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For the Reaction
2C(s)+ 2H2(g) \rightarrow C2H4(g) Δ\Delta Hr ο\omicron = +52 Δ\Delta

Question 56

Multiple Choice

For the reaction
2C(s) + 2H2(g) \rightarrow C2H4(g)
Δ\Delta Hr ο\omicron = +52.3 kJ.mol-1 and Δ\Delta Sr ο\omicron = -53.07 J.K-1.mol-1 at 298 K.
The reverse reaction will be spontaneous at


A) temperatures below 985 K.
B) temperatures above 985 K.
C) temperatures below 1015 K.
D) all temperatures.
E) no temperatures.

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