Choose the equilibrium in which the products are favored by a drop in pressure and the reactants favored by a drop in temperature. a) N2(g) + 3 H2(g) ⇔ 2 NH3(g) + 92.3 kJ b) H2(g) + I2(g) + 51.8 kJ ⇔ 2 HI(g) c) PCl3(g) + Cl2(g) ⇔ PCl5(g) ΔH = -84.2 kJ d) 2 NO2(g) ⇔ 2 NO(g) + O2(g) ΔH = +54 kJ

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Chapter12: Chemical Equilibrium
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Problem 12.43PAE
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Choose the equilibrium in which the products are favored by a drop in pressure and the reactants favored by a drop in temperature.
a) N2(g) + 3 H2(g) ⇔ 2 NH3(g) + 92.3 kJ
b) H2(g) + I2(g) + 51.8 kJ ⇔ 2 HI(g)
c) PCl3(g) + Cl2(g) ⇔ PCl5(g) ΔH = -84.2 kJ
d) 2 NO2(g) ⇔ 2 NO(g) + O2(g) ΔH = +54 kJ

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