Which of the following statements is (are) true? (Select all that apply.) If equilibrium constants for the chemical reaction N2(g) + O2(g) =2 NO(g) are Kp = 1.1 x 10-3 and 3.6 x 10-3 at 2,200 K and 2,500 K, respectively, then the reaction is exothermic. If Q < K then the reactant concentrations will be decrease as the reaction proceeds to equilibrium. Concentration of the products equals the concentrations of the reactants. If the reaction, C(s) + 2H2(g) = CH4(g) is at equilibrium, adding solid carbon will cause the reaction to shift in the forward direction. None of these statements are true. At equilibrium, the rate of the forward reaction is equal to the rate of the reverse reaction.

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Chapter1: Chemical Foundations
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Which of the following statements is (are) true? (Select all that apply.)
If equilibrium constants for the chemical reaction
N2(g) + O2(g) :
= 2 NO(g) are K, = 1.1 x 103 and 3.6 x 103 at 2,200 K and 2,500 K, respectively, then the
reaction is exothermic.
If Q < K then the reactant concentrations will be decrease as the reaction proceeds to equilibrium.
Concentration of the products equals the concentrations of the reactants.
If the reaction, C(s) + 2H2(g) = CH4(g) is at equilibrium, adding solid carbon will cause the reaction to shift
in the forward direction.
None of these statements are true.
O At equilibrium, the rate of the forward reaction is equal to the rate of the reverse reaction.
Transcribed Image Text:Which of the following statements is (are) true? (Select all that apply.) If equilibrium constants for the chemical reaction N2(g) + O2(g) : = 2 NO(g) are K, = 1.1 x 103 and 3.6 x 103 at 2,200 K and 2,500 K, respectively, then the reaction is exothermic. If Q < K then the reactant concentrations will be decrease as the reaction proceeds to equilibrium. Concentration of the products equals the concentrations of the reactants. If the reaction, C(s) + 2H2(g) = CH4(g) is at equilibrium, adding solid carbon will cause the reaction to shift in the forward direction. None of these statements are true. O At equilibrium, the rate of the forward reaction is equal to the rate of the reverse reaction.
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