College Chemistry Quiz
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THERMOCHEMISTRY (CALORIMETRY & HESS'S LAW)
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A chemistry student uses bond enthalpies to calculate the enthalpy of combustion of methane: CH4(g)+2O2(g)→CO2(g)+2H2O(g)CH_4(g) + 2O_2(g) \rightarrow CO_2(g) + 2H_2O(g). Given: C-H = 413 kJ/mol, O=O = 498 kJ/mol, C=O = 799 kJ/mol, O-H = 463 kJ/mol. What is the calculated enthalpy of combustion?
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