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OpenStudy (anonymous):
How much heat is evolved when 12.5 g CH4 is burned in air? Please show steps CH4(g) + 2O2(g) ----> CO2(g) + 2H2O(l) ΔH = -890 kj/mol
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OpenStudy (cuanchi):
according to the reaction the delta H that you have is the heat produced by burning one mole of CH4. calculate how many moles you have in 12.5g CH4 and multiply that for the delta H given in the problem
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