7. The equilibrium constant in a reversible chemical reaction at a given temperaturea. depends on the initial concentration of the reactantsb. depends on the concentration of one of the products at equilibriumc. does not depend on the initial concentrationsd. is not a characteristic of the reactionWhich of the following statements is the best explanation for the effect of increase intemperature on the rate of reaction ?a. It increases the number of particles with the necessary activation energyb. It enables the reacting particles with the necessary activation energyc. It lowers the activation energy for the reactiond. It enables the activated complex to be more easily converted to the products

7) The equilibrium constant, K, expresses the relationship between the concentration of products and…

7. The equilibrium constant in a reversible chemical reaction at a given temperature a. depends on the initial concentration of the reactants b. depends on the concentration of one of the products at equilibrium c. does not depend on the initial concentrations d. is not a characteristic of the reaction

7. The equilibrium constant in a reversible chemical reaction at a given temperature a. depends on the initial concentration of the reactants b. depends on the concentration of one of the products at equilibrium c. does not depend on the initial concentrations d. is not a characteristic of the reaction

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Similar questions

Which of the following is incorrect? A. When pressure, volume, or concentration is changed, the equilibrium position may be altered. B. When pressure, volume, or concentration is changed, the value of the equilibrium constant does not change. C. A change in temperature does not alter the equilibrium constant. D. Adding a catalyst to a reaction only causes the mixture to reach equilibrium faster.
For a reaction in equilibrium, which of the following is incorrect if the forward reaction is endothermic? A. The reverse reaction is exothermic. B. Decreasing the temperature will favor the reverse reaction. C. Increasing the temperature will favor the forward reaction. D. Only the forward reaction will be affected by changes in temperature.
Given each equilibrium constant, state whether the reactants are favored, the products are favored, or both the reactants and products are present at equilibrium. a. 5.0 × 10 −4 b. 4.4 × 10 5 c. 350 d. 0.35
Initial concentration of the reactant/s and the concentration at equilibriumA. If the first quantity is less than the second quantityB. If the first quantity is greater than second quantityC. If the two quantities are equalD. If the two quantities cannot be compared
Which of the following is/are true concerning a chemical reaction at equilibrium? The system will be a mixture of reactant and products. 2. The rate of the forward and reverse reactions are equal. 3. The amount of each reactant and product is constant. 1 only a. b. 2 only 3 only C. d. 1 and 2 1, 2, and 3 е.
9. The rate of reaction can be expressed through_____ A. chenge in concentration in time over volume b. change in concentration reactant or product over time c. change in concentration reactant or product over volume d. change in concentration collision or energy over volume
Which of the following is true for chemical equilibrium? I. Forward and reverse reaction rates are equalII. Equilibrium can be achieved from either directionIII. Reaction rates and therefore equilibrium is temperature-dependent. a I only b I and II only c II and III only d I, II and III
Copper (I) chloride is not very soluble in water if solid copper(I) chloride is in equilibrium with a solution of copper(I) ions and chloride ions how will that equilibrium be affected by the addition of sodium cyanide? a) The equilibrium will not be affected by the addition of sodium cyanide b) The equilibrium will shift towards the product c) The equilibrium will shift towards the reactants
20. Equilibrium is the state in which a. The rate of the forward reaction is greater than the reverse reaction. b. The rate of the reverse reaction is greater than the forward reaction. c. The rate of the forward reaction and reverse reaction are equal. 21. What is a catalyst?
14. At equilibrium, the concentration of the reactants and the products in a reaction a. are equal b. remain constant with time c. change with time d. more than one choice is correct
A zero extent of reaction indicates: a. reversible reaction b. no reaction c.equilibrium system d. steady-state system
Give typed full explanation The statements in the following multiple choices deal with the concept of equilibrium. Choose the statement which is FALSE A. At equilibrium the rate of change of product concentration is zero. B. As a reaction proceeds backwards toward equilibrium the forward rate rises. C. When reactants are less stable than products a reaction proceeds backwards to reach equilibrium. D. At equilibrium the rate of change of reactant concentration is zero. E. As a reaction proceeds backwards toward equilibrium the reverse rate drops.