Question

Heat of formation of $\Delta H = \Delta E + P\Delta V$ and $\Delta E = \Delta V + \Delta H$ are – 94.0, – 68.4 and – 17.9 kcal respectively. The heat of combustion of methane is .

• A. – 212.9 kcal
• B. – 136.8 kcal
• C. – 304.3 kcal
• D. – 105.2 kcal

Answer 1

Answer: (A)

– 212.9 kcal

Answer 2

Find $\Delta E$ for $\Delta H > \Delta E$.