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The Equilibrium Constants (Expressed in Atm)for the Chemical Reaction N2(g)

Question 13

Multiple Choice

The equilibrium constants (expressed in atm) for the chemical reaction N2(g) + O2(g) The equilibrium constants (expressed in atm) for the chemical reaction N<sub>2</sub>(g) + O<sub>2</sub>(g) 2NO(g) are K<sub>P</sub> = 1.1 × 10<sup>-3</sup> and 3.6 × 10<sup>-3</sup> at 2200 K and 2500 K,respectively. Which statement is true? A) The reaction is exothermic,ΔHº < 0. B) The partial pressure of NO(g) is less at 2200 K than at 2500 K. C) K<sub>P</sub> is less than K<sub>c</sub> by a factor of (RT) . D) The total pressure at 2200 K is the same as at 2500 K. E) Higher total pressure shifts the equilibrium to the left. 2NO(g) are KP = 1.1 × 10-3 and 3.6 × 10-3 at 2200 K and 2500 K,respectively.
Which statement is true?


A) The reaction is exothermic,ΔHº < 0.
B) The partial pressure of NO(g) is less at 2200 K than at 2500 K.
C) KP is less than Kc by a factor of (RT) .
D) The total pressure at 2200 K is the same as at 2500 K.
E) Higher total pressure shifts the equilibrium to the left.

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