Home Chemistry Thermodynamics and Thermochemistry Heat of Reaction The standard molar heat of formation of etha…
Chemistry Thermodynamics and Thermochemistry Heat of Reaction Single Correct MCQ
Published on: August 14, 2026

The standard molar heat of formation of ethane, and water ( l ) are respectively – 21.1, – 94.1 and – 68.3 kcal . The standard molar heat of combustion of ethane will be

A
– 372 kcal
B
162 kcal
C
–240 kcal
D
183.5 kcal

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The correct answer is:
A

substitute the values.

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