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Author Question: For the reaction 2NO(g) + O2(g) 2NO2(g) if initially P(NO) = 1.5 atm, P(O2) = 1.4 atm, and P(NO2) = ... (Read 51 times)

Rafic Kaaki

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Question 1

For the reaction 2C(graphite) + H2(g) → C2H2(g), ΔG°= +209.2 kJ/mol at 25°C.  If P(H2) = 100. atm, and P(C2H2) = 0.10 atm, calculate ΔG for this reaction.
◦ +207.8 kJ/mol
◦ +226.3 kJ/mol
◦ +192.1 kJ/mol
◦ +17.3 kJ/mol
◦ –16.9 kJ/mol

Question 2

For the reaction 2NO(g) + O2(g) → 2NO2(g) if initially P(NO) = 1.5 atm, P(O2) = 1.4 atm, and P(NO2) = 2.0 atm, calculate ΔG for this reaction at 25°C. The following data is valid at 25°C:
 
ΔGf° (kJ/mol)
NO
86.7
NO2
51.8
 

◦ –69.9 kJ/mol
◦ –69.2 kJ/mol
◦ 522.1 kJ/mol
◦ –79.9 kJ/mol
◦ –35.0 kJ/mol


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Marked as best answer by Rafic Kaaki on Nov 5, 2023

rhhoagland

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Rafic Kaaki

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Reply 2 on: Nov 5, 2023
Wow, this really help


marict

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Reply 3 on: Yesterday
Great answer, keep it coming :)

 

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