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October 21, 2014

Search: methane

Number of results: 460

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
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

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

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

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

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

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

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

Chemistry
Are hybridized orbitals used to explain the fact that the four bonds in methane are equivalent? If not, what is?
April 16, 2012 by Grace

chemistry please help
What is the volume in liters of 5.0moles methane gas, CH4, at 20∘C and 1.40atm ?
July 18, 2013 by Anonymous

science
calculate the mass of carbon which is required to form 44,8dm of methane gas at STP
August 16, 2013 by Anonymous

Chem
How much methane, in grams, must be burned to release 542 kJ of heat? H=-802kJ
June 26, 2014 by Luke

chemistry - enthalpy change and finiding volume of
29. Consider the following chemical equations and their enthalpy changes. CH4(g) + 2O2(g) → CO2(g) + 2H2O(g) ΔH = −8.0 102 kJ CaO(s) + H2O(_) → Ca(OH)2(aq) ΔH = −65 kJ What volume of methane, at 20C and 100 kPa, would have to be combusted ...
June 8, 2011 by Farah

chemistry
If you burn methane(CH4)and methyl alcohol(CH3OH)which gives off more heat
February 19, 2008 by luly

Chemistry
What mass of methane must be combusted to produce 1.00 x 10^3 kJ of heat? could someone write the equation and the answer? Thank You.
May 20, 2010 by Anonymous

chemistry
at what temperature will the root mean square velocity of sulphur dioxide be same as that of methane at 27c?
July 5, 2012 by niharika

Chemistry
How many grams of dichloromethane result from reaction of 2.62 kg of methane if the yield is 43.5 %? CH4+2Cl -> CH2Cl2+2HCl
November 5, 2012 by Melia

chemistry
a sample of ethane has the same mass as 10million mulecules of methane. how many moles of CO2 are left?
June 17, 2014 by shish

Chemistry
Calculate the mass of water having the same number of hydrogen atoms as are present in 32 gm of methane.
October 15, 2014 by Axis

chemistry
You want to heat your house with natural gas CH4. The house has 275 sq. m of the floor area and the height of 2.5 m (between the floor and the ceiling). The air has a specific molar heat capacity of 29.1 j/mol*K. The molar mass of air is 28.9 and a density of 1.22 g/L at these...
November 12, 2008 by Sarah

Ruminant Nutrition (college)
I'm studying for a Ruminant Nutrition final exam and have a couple essay questions that I'm really struggling with... - How do ruminants fit into sustainable food production systems? - Assume that you can genetically modify a rumen microbe to perform any reaction (e.g., ...
May 4, 2009 by Lacey

Chemistry
1. Out of all the "8" gases [Argon, Hydrogen, Nitrogen, Oxygen, Air, Helium, Methane, Carbon Dioxide], which one is the most likely to depart from the ideal gas behavior? Why? 2. Out of all the "8" gases [Argon, Hydrogen, Nitrogen, Oxygen, Air, Helium, Methane, Carbon Dioxide...
November 13, 2011 by Michael

CHEMISTRY
I need help please. "what voluma [in mL] at STp will be occupied by 0.0035 mol of methane [CH4]" THANK YOU SOO MUCH!
May 21, 2008 by Mandy

11th grade
Calculated how many grams of methane (CH4) are in a sealed 80 mL flask at room temperature (22C) and 780 mm Hg of pressure.
June 16, 2010 by Shakeria Crew

Chemistry
how many liters of oxygen are necessary for the combustion of 425 g methane assuming the reaction takes place at STP
February 17, 2011 by Alicia

CHEMISTRY
What mass of water is produced from the complete combustion of 2.6010−3 of methane? Express your answer with the appropriate units.
October 13, 2011 by CHRIS

chemistry
What mass of oxygen is needed for the complete combustion of 2.6010−3 of methane? Express your answer with the appropriate units.
October 14, 2011 by CHRIS

Chemistry
How much heat is associated with the burning of 2.27 g of methane in the following unbalanced reaction: CH4(g) + O2(g) →CO2(g) + H2O(g)?
March 7, 2012 by John

chemistry
26 g of methane CH4 has a pressure of 450 kPa at 250 degrees celcius find the volume occupied by the gas
April 11, 2012 by db

Chemistry
What is the mass of water that can be heated from 39 C to 80 C by the combustion of 150 g of methane. CH4 + 2O2 => CO2 + 2H2O Delta H= -890kJ
January 11, 2013 by Lisa

chemistry
Place these hydrocarbons in order of decreasing boiling point: paraffin : methane: octane: isooctane: ( also known as 2,2,4 trimethylpentane) octadecane:
December 6, 2009 by ashely

chemistry
What volume of O2 gas, measured at 297K, is needed to completely burn all the methane (CH4) in a 3.00L container at the same T and P?
March 8, 2010 by Shannon

college chemistry
Methane reacts with water to form CO and H2 as follows CH4 (g) + H2O (g) >< CO (g) + 3 H2 (g) The value of Kp at 298 K for the reaction is 7.7 x 1024, calculate Kc.
September 30, 2010 by mary

Chemistry
Which of the following gases will occupy the smallest volume at 300 K and 760 torr and why? 80 g diatomic oxygen 80 g methane 80 g hydrogen fluoride
October 17, 2011 by Sven

chemistry
What volume of oxygen at s.t.p is required for the complete combustion of methane according to the following equation. CH4 2O2= CO2 2H2O
January 10, 2013 by Joseph

science
Calculated how many grams of methane (CH4) are in a sealed 80 mL flask at room temperature (22C) and 780 mm Hg of pressure. Show all your work.
April 15, 2013 by bob

Chemistry
Calculate the ratio of moles of CO2 produced to moles of the original gas mixture? A mixture of methane (CH4) and ethane (C2H6) is stored in a container at 294 mmHg. The gases are burned in air to form CO2 and H2O. If the pressure of CO2 is 351 mmHg measures at the same ...
August 13, 2010 by Jenny

Chemistry
Calculate the ratio of moles of CO2 produced to moles of the original gas mixture? A mixture of methane (CH4) and ethane (C2H6) is stored in a container at 294 mmHg. The gases are burned in air to form CO2 and H2O. If the pressure of CO2 is 351 mmHg measures at the same ...
August 13, 2010 by Jenny

Fluid mechanics
Calculate the predicted viscosity of molecular oxygen, nitrogen and methane at 20C and standard atmospheric pressure (give your answer in Pas).
March 10, 2011 by Loshini

skyline high school
Determine how many moles of water vapor will be produced at 1.00 atm and 200.oC by the complete combustion of 10.5 L of methane gas (CH4)
May 19, 2011 by selene

chemistry
Rank the following compounds in order of decreasing boiling point: sodium fluoride ( \rm NaF ), methane ( \rm CH_4 ), fluoromethane ( \rm CH_3F )
August 21, 2011 by nurul

Chemistry
Calculate the partial pressures and total pressure (in atm) exerted by 0.838 mol of methane, 0.184 mol of ethane and 0.755 mol of neon contained in a 4.00 L container at 27 C. PV=nRT for methane (4.00L) X = (0.838 mol)(0.08206 L-atm/mol-K)(300.15 K) X = 5.160 atm PV=nRT for ...
December 23, 2009 by Anonymous

Chemistry
Which of the following gases would you keep in an outdoor storage tank in winter? Explain why. methane(CH4), Propane(C3H8), or butane(C4H10)
December 6, 2010 by Sara

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
February 27, 2011 by Anonymous

Chemistry
If 50.0 mL of methane gas at 75.5 degrees C is cooled to 5.45 degrees C, what would be its new volume?
July 18, 2012 by Bailey

chemistry
if 40.0 g of methane gas reacts with 40.0 g of oxygen gas whis it the limiting reactant
January 22, 2013 by Athena

Entropy question
What is the absolute entropy of 2.5 mol of gaseous methane at 1.3 bar and 298 K?
February 10, 2013 by Jason

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