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The Value of ΔfG° at 400

Question 97

Multiple Choice

The value of ΔfG° at 400.0 °C for the formation of calcium chloride from its constituent elements, Ca(s) + The value of Δ<sub>f</sub>G° at 400.0 °C for the formation of calcium chloride from its constituent elements, Ca(s)  +   (g)  →   (s)  Is ________ kJ mol<sup>-1</sup>. At 25.0 °C for this reaction, Δ<sub>f</sub>H° is -795.8 kJ mol<sup>-1</sup>, Δ<sub>f</sub>G° is -748.1 kJ mol<sup>-1</sup>, and   is   A)  -731.9 B)  -903.3 C)  1.07 × 10<sup>5</sup> D)  6.31 × 10<sup>4</sup> E)  -688.3 (g) → The value of Δ<sub>f</sub>G° at 400.0 °C for the formation of calcium chloride from its constituent elements, Ca(s)  +   (g)  →   (s)  Is ________ kJ mol<sup>-1</sup>. At 25.0 °C for this reaction, Δ<sub>f</sub>H° is -795.8 kJ mol<sup>-1</sup>, Δ<sub>f</sub>G° is -748.1 kJ mol<sup>-1</sup>, and   is   A)  -731.9 B)  -903.3 C)  1.07 × 10<sup>5</sup> D)  6.31 × 10<sup>4</sup> E)  -688.3 (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 The value of Δ<sub>f</sub>G° at 400.0 °C for the formation of calcium chloride from its constituent elements, Ca(s)  +   (g)  →   (s)  Is ________ kJ mol<sup>-1</sup>. At 25.0 °C for this reaction, Δ<sub>f</sub>H° is -795.8 kJ mol<sup>-1</sup>, Δ<sub>f</sub>G° is -748.1 kJ mol<sup>-1</sup>, and   is   A)  -731.9 B)  -903.3 C)  1.07 × 10<sup>5</sup> D)  6.31 × 10<sup>4</sup> E)  -688.3 is The value of Δ<sub>f</sub>G° at 400.0 °C for the formation of calcium chloride from its constituent elements, Ca(s)  +   (g)  →   (s)  Is ________ kJ mol<sup>-1</sup>. At 25.0 °C for this reaction, Δ<sub>f</sub>H° is -795.8 kJ mol<sup>-1</sup>, Δ<sub>f</sub>G° is -748.1 kJ mol<sup>-1</sup>, and   is   A)  -731.9 B)  -903.3 C)  1.07 × 10<sup>5</sup> D)  6.31 × 10<sup>4</sup> E)  -688.3


A) -731.9
B) -903.3
C) 1.07 × 105
D) 6.31 × 104
E) -688.3

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