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What Is the Equilibrium Constant for Reaction Below at 25 ⇋\leftrightharpoons

Question 42

Multiple Choice

What is the equilibrium constant for reaction below at 25 °C? (R = 8.314 J/K?mol) 2 NO(g) + O2(g) ⇋\leftrightharpoons 2 NO2(g) ; ?fG° [NO(g) ] = +86.6 kJ/mol and ?fG° [NO2(g) ] = +51.2 kJ/mol.


A) 3.9 × 10-13
B) 1.0 × 10-11
C) 2.6 × 1012
D) 1.6 × 106
E) 3.8 × 1028

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