Multiple Choice
For the reaction
2C(s) + 2H2(g) C2H4(g)
Hr = +52.3 kJ.mol-1 >and Sr = -53.07 J.K.mol-1 at 298 K.
This reaction will be spontaneous at
A) no temperature.
B) all temperatures.
C) temperatures below 985 K.
D) temperatures above 985 K.
E) temperatures below 1015 K.
Correct Answer:

Verified
Correct Answer:
Verified
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