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Methane is a very powerful greenhouse gas. One pound of methane traps 25 times more heat in the atmosphere than a pound of carbon dioxide. Methane is also the main ingredient in natural gas. Because methane can be captured from landfills, it can be burned to produce electricity, heat buildings, or power garbage trucks. What volume of oxygen is necessary to completely react with 8.46 x 1019 molecules of methane gas, CH4 during combustion?



So I started with balancing the equation, which is CH4 + 2O2 :rarrow: CO2 + 2H2O

I think next I'm supposed to go from 8.46 x 1019 particles of methane gas (CH4) to moles of (CH4) to moles of oxygen to volume of oxygen. What I'm confused about is how I'm supposed to set the equation up and I would appreciate any help in doing so

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