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The Equilibrium Constants for the Chemical Reaction N2(g)+ O2(g) Δ\Delta Hº < 0
B)The Partial Pressure of NO(g)is Less at 2,200 K

question 76

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The equilibrium constants for the chemical reaction N2(g) + O2(g)  The equilibrium constants for the chemical reaction N<sub>2</sub>(g) + O<sub>2</sub>(g)    <sub> </sub> 2NO(g) are K<sub>P</sub> = 1.1 × 10<sup>-3</sup> and 3.6 × 10<sup>-3</sup> at 2,200 K and 2,500 K, respectively. Which one of these statements is true? A) The reaction is exothermic,  \Delta Hº < 0. B) The partial pressure of NO(g) is less at 2,200 K than at 2,500 K. C) K<sub>P</sub> is less than K<sub>c</sub> by a factor of (RT) . D) The total pressure at 2,200 K is the same as at 2,500 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 2,200 K and 2,500 K, respectively.
Which one of these statements is true?


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