2. Indicators are typically weak acids and the equilibrium can be described as follows: HInd+ H₂O H₂O+ + Ind- AH=-2 kJ/mol Assume that HInd is red in color and Ind- is blue in color. b) If a solution is purple (equal concentrations of the two species), what color will the solution turn when some NaOH or other strong base is added to the solution? Explain in terms of the Le Chatelier's principle. b) If a solution is purple (equal concentrations of the two species), what color will the solution turn when the system is cooled in an ice bath? Explain in terms of the Le Chatelier's principle.
2. Indicators are typically weak acids and the equilibrium can be described as follows: HInd+ H₂O H₂O+ + Ind- AH=-2 kJ/mol Assume that HInd is red in color and Ind- is blue in color. b) If a solution is purple (equal concentrations of the two species), what color will the solution turn when some NaOH or other strong base is added to the solution? Explain in terms of the Le Chatelier's principle. b) If a solution is purple (equal concentrations of the two species), what color will the solution turn when the system is cooled in an ice bath? Explain in terms of the Le Chatelier's principle.
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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I need help with both points on the question. Thanks
Transcribed Image Text:2. Indicators are typically weak acids and the equilibrium can be described as follows:
HInd+ H₂O H₂O+ + Ind-
AH-2 kJ/mol
Assume that HInd is red in color and Ind- is blue in color.
b) If a solution is purple (equal concentrations of the two species), what color will the solution turn when some NaOH
or other strong base is added to the solution? Explain in terms of the Le Chatelier's principle.
b) If a solution is purple (equal concentrations of the two species), what color will the solution turn when the system
is cooled in an ice bath? Explain in terms of the Le Chatelier's principle.
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