What mass of natural gas (CH4) must you burn to emit 267 kJ of heat?
CH4(g) + 2O2(g)→CO2(g)+ 2H2O(g) ΔHº rxn = -802.3 kJ
4 Answers
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267 kJ x (1 mole CH4 / 802.3 kJ) x (16.0 g / mole) = 5.32 g CH4
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Natural Gas Ch4
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1 moles CH4 : 802.3 kJ = x : 268 x = 0.334 moles CH4 mass CH4 = 0.334 mol x 16.043 g/mol=5.36 g
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7.342 lbs. just use the formula you’ll see what i mean
