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chemical engineering stoichiometry
1. At standard conditions, N2 + 2O2 2NO2; ΔG° = 100 kJ/mole NO + O2 2NO2; ΔG° = -35 kJ/mole The standard free energy of formation of NO in kJ/mole is
(A): 15
(B): 170
(C): 30
(D): 85
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