What describes a solution that contains a system at equilibrium? One in which the color of the solution is changing slowly, or one in which the color is not changing. The following equilibrium is established when copper ions and bromide ions are placed in solution. The tube on the left contains only copper sulfate dissolved in solution. The tube on the right is the result of adding some potassium bromide (KBr) solution. Given that the Cu(H2O)62+ ion is blue and that the CuBr42-ion is green; a. What happened to the concentration of each of the ions when the KBr was added? b. Explain why the solution changed in color. c. Would the tube feel hot or cold when the KBr was added? 2-ne iad 2+heat + Cu(H20)62-(aq) + 4 Br- (aq) = 6 H20 (1) + CuBr4(aq)

Two questions based on equilibrium concept, which are to be accomplished.

Answered: What describes a solution that contains…

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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What describes a solution that contains a system at equilibrium? One in which the color of the solution is changing slowly, or one in which the color is not changing.
The following equilibrium is established when copper ions and bromide ions are placed in solution.

The tube on the left contains only copper sulfate dissolved in solution. The tube on the right is the result of adding some potassium bromide (KBr) solution.

Given that the Cu(H₂O)₆²⁺ ion is blue and that the CuBr₄^2-ion is green;
a. What happened to the concentration of each of the ions when the KBr was added?
b. Explain why the solution changed in color.
c. Would the tube feel hot or cold when the KBr was added?

2+
heat + Cu(H20)6
2-
(aq) + 4 Br- (aq) = 6 H20 (1) + CuBr4
(aq)

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