Q.
Given standard enthalpies for methane, carbon dioxide and water vapour as ~ 75 kJ/mol, 394 kJ/mol and 240 kJ/mol, respectively. What is the net heat of combustion of methane ?
[A] – 799 kJ/mol
[B] – 802 kJ/mol
[C] + 1598 kJ/mol
[D] + 799 kJ/mol
Answer & Explanation
Answer: – 799 kJ/mol