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D2L3_Answers - Answer Key for D2L Assignment#3 When a...

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Answer Key for D2L Assignment #3 When a chemical system is at equilibrium, 1) the concentrations of the reactants are equal to the concentrations of the products. Feedback: Difficulty: E 2) the reaction quotient, Q , has reached a maximum. Feedback: Difficulty: E 3) the forward and reverse reactions have stopped. Feedback: Difficulty: E 4) the concentrations of the reactants and products have reached constant values. Feedback: Difficulty: E 5) the reaction quotient, Q , has reached a minimum. Feedback: Difficulty: E ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ The reaction quotient, Q c , for a reaction has a value of 75 while the equilibrium constant, K c , has a value of 195. Which of the following statements is accurate? 1) The reaction must proceed to the right to establish equilibrium. Feedback: Difficulty: E 2) None of the above statements is accurate. Feedback: Difficulty: E 3) The reaction must proceed to the left to establish equilibrium. Feedback: Difficulty: E 4) The concentrations of the products will be about the same as the concentrations of the reactants when the system is at equilibrium.
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