Multiple Choice Identify the choice that best completes the statement or answers the question. 1. What happens to a reac

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Multiple Choice Identify The Choice That Best Completes The Statement Or Answers The Question 1 What Happens To A Reac 1 (416.17 KiB) Viewed 36 times

Multiple Choice Identify the choice that best completes the statement or answers the question. 1. What happens to a reaction at equilibrium when more reactant is added to the system? a. The reaction makes more products. b. The reaction makes more reactants. C. The reaction is unchanged. d. The answer cannot be determined. 2. What is the equilibrium constant for the following reaction? C+0₂= CO₂ a. [C][0₂] [CO₂] b. [CO₂] [C][0₂] c. [C]²[0₂1² [CO₂]² d. [CO₂]² [C]²[0₂]² 3. In an equilibrium reaction that makes more moles of gas than it consumes, what is the effect of increasing the pressure? a. The reaction makes more products. b. The reaction makes more reactants. C. The reaction is unchanged. d. The answer cannot be determined. 4. Consider the reaction N₂(g) + 3H₂(g) 2NH3(g). What is the effect of decreasing the volume on the contained gases? a. The reaction shifts toward the product gas. b. The system reacts by increasing the number of gas molecules. C. The pressure on the gases decreases momentarily. d. Ammonia is consumed in the reaction. 5. What is the effect of adding more water to the following equilibrium reaction? CO₂ + H₂O H₂CO3 a. More H₂CO3 is produced. b. CO₂ concentration increases. C. The equilibrium is pushed in the direction of reactants. d. There is no effect.