Question

2.
The enthalpy of formation of ethane at 25°C, if the enthalpies
of combustion of carbon, hydrogen and ethane are 94.14,
68.47 and 373.3 kcal respectively is
(a) 20.39 kcal
(b) 210.69 kcal
(C) - 210.69 kcal
(d) – 20.39 kcal.
Please solve this ASAP.​

Answer 1

Answer:

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Answer 2

Answer:

(D)

Explanation:

-188.28 + (-205.41) + 373.3 = -20.39