Chemistry WAEC

The heat of formation of ethene, C2H4 is 50 kJmol−1, and that of ethane, C2H6 is -82kJmol−1. Calculate the heat evolved in the process: C2H4 + H2 → C2H6

A. -122kJ
B. -132kJ
C. -88kJ
D. -60kJ

Correct Answer: Option B

B. -132kJ

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6 years ago

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