Multiple Choice
Calculate the enthalpy of reaction for H2(g) + C2H4(g) C2H6(g) .[ H f(C2H4(g) ) = 52.3 kJ/mol; H f(C2H6(g) ) = -84.7 kJ/mol]
A) -117 kJ/mol
B) -127 kJ/mol
C) -137 kJ/mol
D) -147 kJ/mol
E) None of the above
Correct Answer:

Verified
Correct Answer:
Verified
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