Problem- a homeowner uses 400 x 103 m3 of natural gas in a, Ask an Expert

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Problem- A homeowner uses 4.00 x 10^3 m^3 of natural gas in a year to heat a home. Assume that natural gas is all methane, CH4, and that methane is a perfect gas for the conditions of this problem, which are 1.00 atm and 20 C. What is the mass of gas used?

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