C2H4(g) + H2(g) → C2H6(g) ΔH = -137kJ mol-1
A. exothermic
B. spontaneous
C. endothermic
D. in equilibrium
Correct Answer:
Option A – exothermic
C2H4(g) + H2(g) → C2H6(g) ΔH = -137kJ mol-1
A. exothermic
B. spontaneous
C. endothermic
D. in equilibrium
Correct Answer:
Option A – exothermic
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