by Cassie on April 11, 2013
Chemistry
A hydrocarbon consists of a benzene ring and two methyl groups. The methyl groups are located at opposite carbons and the molecule is perfectly symmetrical. Which option correctly describes the numbers of the carbon atoms the methyl groups are bonded to?

asked by Summer on April 9, 2018
chemistry
can someone tell me how to draw the condensed structure for 4-ethyl-3,3,4-trimethyloctane and 2-methyl-5-(2-methylpropyl)nonane

asked by jessie on February 14, 2011
Chemistry
What is an unsaturated hydrocarbon?

asked by Peter on May 10, 2011

Chemistry

  1. Ethanol and methyl ether have the same elements in same proportions. What is the difference between these two compounds? My guess: Ethanol has a hydroxyl group which is different from methyl ether as methyl ether contains an oxygen atom bonded to two

asked by anonymous on May 9, 2009
Chem
Which formula represents an unsaturated hydrocarbon? a. C3H6 b. C3H8 Is the answer B? Thanks! 🙂

asked by Skye on January 6, 2013
Chemistry
Why use Methyl tert-butyl ether in the organic chemistry lab when separating compounds? separating WHAT compounds and how? as a solvent? It has a low boiling point and isn’t very reactive, generally, but there may be other specific reasons depending upon

asked by Ba on November 21, 2006
Chemistry
Write the class/family of the following compounds and the functional group in each compound. a. 3-methylcyclohexene b. Cis-3-octene c. 4-methyl-2-heptanone d. 3-bromobenzaldehyde e. 3-bromo-5-chlorotoluene f. 3-chlorophenol g. 6-methyl-2-heptyne Please

asked by Christina on April 22, 2014
chemistry
ionic componuds tend to have higher boiling points than covalent compounds . both ammonia NH3 and methane CH4 are covalent compounds but yet the boiling point of ammonia 130C is higher than methane. what might account for this difference please help thank

asked by teri on April 1, 2009
science(chem)
Solubility: Solubility of compounds in a)water (highly polar) b)methyl alchohol (intermediate polarity) c)Hexane (nonpolar) My guess 1. Benzophenone a) not soluble b) partially soluble c) soluble 2. Malonic acid a) soluble (since it’s polar) b) soluble c)

asked by ~christina~ on September 3, 2007
Chemistry
Nonane has a density of 0.79 g/mL. and boils at 151 Celcius. a. What is the condensed structural formula of nonane b. Is it a solid, liquid, or gas at room temperature c. Is it soluable in water d. Will it float on water or sink

asked by Elisabeth on July 20, 2010
Organic Chemistry
Ooops sorry! Please rank the following compounds in DECREASING order of their reactivity toward the SN2 reaction with sodium ethoxide in ethanol. a. methyl chloride b. isopropylbromide c. t-butyliodide d. methyl iodide e. ethyl chloride I have an answer,

asked by Please help on October 25, 2010
chemistry
Which of the compounds below exhibit geometric isomerism (cis-, trans-)? 1-chloro-1-pentene 1-heptene 1,2-dimethylcyclopentene 2-methyl-3-hexene 2-methyl-2-butene 1-methylcyclopentane 1,2-dimethylcyclohexane here’s what i got: 1-chloro-1-pentene – yes

asked by lie on April 20, 2008
chemistry
Name the compound (CH3)2CHCCCH3 1. 2-methyl-3-pentyne 2. 3-methyl-1-pentyne 3. 5-methyl-2-pentyne 4. 4-methyl-2-pentyne 5. 3-methyl-2-hexane 6. 4-methyl-2-pentene Can you also explain how to draw the structure? Thanks:)

asked by Anonymous on November 30, 2011

Organic Chemistry-pls check
Which is the major product from acid catalyzed hydration (addition of water) of 2-methyl-2-pentene? a) 2-methyl-2-pentanol b) 2-methyl-1-pentanol c) 2-methyl-3-pentanol d) 3-methyl-3-pentanol answer: “c”: 2-methyl-3-pentanol ???

asked by K on February 24, 2008
Chemistry

  1. A 100.00g sample of the gaseous hydrocarbon ethane is a gaseous hydrocarbon, with 79.89g of carbon and 20.11g of hydrogen. Ethylene is a different gas phase hydrocarbon. A 100.00g sample of ethylene has 85.63g of carbon with 14.37 of hydrogen. A sample

asked by Alissa L on August 28, 2016
Chemistry
A 100.00g sample of the gaseous hydrocarbon ethane is a gaseous hydrocarbon, with 79.89g of carbon and 20.11g of hydrogen. Ethylene is a different gas phase hydrocarbon. A 100.00g sample of ethylene has 85.63g of carbon with 14.37 of hydrogen. A sample of

asked by Alissa L on August 29, 2016
Organic Chemistry
I’m a beginner in the subject. It’s a category that is overviewed in my AP Chem class. I need some help understanding the following: dimethyl-n-butylmethane diethylmethylmethane diethyldimethylmethane trimethylisobutylmethane diethylisopropylmethane

asked by Angela on September 9, 2008
Chemistry
Please rank the following compounds in DECREASING order of their reactivity toward the SN2 reaction with sodium ethoxide in ethanol. a. methyl chloride (CH3Cl) b. isopropylbromide ((CH3)2CHBr) c. t-butyliodide (CH3)3Cl) d. methyl iodide (CH3I) e. ethyl

asked by Please help on October 25, 2010
Chemistry
A liquid hydrocarbon (Cx Hy) is found to be 16.37% H by mass. A 1.158-g vaporized sample of the hydrocarbon has a 358 mL volume at 71.0 C and 749 mmHg. what is the molecular formula for this hydrocarbon?

asked by Katrina on June 21, 2011
chemistry
If you burn methane(CH4)and methyl alcohol(CH3OH)which gives off more heat

asked by luly on February 19, 2008
Chemistry
a hydrocarbon is burnt completely in excess oxygen. it is found that 1.00g of the hydrocarbon gives 2.93g carbon dioxide and 1.80g water. find the empirical formula of the hydrocarbon (H=1,C=12,O=16)

asked by Henry on May 10, 2018
Chemistry
‘Describe the difference in intermolecular forces between 2-methyl-3-hexanone and 5-methyl-3-hexanol and how this affects the properties of the substances.’ I’m looking at the molecles on Chemspider, and I want to say that because 5-methyl-3-hexanol has a

asked by SarahF275 on March 6, 2018
Organic Chemistry
2-methyl-2hexanol is reacted with sulfuric acid at around 800C. The two products formed are 2-methyl-1-hexene (19%) and 2-methyl-2-hexene (81%). Show the chemical equation for this reaction. Explain fully why 2-methyl-2-hexene is the major product. Please

asked by Deon on October 14, 2010

Chem
Complete combustion of 8.30 g of a hydrocarbon produced 26.7 g of CO2 and 9.10 g of H2O. What is the empirical formula for the hydrocarbon? My Work: First I tried to find the Amount of C and H in the product… Which I got 1 Mole of Carbon and 2 moles of

asked by Dan on October 21, 2015
chemistry
complete combustion of a 0.0100mol sample of hydrocarbon, CxHy, gives 1.344 L of CO2 at STP and 0.720 g of H2O. a. what is the molecular formula of hydrocarbon? b. what is the empirical formula of hydrocarbon?..

asked by SHY on November 28, 2011
Chemistry
Choose an alkane that is 6 to 10 carbon atoms in length. List the alkane’s name and the other isomers you can properly draw and name. For example: Decane / isomer 2 methyl-Nonane. Do not guess. Draw out on paper then name for best results. Include the

asked by Anonymous on May 27, 2016
chemistry
a hydrocarbon was burnt completely and the products were bubbled into excess of Ca(OH)2 solution. The resulting mixture was filtered, and the residue dried and weighed. The mass of the hydrocarbon was found to be 10.00g. In a separate experiment, the same

asked by kandace on June 19, 2016
Chem!
Compound Odor Boiling Point, °C Flammability Ammonia Yes -33.3 Yes Methyl vinyl ether Slight 12.0 Yes Methyl chloride Yes -33.9 Yes Sulfur dioxide Yes -10.0 No Ethynyl bromide Yes 4.7 Yes Freon 134a No -26.1 No Carbon dioxide No -28.9 No Good refrigerants

asked by Haley on February 8, 2017
Chemistry
Clathrate hydrate research is done by Professor Ken Janda here at UC Irvine. Look up clathrate hydrate with a general search of the internet and at Professor Janda’s Research. Look at text and structures posted on the Gas Hydrate Home and the Clathrate

asked by CHEMBOB on May 2, 2011
Chem
Calculate the work (in kJ) when 1.80 moles of methane react with excess oxygen at 389 K: CH4(g) + 2O2(g) → CO2(g) + 2H2O(l) I got 11661.26 Calculate the change in entropy (in J/K) when 70.1 g of nitrogen gas is heated at a constant pressure of 1.50 atm

asked by Anonymous on March 27, 2013
chemistry
thanks for helping me with the list. By checking the product’s labels I’m finding many of the substances the problem now is that i found a product with hydrocarbon in it but I do not know how to figure out if its molecular mass is greater than 100g/mol

asked by desperate on February 4, 2007
Chemisty
Hydrocarbons are important fuel that we burn for many different reasons. a. what is a hydrocarbon? b. rank these hydrocarbons by the number of carbons the contain: propane, methane, butane, octane, ethane.

asked by Jaclyn on March 11, 2014
biology
Olive oil is an unsaturated fat. Does the Sudan Red Test differentiate between saturated and unsaturated fats?

asked by loveag on July 8, 2013

organic chemistry

  1. Predict the order of elution of a mixture of triphenylmethanol, biphenyl, benzoic acid, and methyl benzoate from an alumina column. You may need to examine the structural elements in each compound. 2. Once the chromatography column has been prepared,

asked by DONT UNDERSTAND!! on September 20, 2015
Chemisty!
a flask with a volume of 267.5 mL contains a few milliliters of a volatile hydrocarbon. after vaporizing the gas at 100 degrees C, the flask is weighed and found to contain 0.728 grams of hydrocarbon vapor at 755 mmHg. a separate combustion analysis

asked by Rachel on March 14, 2011
chemistry
a flask with a volume of 267.5 mL contains a few milliliters of a volatile hydrocarbon. after vaporizing the gas at 100 degrees C, the flask is weighed and found to contain 0.728 grams of hydrocarbon vapor at 755 mmHg. a separate combustion analysis

asked by Rachel on March 14, 2011
chemistry
Which solvent will dissolve more in given solute: 1. Ethylene glycol (HOCH2CH2OH) in hexane(C6H14) or H2O 2. Diethyl ether (CH2CH2OCH2CH3) in H2O or CH3OH? 3. NaCl in CH3OH or CH3CH2CH2CH2OH I know that like dissolves like. Therefore the molecules with the

asked by Gabriela on April 26, 2007
ap chem
an unknown gaseous hydrocarbon reacts with oxygen to form CO2 and H2O, DETERMINE HEAT OF FORMATION FOR THE HYDROCARBON. the density of the mixture of CO2 and H2O at 1 atm and 200 degree celsius is 0.751g /L and heat of reaction is equal to -2044.5 KJ /MOL

asked by Rita on October 11, 2014
Science Chemistry
The elementary analysis of 22 g hydrocarbon sample results in 18 g C and 4 g H. a) Choose the correct chemical formula of the hydrocarbon: i) CH4 ii) C2H4 iii) C3H8 b) What is the amount of CO2 in grams formed by the total combustion of hydrocarbon? Assume

asked by karem on December 22, 2016
Science

  1. ALTERNATIVE B The elementary analysis of 22 g hydrocarbon sample results in 18 g C and 4 g H. a) Choose the correct chemical formula of the hydrocarbon: i) CH4 ii) C2H4 iii) C3H8 b) What is the amount of CO2 in grams formed by the total combustion of

asked by karem on December 21, 2016
chemistry
in an experiment a sample of hydrocarbon was analyzed. The sample contained6 g of carbon and 1.344 g Hydrogen. a) whats the empirical formula? the density of hydrocarbon at 25 C and 1.09 atm is 1.96 g/L b.) whats the molar mass of the hydrocarbon? c) whats

asked by hilde on March 10, 2010
Ochem
Give the products (if any) expected from the treatment of the following compounds with ozone followed by aqueous hydrogen peroxide. Do not include any byproducts. 1) 2-methyl-2-pentene 2) cyclooctene Please help! I’m not sure on where to start with this

asked by Lucy on February 8, 2012
Chemistry II
what is the complete & balanced equation for the following reactions & include the catalysts if any: 1. Combustion of Methane: 2. Halogenation of Cyclopentene with Br2 4. Hydrogenation of 3-methyl-1-butyne 5. Combustion of 2-methylpropene 6.

asked by Jessie on February 4, 2014

chemistry
What is a special group of compounds that produce H+ ions when dissolved in water? A. Acids B. Ionic compounds C. Molecular compounds D. Polyatomic compounds I think A

asked by Keri on November 10, 2012
chemistry
Complete combustion of 4.20 g of a hydrocarbon produced 13.4 g of CO2 and 4.81 g of H2O. What is the empirical formula for the hydrocarbon?

asked by Alex on February 13, 2017
Chemistry
Complete combustion of 7.00 g of a hydrocarbon produced 21.4 g of CO2 and 10.2 g of H2O. What is the empirical formula for the hydrocarbon?

asked by Stephanie on June 6, 2012
chemistry
Complete combustion of 4.80 g of a hydrocarbon produced 15.6 g of CO2 and 4.80 g of H2O. What is the empirical formula for the hydrocarbon?

asked by college chem on September 19, 2013
chemistry
Complete combustion of 8.80 g of a hydrocarbon produced 27.1 g of CO2 and 12.5 g of H2O. What is the empirical formula for the hydrocarbon?

asked by Anonymous on October 11, 2013
alkanes!
What is meant when we say that alkanes are saturated? Carbon has four bonds. When all the bonds are occupied with hydrogen atoms(no double or triple bonds), the molecule is said to be saturated. CH4 is saturataed. CH3CH3 or C2H6 is saturated. There is a

asked by AL J on June 12, 2006
Chemistry
Complete combustion of 8.00 g of hydrocarbon produced 26.0g of CO2 and 7.99g of H2O. What is the empirical formula for the hydrocarbon?

asked by Jerry on September 18, 2011
Chemistry
1C2H6+2O2 yields 3H2O + 2CO2 would this be the hydrocarbon butene? If I did this wrong, how would you correctly identify this hydrocarbon? Thanks for your help.

asked by Tabetha on May 19, 2009
chemistry
Consider the following five compounds. a. CH3CH2CH2CH2CH3 b. OH ‘ CH3CH2CH2CH2 c. CH3CH2CH2CH2CH2CH3 d. O ” CH3CH2CH2CH3 e. CH3 ‘ CH3CCH3 ‘ CH3 The boiling points of these five compounds are 9.5 C, 36 C, 69 C, 76 C, and 117 C. Which compound boils at 36

asked by cathleen on January 5, 2007
chemistry
Rank the following compounds in order of decreasing boiling point: sodium fluoride ( \rm NaF ), methane ( \rm CH_4 ), fluoromethane ( \rm CH_3F )

asked by nurul on August 21, 2011

Chemistry
Hydrocarbon burn in excess oxygen yields 4.4g of carbon(iv)oxide and 2 of 7g of water. Find the empirical formula of hydrocarbon

asked by Prudent on November 16, 2015
Treacher girls scholl
A hydrocarbon is burnt completely in air to form 13.2g of carbon dioxide gas and 7.2g of water. What is the molecular formula of the hydrocarbon?

asked by Esh on March 28, 2011
Chemistry
When you’re naming organic compounds, is there more than one name that’s acceptable for each compound? For example Ch3-CH2-CH2 CH3 1 1 CH3-CH-CH-CH 1 1 CH3-CH2 CH3 Hopefully this appeared alright once I typed it. The ones represent bonds. In the answer

asked by Rori on May 20, 2009
Dr. Bob
a gaseous hydrocarbon reacts completely with oxygen gas to form carbon dioxide and water vapor. given the following data, determine (delta)HoF for hydrocarbon: (delta)Horxn=-2044.5kj/mol hydrocarbon (delta)HoF CO2= -393.5kj/mol (delta)HoF H2O = -242kj/mol

asked by Kim on April 21, 2008
kim
a gaseous hydrocarbon reacts completely with oxygen gas to form carbon dioxide and water vapor. given the following data, determine (delta)HoF for hydrocarbon: (delta)Horxn=-2044.5kj/mol hydrocarbon (delta)HoF CO2= -393.5kj/mol (delta)HoF H2O = -242kj/mol

asked by chemistry on April 20, 2008
chemistry
combustion analysis of a hydrocarbon produced: 33.01 g CO2 and 13.51 g H2O Calculate the empirical formula of the Hydrocarbon. I got CH5 but that doesn’t seem right? how do i do this problem?

asked by ALISON on September 11, 2011
CHEM
What is the major product from an elimination reaction starting with 2-bromo-1-methylcyclohexane? would it be: a) 1-methyl-1-cyclohexene b) a cyclohexane/ene with a double bond off of one C – basically the cyclohexane shape with =CH2 off of it (I don’t

asked by k on March 12, 2008
Organic Chemistry
“Cabbage leaves are coated with a hydrocarbon of molecular formula C29H60. What purpose might this hydrocarbon coating serve?” This is a question from a textbook. Anything helps!!

asked by ryancon on February 14, 2019
chemistry
an unknown alcohol reacts with sodium salt but further tests show the compound to be an aliphatic hydrocarbon. what structural unit is probably present in the hydrocarbon?

asked by jen on March 24, 2018
chem 1411
A combustion analysis of a 0.00134g sample (CxHy) of a hydrocarbon yields 0.00375g of CO2 and 0.00164g of H2O. What is the empirical formula of the hydrocarbon?

asked by JACI WINLOW on October 18, 2016

chemistry
an unknown alcohol reacts with sodium salt but further tests show the compound to be an aliphatic hydrocarbon. what structural unit is probably present in the hydrocarbon?

asked by jen on March 31, 2018
Chemistry
Methyl linoleate is one of the common components of biodiesel. As an alternative fuel, Methyl linoleate reacts completely with oxygen (O2) to make carbon dioxide and water. Balance the chemical equation. How many kilograms of oxygen are required to react

asked by Shell on May 19, 2011
chemistry
Outline the following synthesis: a) 2 – methyl propene -> 2-methyl-2-propanol. b) 3 –ethylpentene -> carbon dioxide, water and 2-ethylbutanoic acid. c) 2 methyl-2-pentene -> 2-chloro-2-methylpetane and 3-chloro-2-methylpentane d) 1-ethylcyclohexene ->

asked by aiman on August 15, 2015
science
Methane is a natural gas, petrol is a liquid and wax is a solid. So explain the difference in phases or states of the molecules/compounds by reffering to the IMF

asked by Anonymous on February 27, 2011
Chemistry
10cm^3 of aa hydrocarbon was completely combusted in 200cm^3 of O2. It was found that there was 20cm^3 of O2 remaining and the volume of CO2 produced was 120cm^3. Determine the formula of the hydrocarbon.

asked by Nadya on May 5, 2013
Chemistry
10cm^3 of aa hydrocarbon was completely combusted in 200cm^3 of O2. It was found that there was 20cm^3 of O2 remaining and the volume of CO2 produced was 120cm^3. Determine the formula of the hydrocarbon.

asked by Nadya on May 5, 2013
Chemistry
Methane is formed in landfills by the action of certain bacteria on buried organic matter. If a sample of methane collected from a landfill has a volume of 500. mL at 744. torr and 22. °C, how many grams of methane are in the sample?

asked by Marisa on November 22, 2010
chemistry
Methane is formed in landfills by the action of certain bacteria on buried organic matter. If a sample of methane collected from a landfill has a volume of 100. mL at 754 torr and 21.2 °C, how many grams of methane are in the sample?

asked by Anonymous on November 5, 2013
Chemistry
Methane is formed in landfills by the action of certain bacteria on buried organic matter. If a sample of methane collected from a landfill has a volume of 200. mL at 741 torr and 27.2 °C, how many grams of methane are in the sample?

asked by Luke on July 8, 2014
Chemistry
As I read it, the question provides you with a word description of the production of diesel fuel, gasoline, lighter gases such as ethane and propane, as well as some of the refinery operations such as cracking. Your job is to take this word description and

asked by DrBob222 on April 30, 2007

chemistry
Consider a sample of a hydrocarbon (a compound consisting of only carbon and hydrogen) at 0.959 atm and 298 K. Upon combusting the entire sample in oxygen, you collect a mixture of gaseous carbon dioxide and water vapor at 0.755 atm and 375 K. This mixture

asked by Jaxx on February 27, 2015
Chemistry HELP
Complete combustion of 3.30 g of a hydrocarbon produced 10.2 g of CO2 and 4.68 g of H2O. What is the empirical formula for the hydrocarbon? I did the calculation and the ratio comes out to C: 1 H: 2.24 So I thought the answer is CH2 but apparently its

asked by Alz on February 9, 2014
chemistry
a 47.7L sample of a gaseous hydrocarbon, measured at 1.00atm and 25degreesC is burned in excess oxygen, liberating 4.33X10^3 kJ of heat at a constant pressure. what is the identity of the hydrocarbon?

asked by Ellie on June 21, 2010
chemistry
Compare the three types of bonds based on valence electrons. Explain why S-H bond lengths are longer than O-H bond lengths. Which element has a greater bond energy, oxygen or nitrogen and why. Determine if the following compounds are likely to have ionic

asked by mido on December 13, 2010
chemistry
In a methane fuel cell, the chemical energy of the methane is converted into electrical energy instead of heat that would flow during the combustion of methane. Using the half-reactions and reduction potentials given below a) Write a net equation for the

asked by Vt on August 3, 2011
chemistry
In a methane fuel cell, the chemical energy of the methane is converted into electrical energy instead of heat that would flow during the combustion of methane. Using the half-reactions and reduction potentials given below a) Write a net equation for the

asked by Vt on August 3, 2011
Chemistry – Liquid Methane?
“The planets Uranus and Neptune are so far from the Sun that temperatures are low enough for atmospheric methane, CH4, to condense and form clouds. How is it possible for methane, a nonpolar substance, to exist in this liquid state?” I want to say it’s

asked by Sarah on December 12, 2017
Chemistry
Using the technique of the previous problem ΔE was found to be -2,000.00 kJ/mol of an unknown liquid hydrocarbon at 298 K. In another experiment it was determined that for each mole of hydrocarbon, 4 moles of oxygen gas are consumed and 6 moles of CO2 gas

asked by John Handra on March 31, 2015
Chemistry
Complete combustion of 7.70 g of a hydrocarbon produced 23.7 g of CO2 and 10.9 of H2O. What is the empirical formula of the hydrocarbon? I first calculated the moles of both the carbon dioxide and the water, but I have no idea where to go from there. Any

asked by Student on January 27, 2011
gr. 12 chem
what is nonane and decane used for and why is this appropriate for each use?

asked by shelly on February 23, 2010

Science/chemistry
Could you please check these answers I don’t understand #4 could you give me a link or you can try to help me. Thanks: 1. Identify what all organic compounds have in common, and list the four principal classes of organic compounds. Answer: Cabohydrates,

asked by Gabby on February 15, 2009
Physics
Suppose a distant world with surface gravity of 7.12 m/s2 has an atmospheric pressure of 7.48 104 Pa at the surface. (a) What force is exerted by the atmosphere on a disk-shaped region 2.00 m in radius at the surface of a methane ocean?________N (b) What

asked by Amelia on November 7, 2012
PHYSICS PLEASE HELP
Suppose a distant world with surface gravity of 7.12 m/s2 has an atmospheric pressure of 7.48 104 Pa at the surface. (a) What force is exerted by the atmosphere on a disk-shaped region 2.00 m in radius at the surface of a methane ocean?____________N (b)

asked by AMY on November 8, 2012
chemistry
A sample of methane gas, CH4, was collected over water at 25.0ºC and 800 torr. The volume of the wet gas is 4.36 L. What will be the volume of the dry methane at standard pressure? Voldry methane=_______L

asked by Anonymous on April 10, 2011
chemistry
A ten gallon methane tank contains 1.243 mol of methane at 74°F. Express the volume of tank in liters, the amount of methane in the tank in grams, and the tempature of the tank in kelvin.

asked by Kalyn on February 10, 2011
dijla
if you change the indicator of standardization Hcl with Na2co3 methyl red methyl orange titration corset not why?

asked by yasser on December 5, 2012
Organic Chemistry
How do I draw the condensed formula for: 1. 2-methyl-2-pentene 2. 5-methyl-1-hexene 3. 2,2,4,5-tetramethylhexane 4. propanoic acid 5. 2-pentyne

asked by Cinnamon on September 30, 2007
Chemistry
What volume of “wet” methane would have to be collected at 20.0 oC and 760.0 torr to be sure the sample contained 2.00 x 102 ml of dry methane at the same temperature and pressure ? My Work: All I have so far is that I use P1V1=P2V2 but I don’t know

asked by Joe on September 7, 2015
chemistry 12
If the pH of a solution is 3.5, what colour will be shown by each of the following indicators in the solution? a)Methyl Violet b) methyl red c) Methyl orange d) phenolphthalein My answers: a) Yellow to Blue b) Red to Yellow c) Red to Yellow d) close to a

asked by Sarah on October 13, 2011
chemistry
Combustion analysis of a hydrocarbon produced 33.01 g {\rm CO}_2 and 27.04 g {\rm H}_2{\rm O}. Calculate the empirical formula of the hydrocarbon. Express your answer as a chemical formula.

asked by david on March 17, 2014

Environmental Issues
My science teacher says that cattle flatulence is destroying the ozone layer. If this is true, what can we do to regulate the flatulence output of cattle in order to preserve the ozone? http://www.guardian.co.uk/climatechange/story/0,12374,905360,00.html

asked by Joey on May 10, 2007
chemistry
Calculate the volume of natural gas (methane) required to bring 2.6 L of water to a boil. Assume the initial temperature of the water is 21 C, and the methane is at 1 bar and 25 C. Assume that methane is an ideal gas, the specific heat capacity of water to

asked by Katie on December 4, 2011
Chemistry
Calculate the volume of natural gas (methane) required to bring 3.9 L of water to a boil. Assume the initial temperature of the water is 39 C, and the methane is at 1 bar and 25 C. Assume that methane is an ideal gas, the specific heat capacity of water to

asked by LaurenB on December 2, 2011
chemistry
what are some examples of covalent bonds and what are some examples of ionic bonds? Electrons are shared in covalent bonds. Electrons are exchanged in ionic bonds. Typical ionic compounds are NaCl, MgCl2, LiI, etc. Typical covalent compounds are CH4,

asked by Leeann on January 29, 2007
AP Chemistry
a 5.15g sample of a hydrocarbon is burned in oxygen, producing 15.6g of carbon dioxide and 8.45g of water. Assuming an excess of oxygen, what is the empirical formula of the hydrocarbon?

asked by Ariday on September 13, 2011

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