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The Reaction 2NO(g) N₂(g)+ O₂(g)is Exothermic $\Delta$ Hº_rxn = -180 KJ/mol

Question 55

Multiple Choice

The reaction 2NO(g) $The reaction 2NO(g) N2(g) + O2(g) is exothermic, \Delta Hºrxn = -180 kJ/mol. Which one of these statements is true? A) Kp at 1,000 K is less than Kp at 2,000 K. B) Kp at 1,000 K is larger than Kp at 2,000 K. C) The Kp's at 1000 K and 2000 K are the same. D) Kp depends on total pressure as well as temperature.$ N₂(g) + O₂(g) is exothermic, $\Delta$ Hº_rxn = -180 kJ/mol. Which one of these statements is true?

A) K_p at 1,000 K is less than K_p at 2,000 K.
B) K_p at 1,000 K is larger than K_p at 2,000 K.
C) The K_p's at 1000 K and 2000 K are the same.
D) K_p depends on total pressure as well as temperature.

Correct Answer: