Multiple Choice
Which of the following statements is true concerning the reaction below?
C(s,graphite) → C(s,diamond)
Substance
ΔH°f (kJ/mol) at 298 K
S° (J/(mol ∙ K) ) at 298 K
C(s,graphite)
0
5) 740
C(s,diamond)
1) 897
2) 377
A) Under standard-state conditions,the reaction is spontaneous at all temperatures.
B) Under standard-state conditions,the reaction is spontaneous only at temperatures above 564 K.
C) Under standard-state conditions,the reaction is spontaneous only at temperatures below 564 K.
D) Under standard-state conditions,the reaction is at equilibrium at 298 K.
E) Under standard-state conditions,the reaction is not spontaneous at any temperature.
Correct Answer:

Verified
Correct Answer:
Verified
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