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    Exam 19: Spontaneous Change: Entropy and Free Energy
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    What Is ΔG° at 25 °C
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What Is ΔG° at 25 °C

Question 45

Question 45

Multiple Choice

What is ΔG° at 25 °C?
CaCO3(s) → CaO(s) + CO2(g)     ΔH° = 177.8 kJ     ΔS° = 160.7 J/K


A) 1779 kJ
B) 173.8 kJ
C) 225.7 kJ
D) 181.8 kJ
E) 129.9 kJ

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