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The Standard Molar Free Energies of Formation of NO2(g) and N2O4(g)

Question 59

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The standard molar free energies of formation of NO2(g) and N2O4(g) at 25°C are 51.84 and 98.28 kJ/mol, respectively. What is the value of Kp (in atm) for the reaction written as follows at 25°C?
2NO2 The standard molar free energies of formation of NO<sub>2</sub>(g) and N<sub>2</sub>O<sub>4</sub>(g) at 25°C are 51.84 and 98.28 kJ/mol, respectively. What is the value of K<sub>p</sub> (in atm) for the reaction written as follows at 25°C? 2NO<sub>2</sub> N<sub>2</sub>O<sub>4</sub> A) 8.84 B) 1.17 × 10<sup>4</sup> C) 1.37 × 10<sup>8</sup> D) 7.31 × 10<sup>-9</sup> E) 0.113N2O4


A) 8.84
B) 1.17 × 104
C) 1.37 × 108
D) 7.31 × 10-9
E) 0.113

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