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Calculate the standard free energy change at 25°C for the reaction 2 NO(g) + O2(g) →...

Calculate the standard free energy change at 25°C for the reaction
2 NO(g) + O2(g) → 2 NO2(g).
  Species   ΔH°f, kJ/mol   S°, J/(K · mol)

NO (g) 91.3 210.7

O2 (g) 0.0 205.0

NO2 (g) 33.2 240.0
A) -157.8 kJ

B) -532.6 kJ

C) -72.6 kJ

D) -4.7 kJ

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Answer #1

e hae lo Calcule f the reaction we Know, 444 (2x 33.2)-[(2x91. 3)+(o)] = 480 6 26.4

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