ChemistryEnergy changesJAMB
The enthalpy of combustion of methane is −890 kJ/mol. How much heat is released when 8 g of methane burns? [C = 12, H = 1]
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Answer: A. 445 kJ
8 g is 0.5 mol; 0.5 × 890 = 445 kJ.
An AdmitMe practice question, written for the JAMB syllabus. Not an official past question.