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Author Question: Calculate rG at 298 K using the following information:2HNO3(aq) + NO(g) 3NO2(g) + H2O(l)rG = ? fH ... (Read 90 times)

ts19998

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Question 1

Use Hess's law to calculate ΔrG° using the following information:

ClO(g) + O3(g) → Cl(g) + 2O2(g)ΔrG° = ?
2O3(g)→ 3O2(g)ΔrG° = +489.6 kJ mol-1
Cl(g) + O3(g) → ClO(g) + O2(g)ΔrG° = -34.5 kJ mol-1

◦ -210.3 kJ mol-1
◦ +262.1 kJ mol-1
◦ +524.1 kJ mol-1
◦ -472.4 kJ mol-1
◦ +455.1 kJ mol-1

Question 2

Calculate ΔrG° at 298 K using the following information:

2HNO3(aq) + NO(g) → 3NO2(g) + H2O(l)ΔrG° = ?
ΔfH° (kJ mol-1)-207.091.333.2-285.8
S°(J K-1 mol-1)146.0210.8240.170.0

◦ -186 kJ mol-1
◦ -85.5 kJ mol-1
◦ +50.8 kJ mol-1
◦ +222 kJ mol-1
◦ -151 kJ mol-1


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Marked as best answer by ts19998 on Nov 18, 2019

CharlieArnold

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ts19998

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


diana chang

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Reply 3 on: Yesterday
Gracias!

 

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