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Author Question: Calculate rG at 298 K using the following information:2H2S(g) + 3O2(g) 2SO2(g) + 2H2O(g)rG = ? fH ... (Read 59 times)

moongchi

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Question 1

Calculate ΔrG° at 298 K using the following information:

4HNO3(g) + 5N2H4(l) → 7N2(g) + 12H2O(l)ΔrG° = ?
ΔfH° (kJ mol-1)-133.950.6-285.8
S°(J K-1 mol-1)266.9121.2191.670.0

◦ +3.90 × 103 kJ mol-1
◦ -3.30 × 103 kJ mol-1
◦ -3.15 × 103 kJ mol-1
◦ +4.90 × 103 kJ mol-1
◦ -2.04 × 103 kJ mol-1

Question 2

Calculate ΔrG° at 298 K using the following information:

2H2S(g) + 3O2(g) → 2SO2(g) + 2H2O(g)ΔrG° = ?
ΔfH° (kJ mol-1)-20.6-296.8-241.8
S°(J K-1 mol-1)205.8205.2248.2188.8

◦ +108.2 kJ mol-1
◦ -147.1 kJ mol-1
◦ +676.2 kJ mol-1
◦ -466.1 kJ mol-1
◦ -990.3 kJ mol-1


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Marked as best answer by moongchi on Nov 18, 2019

lolol

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moongchi

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Reply 2 on: Nov 18, 2019
YES! Correct, THANKS for helping me on my review


juliaf

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

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