What is the heat of reaction for CH4 + 2O2 -> CO2 + 2H2O, if the heat – McqOptions

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1.	What is the heat of reaction for CH4 + 2O2 -> CO2 + 2H2O, if the heat of combustion of H2O = 5 J, CO2 = 10 J, O2 = 0, and CH4 = 25 J?
A.	-5 J
B.	5 J
C.	-10 J
D.	10 JView answer
Answer» C. -10 J

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