At 1000 K, initially pure NO2(g) decomposes according to 2 NO2(g) 2 NO(g) + O2(g) with an equilibrium constant, K = 158, when pressures are expressed in bar. At equilibrium, the partial pressure of O2 = 0.75 bar. What are the partial pressures (in bar) of NO(g) and NO₂(g), respectively, at equilibrium at 1000 K? = A) 0.250, 1.0 × 10-¹ B) 0.75, 4.0 x 104 C) 0.125, 1.0 × 10-¹ 1.50, 1.0 × 10-¹ E) 1.50, 4.0 × 10 -4 D)

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21. At 1000 K, initially pure NO2(g) decomposes according to
2 NO2(g)
2 NO(g) + O2(g)
with an equilibrium constant, K = 158, when pressures are expressed in bar. At
equilibrium, the partial pressure of O2 = 0.75 bar. What are the partial pressures (in
bar) of NO(g) and NO2(g), respectively, at equilibrium at 1000 K?
=
A) 0.250, 1.0 × 10-¹
B) 0.75, 4.0 × 104
C)
0.125, 1.0 × 10-¹
D)
E)
1.50, 1.0 × 10-¹
1.50, 4.0 ×
104
Transcribed Image Text:21. At 1000 K, initially pure NO2(g) decomposes according to 2 NO2(g) 2 NO(g) + O2(g) with an equilibrium constant, K = 158, when pressures are expressed in bar. At equilibrium, the partial pressure of O2 = 0.75 bar. What are the partial pressures (in bar) of NO(g) and NO2(g), respectively, at equilibrium at 1000 K? = A) 0.250, 1.0 × 10-¹ B) 0.75, 4.0 × 104 C) 0.125, 1.0 × 10-¹ D) E) 1.50, 1.0 × 10-¹ 1.50, 4.0 × 104
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