Chemistry
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ISBN: 9781305957404
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The reaction
2 NO(g) ⇆ N2O4(g)
occurs at 25oC under standard state conditions with ΔGo = 13.1 kJ/mol. What is the free energy change (in J/mol) when the NO partial pressure is 0.649 Atm and the N2O4 partial pressure is 0.0015 Atm?
Expert Solution
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Given
The equilibrium reaction given in the question is -
2 NO (g) N2O4 (g)
Standard Gibbs free energy, ΔGo = 13.1 kJ/mol = 13100 J/mol
The partial pressure of NO = 0.649 atm
The partial pressure of N2O4 = 0.0015 atm
Temperature, T = 25oC = 298 K
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The Gibbs free energy
The standard Gibbs free energy is given as-
The Gibbs free energy at non-standard conditions is given as-
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