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July 28, 2016

Search: methane

Number of results: 568

Chemistry
Gaseous methane (CH4) reacts with gaseous oxygen gas (O2) to produce gaseous carbon dioxide (CO2) and gaseous water (H2o) . What is the theoretical yield of carbon dioxide formed from the reaction of 0.16g of methane and 0.83g of oxygen gas?
December 6, 2014 by Amy

Algebra 1
A restaurant has one type of lemonade that has 12% sugar and another that is 7% sugar. How many gallons of each does the restaurant need to make 20 gallons of a lemonade mixture that is 10% sugar? a. 12 gallons of the 12% lemonade and 8 gallons of the 7% lemonade. b.10 gallons...
January 5, 2016 by rachel.

Please help me!!! Chemistry
Multiple choice When methane is burned with oxygen, the products are carbon dioxide and water. If you produce 18 grams of water from 8 grams of methane and 32 grams of oxygen, how many grams of carbon dioxide were produced in the reaction? a)40 b)22 c)58 D)18
December 6, 2011 by Anonymous

Chemistry
Could you help me with this question: A molecule of chloroform, CHCl3, has the same shape as a molecule of methane CH4. However, methane's boiling point is -164 degrees celcius ans chloroform's boiling point is 62 degrees celcius. Explain the difference between the two boiling...
March 2, 2009 by Sabrina

chemistry
Now "react" methane (CH4) with oxygen (O2) to produce carbon dioxide (CO2) and water (H2O). Start with one molecule of methane and one molecule of oxygen. Continue reacting molecules of CH4 and O2 until all the reactant atoms have been used to form products. Summarize what ...
August 1, 2008 by kayla

chemistry
the reaction of methane and water is one way to prepare hydrogen for use as a fuel: methanw react with water to from carbonmonoxide and hydrogen if you begin with 995g of methane and 2510g of water, 1.which reactant is the limiting reactant? 2.what is the maximum mass of ...
February 13, 2016 by dennis

chemistry
Three gases (8.00 g of methane, CH4, 18.0 g of ethane, C2H6, and an unknown amount of propane, C3H8) were added to the same 10.0-L container. At 23.0 ∘C, the total pressure in the container is 4.50atm . Calculate the partial pressure of each gas in the container. Express...
May 1, 2015 by liz

Chemistry
Methane gas (carbon tetrahydride) reacts with oxygen by combustion: CH4 + 2O2 -> CO2 + 2H2O a.)How many moles of methane are needed to produce 3.5*10-4 moles of carbon dioxide? b.)How many moles of oxygen are needed to react form the 3.5*10-4 moles of carbon dioxide? c.)How...
November 3, 2013 by Kelsi

Chem
Write the two balanced equations, one for the incomplete combustion of methane (to form carbon monoxide and water vapor), and another one for the complete combustion of methane (forming carbon dioxide and whatever vapor). What are the conditions, at which do you think the ...
July 21, 2016 by Valentina

Chemistry
A mixture of ethyne ( C2H2 ) and methane ( CH4 ) occupied a certain volume at a total pressure of 16.8 kPa. Upon burning the sample to form CO2 and H2O, the CO2 was collected and its pressure found to be 25.6 kPa in the same volume and at the same temperature as the original ...
November 16, 2008 by Fred

Please help me!!!!
2. Methane (CH4), ammonia (NH3), and oxygen (O2) can react to form hydrogen cyanide (HCN) and water according to this equation: CH4 + NH3 + O2  HCN + H2O You have 8 g of methane and 10 g of ammonia in excess oxygen. Answer the following questions: What is the ...
December 19, 2012 by Taylor

Chem Help please!!!!!
2. Methane (CH4), ammonia (NH3), and oxygen (O2) can react to form hydrogen cyanide (HCN) and water according to this equation: CH4 + NH3 + O2  HCN + H2O You have 8 g of methane and 10 g of ammonia in excess oxygen. Answer the following questions: What is the ...
December 19, 2012 by Taylor

Chem- REALLY URGENT!!!
2. Methane (CH4), ammonia (NH3), and oxygen (O2) can react to form hydrogen cyanide (HCN) and water according to this equation: CH4 + NH3 + O2  HCN + H2O You have 8 g of methane and 10 g of ammonia in excess oxygen. Answer the following questions: What is the ...
December 19, 2012 by Taylor

Chemistry ASAP
3. Methane (CH4), ammonia (NH3), and oxygen (O2) can react to form hydrogen cyanide (HCN) and water according to this equation: CH4 + NH3 + O2  HCN + H2O You have 8 g of methane and 10 g of ammonia in excess oxygen. Answer the following questions: What is the ...
January 18, 2013 by Moe

ap chem repost
a 2L container is charged with 2atm of O2 at 298 Kelvin. Ch4(g) + 2O2(g) --> CO2(g) + 2H20(g) calculate the partial pressure of methane needed to react completely with the O2 in the vessel. What is the total pressure after the reaction is complete if the temperature ...
April 12, 2009 by sarah

chem repost
a 2L container is charged with 2atm of O2 at 298 Kelvin. Ch4(g) + 2O2(g) --> CO2(g) + 2H20(g) calculate the partial pressure of methane needed to react completely with the O2 in the vessel. What is the total pressure after the reaction is complete if the temperature ...
April 12, 2009 by sarah

Adv AP Honors Chemistry
2. Methane (CH4), ammonia (NH3), and oxygen (O2) can react to form hydrogen cyanide (HCN) and water according to this equation: CH4 + NH3 + O2  HCN + H2O You have 8 g of methane and 10 g of ammonia in excess oxygen. Answer the following questions: What is the ...
December 19, 2012 by Taylor

chemistry
Whenever organic matter is decomposed under oxygen free conditions, methane is one of the products. Thus enormous deposits of natural gas, which is almost entirely methane, serve as a major source of fuel for home and industry (dHrxn for the combustion of CH4 = -802 kJ/mol.) ...
October 23, 2015 by patrick

Chemistry
I got 0.907 KJ for ΔHcomb but I don't know if its correct. I also don't know how to write the equation. -------- question: A calorimeter is filled with 10.0 mole of methane gas and an excess of oxygen. When burned, the ignition wire releases 107.2 J of heat. The heat ...
July 16, 2014 by Liz

Chemistry
A mixture of ethyne gas (C2H2) and methane gas (CH4) occupied a certain volume at a total pressure of 16.8 kPa. When the sample burned, the products were CO2 gas and H2O vapor. The CO2 was collected and its pressure found to be 25.2 kPa in the same volume and same temperature ...
March 21, 2011 by Kim

Chemistry
a). What mass of carbon dioxide is produced from the complete combustion of 2.3010−3g of methane? b)What mass of carbon dioxide is produced from the complete combustion of 2.3010−3 g of methane? Can someone step me through this?
September 21, 2010 by Holly J

Thermochemistry
My question is more conceptual. It is expressed in a series of two problems: What energy change occurs when 1.2 moles of methane combust with an enthalpppy change of -434 KJ? CH4+2O2 TO CO2+2H20 I understand it is simply the moles of mthane times the enthalpy change yet I am ...
March 19, 2013 by Sean

CHEMISTRY
Hydrogen cyanide, HCN, can be made by a two-step process. First, ammonia is reacted with O2 to give nitric oxide, NO. 4 NH3(g) + 5 O2(g) → 4 NO(g) + 6 H2O(g) Then nitric oxide is reacted with methane, CH4. 2 NO(g) + 2 CH4(g) → 2 HCN(g) + 2 H2O(g) + H2(g) When 28.6 ...
September 27, 2009 by DAWN

chemistry
Hydrogen cyanide, HCN, can be made by a two-step process. First, ammonia is reacted with O2 to give nitric oxide, NO. 4 NH3(g) + 5 O2(g) → 4 NO(g) + 6 H2O(g) Then nitric oxide is reacted with methane, CH4. 2 NO(g) + 2 CH4(g) → 2 HCN(g) + 2 H2O(g) + H2(g) When 25.6 ...
September 25, 2010 by caroline

chemistry
Hydrogen cyanide, HCN, can be made by a two-step process. First, ammonia is reacted with O2 to give nitric oxide, NO. 4 NH3(g) + 5 O2(g) → 4 NO(g) + 6 H2O(g) Then nitric oxide is reacted with methane, CH4. 2 NO(g) + 2 CH4(g) → 2 HCN(g) + 2 H2O(g) + H2(g) When 25.6 ...
September 26, 2010 by caroline

chemistry
Hydrogen gas (a potential future fuel) can be formed by the reaction of methane with water according to the following equation: CH4(g)+H2O(g) = CO(g) + 3H2(g) In a particular reaction, 26.5 L of methane gas (measured at a pressure of 736 torr and a temperature of 25 C ) is ...
October 13, 2008 by Lili

Chemistry
I am to use this formula to find ΔHf,methane: ΔHcomb=2ΔHf,water+ΔHf, carbon dioxide-ΔHf,methane-2ΔHf,oxygen For ΔHcomb, the value is 884 KJ/mol For ΔHf,water, the value is -285.8 For ΔHf,carbon dioxide, the value is -393.5 ...
July 20, 2014 by Liz

Chemistry (Check)
Classify each of these statements as always true, sometimes true, or never true. 7____AT____It is necessary to know the formula of a compound in order to calculate its percent composition. 8___ST_____If the percent by mass of carbon in methane, CH4, is 75%, then 100 grams of ...
February 11, 2007 by Bryan

Chemistry
The reform reaction between steam and gaseous methane () produces "synthesis gas," a mixture of carbon monoxide gas and dihydrogen gas. Synthesis gas is one of the most widely used industrial chemicals, and is the major industrial source of hydrogen. Suppose a chemical ...
April 15, 2011 by BlahxD

Chemistry
Combustion of natural gas (primarily methane) occurs in most household heaters. The heat given off in this reaction is used to raise the temperature of the air in the house. Assuming that all the energy given off in the reaction goes to heating up only the air in the house, ...
January 14, 2016 by Lana

Chemistry
For the following reaction, 3.93 grams of carbon tetrachloride are mixed with excess methane (CH4). The reaction yields 4.10 grams of dichloromethane (CH2Cl2). methane (CH4) (g) + carbon tetrachloride (g) dichloromethane (CH2Cl2) (g) What is the theoretical yield of ...
October 23, 2012 by Kaitlin

chemistry
what is produced when methane is burned ?
October 11, 2007 by Anonymous

chemistry
how methane is produced or where it comes from?
January 14, 2013 by john

Chemistry
Does methane dissolve in water?
May 24, 2015 by Saurav

chemistry
how can we produce ethane from methane?
April 6, 2016 by tasnuba

re-apchem post
a 2L container is charged with 2atm of O2 at 298 Kelvin. Ch4(g) + 2O2(g) --> CO2(g) + 2H20(g) calculate the partial pressure of methane needed to react completely with the O2 in the vessel. What is the total pressure after the reaction is complete if the temperature ...
April 12, 2009 by sarah

Chemistry
What is the three dimensional structure of methane? Why?
February 11, 2009 by Laura

Chemistry
What is the three dimensional structure of methane? Why?
February 14, 2009 by Laura

Chemistry
What are the products of nitrogen dioxide and methane?
April 27, 2009 by Zac

chemistry.
The mass % of C in methane (CH4) is?...Can any one help me????
October 1, 2009 by Denmark

chemistry
What reagent converts sodiumethanoate to methane?
March 15, 2011 by Anonymous

chemistry
What reagent converts sodiumethanoate to methane?
March 15, 2011 by Dan

Chemistry
What is the freesing point for ethanol and methane
May 18, 2011 by Mariama

Chemistry
What is the freesing point for ethanol and methane
May 18, 2011 by Mariama

chemistry
how many covalent bonds are there in methane molecule
August 4, 2013 by fathimah

chemistry
calculate the no. of molecules in 16g of methane is:
June 17, 2014 by shish

chemistry
How do you separate oxygen and methane gases?
May 23, 2015 by S.P

science
Which has more entropy neon or methane
January 2, 2016 by jyoti

Science
The combustion of methane in a laboratory burner is represented by the following equation: CH4 + 2 O2 > CO2 + 2 H2O Given the following three thermochemical equations: C + H2 > CH4 H=-74.87kJ C + O2 > CO2 H= -393.5 2 H2 + O2 > 2 H2O H=-571.6 a) Determine the molar ...
July 9, 2015 by Mike

Science
How do the properties of methane relate to its molecular structure?
June 22, 2009 by Kelly

Chemistry
The mass % of H in methane (CH4) is ? How would i solve this?
August 30, 2010 by Amy~

Chemistry
How many ethane molecules are there in 0.0300 mole of methane
October 25, 2012 by Bryce

chemistry
what is the density of methane gas at 2o degree and 115kpa?
January 29, 2013 by Riana

science
How many hydrogen atoms are present in 32 grams of methane?
April 25, 2016 by baba

Chemistry
How many mol of hydrogen present in 16g methane
July 8, 2016 by Anonymous

chemistry
explai9n why methane is a non polar substance. please help
March 2, 2008 by sarah

Environmental Studies
When does methane production occur in a landfill and when is it profitable?
November 8, 2008 by Thano

Chemistry
Calculate the amount of energy released when Methane is burned.
March 10, 2011 by Travis

chem
Determine the density of methane (CH4) in g/L at 21.9oC and 0.9 atm
June 29, 2011 by tony

CHEMISTRY
CALCULATE THE RMS VELOCITY OF METHANE AT 298 KELVIN.
August 23, 2011 by KIRAN

chemistry.....help plz
what is the density of methane gas at 20 degree and 115kpa?
January 29, 2013 by Riana

chemistry
How many grams of dichloromethane result from reaction of 1.60 of methane if the yield is 48.8 ?
April 9, 2013 by larry

Chemistry
Determine the density of methane (CH4) in g/L at 27.8oC and 1.1 atm.
July 13, 2014 by Mike

chemistry
Can methane and oxygen be separated. If yes, can anyone please mention the method
May 11, 2015 by daniel

chemistry
how to separate the mixtures of methane gas and carbon dioxide
May 23, 2015 by clive

uA
How much heat is needed to produce 10.5 moles of methane gas
September 16, 2015 by Lan

science, biology
what evidence shows that the burning of methane is a chemical reaction?
March 1, 2009 by me

chemistry
How many grams of methane gas (CH4) are in a 15.8 liter sample at 1.2 atmospheres and 27C
October 31, 2010 by smith

chemistry
which of these has the highest melting point, magnesium-oxide, 1-propanol, methane
January 25, 2011 by joy

chemistry
what is the volume in liters of 4.2 moles methane gas, at 26degree C and 1.40 atm?
April 8, 2011 by nicole

chemistry
what is the volume in liters of 4.2 moles methane gas, at 26degree C and 1.40 atm?
April 8, 2011 by nicole

Chemistry
Calculate the mass ( in grams) of one mole of methane molecules (to .01 g)
November 1, 2011 by Matt

chemistry
What mass of water is produced from the complete combustion of 2.5010−3 of methane?
February 7, 2012 by ASh

chemistry
What mass of oxygen is needed for the complete combustion of 2.5010−3 of methane?
February 7, 2012 by ASh

chemistry
What mass of oxygen is needed for the complete combustion of 5.0010−3g of methane?
October 14, 2013 by kristy

CHEMISTRY
How many moles of methane gas, CH 4 , are in a 1.00103L storage tank at STP?
March 16, 2015 by dakota

CHEMISTRY
The pressure exerted by 6.0g of methane gas in a 0.03m3 vessel at 129degreeC is.
March 22, 2015 by Tanya

Chemistry
For the combustion of 100. gm of methane, how much heat would be generated?
September 6, 2015 by John

Thermochemistry
For the combustion of 100. gm of methane, how much heat would be generated?
September 6, 2015 by Gary

BIOLOGY
HOw does cellular respiration compare with the processes of combustion of methane or wood? HOw is it different?
March 24, 2009 by cubanita

chemistry
what volume of methane is needed to completely react with 500 liters of oxygen?
May 16, 2010 by (:

chem
What is the volume in liters of 3.2 moles methane gas, CH4, at 12degrees C and 1.52 atm?
July 10, 2010 by andy

chemistry
What mass of carbon dioxide is produced from the complete combustion of 8.2010−3 g of methane?
September 19, 2010 by kim

10th grade
What would be the percentage composition of carbon in 10g sample of methane is?
September 27, 2010 by Sibusiso

engineering of science
What mass of water is produced from the complete combustion of 8.9010−3g of methane
October 2, 2010 by Eric

engineering of science
What mass of oxygen is needed for the complete combustion of 8.9010−3 of methane?
October 2, 2010 by Eric

science
What mass of carbon dioxide is produced from the complete combustion of 5.2010−3 of methane?
October 28, 2010 by amber

chemistry
How many grams of methane gas were used to fill a baloon to a volume of 3.0 L at STP?
December 5, 2010 by Naples

chemistry
how many moles of methane are required to produce 22g of CO2 after combustion
July 24, 2011 by rahul

chemistry
What mass of carbon dioxide is produced from the complete combustion of 2.6010−3 of methane?
October 13, 2011 by CHRIS

science (PLEASE HELP)
Why is condensation on the beaker resulted from burning methane a chemical reaction?
November 3, 2011 by Lily

chemistry
Calculate the mass of carbon dioxide produced by burning 0.60kg of methane
November 7, 2011 by Luc

chemistry
What mass of carbon dioxide is produced from the complete combustion of 2.5010−3 of methane?
February 7, 2012 by ASh

Science
What pressure is exerted by 0.010 mol of methane gas if it is volume is 0.26 L at 373K?
April 13, 2012 by Kayla

Chemistry
What is the volume in liters of 3.0moles methane gas, CH4, at 12∘C and 1.48atm ?
October 23, 2013 by rose

Chemistry
What mass of Carbon dioxide is produced from the complete combustion of 4.60x10^-3g of methane?
October 24, 2013 by Savannah

sbmjc
how many moles of methane is required to produce g of co2 after the complete combustion ?
November 6, 2014 by sara

Chemistry
Which substance can not be decomposed by ordinary chemical means? how? 1. methane 2. mercury 3. ethanol 4. ammonia
November 6, 2007 by John

Chemistry
When 20.5g of methane and 45.0g of chlorine gas undergo a reaction that has a 75.0% yeild, what mass of chloromethane forms?
September 29, 2009 by Sam

chemistry
Which of the following will lie flat on a plane? Methane, ethane, ethene, ethyne, chloromethane?
July 10, 2011 by g

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