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Author Question: For a given reaction, rH = -19.5 kJ mol-1 and rS = -55.8 J K-1 mol-1. The reaction will have at ... (Read 72 times)

jayhills49

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Question 1

The value of ΔfG° at 400.0 °C for the formation of calcium chloride from its constituent elements,

Ca(s) + Cl2(g) → CaCl2(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
◦ -903.3
◦ 6.31 × 104
◦ -688.3
◦ -731.9
◦ 1.07 × 105

Question 2

For a given reaction, ΔrH = -19.5 kJ mol-1 and ΔrS = -55.8 J K-1 mol-1. The reaction will have at Assume that ΔrH and ΔrS do not vary with temperature.
◦ 2.86
◦ 2.86 × 103
◦ 349
◦ 0.349
◦ 298


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Marked as best answer by jayhills49 on Nov 18, 2019

xoxo123

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jayhills49

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Reply 2 on: Nov 18, 2019
Wow, this really help


Zebsrer

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Reply 3 on: Yesterday
Excellent

 

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