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) 2NO(g) are K_P = 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)K_P is less than K_c by a factor of (R
• T).
• 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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