Multiple Choice
The value of ΔfG° at 400.0 °C for the formation of calcium chloride from its constituent elements, Ca(s) + (g) →
(s)
Is ________ kJ mol-1. At 25.0 °C for this reaction, ΔfH° is -795.8 kJ mol-1, ΔfG° is -748.1 kJ mol-1, and is
A) -731.9
B) -903.3
C) 1.07 × 105
D) 6.31 × 104
E) -688.3
Correct Answer:

Verified
Correct Answer:
Verified
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