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c. Draw a reaction diagram for the reaction between C27H29OSS and NH4CI. Label the enthalpy, activation energy, reactants and products.

c. Draw a reaction diagram for the reaction between C27H29OSS and NH4CI. Label the enthalpy, activation energy, reactants and products.

Chemistry
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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Please answer number 3c
3. The reversible reaction of thymol blue with ammonium chloride is shown in the image below. In this reaction C27H29O$S" (which is yellow when dissolved in water) reacts with NH4CI to produce C27H29O5SH (which is blue when dissolved in water) and NH3 (aq). When the reaction is at equilibrium the solution is a green color. C27H2905S- (aq) + NH,CI (aq) → C2,H29O5SH (aq) + NH3 (aq) Yellow Blue Reaction after it reaches equilibrium appears Green a. Why is the solution green at equilibrium? Answer this question in a complete sentence that demonstrates your understanding of equilibrium. because at eaui irbrium b. When the reaction is heated the reaction changes color, becoming green-blue, and after 5 minutes of heating it becomes dark blue. Is the reaction endothermic or exothermic? Use Le-Chatlier's principle to explain how you arrived at your answer. Your response should be formatted as complete sentences in paragraph format. c. Draw a reaction diagram for the reaction between C27H29OSS¯ and NH4CI. Label the enthalpy, activation energy, reactants and products. d. Make a prediction for each of the following disturbances to equilibrium for the reaction between C27H29OSS and NH4CI. Assume the reaction mixture is at equilibrium, appearing green in color, and at room temperature before each of the following disturbances. Explain which direction the reaction shifts to re-establish equilibrium and predict how the color of the solution will change. i. 1.0 g of the aqueous salt ammonium chloride, NH4CI, is added to the solution. ii. Solid platinum, Pt, is added to the reaction mixture. It settles to the bottom of the test tube and reacts with NH3 to form N2 and H2 gasses, which bubble and leave the solution as they are formed.
Transcribed Image Text:3. The reversible reaction of thymol blue with ammonium chloride is shown in the image below. In this reaction C27H29O$S" (which is yellow when dissolved in water) reacts with NH4CI to produce C27H29O5SH (which is blue when dissolved in water) and NH3 (aq). When the reaction is at equilibrium the solution is a green color. C27H2905S- (aq) + NH,CI (aq) → C2,H29O5SH (aq) + NH3 (aq) Yellow Blue Reaction after it reaches equilibrium appears Green a. Why is the solution green at equilibrium? Answer this question in a complete sentence that demonstrates your understanding of equilibrium. because at eaui irbrium b. When the reaction is heated the reaction changes color, becoming green-blue, and after 5 minutes of heating it becomes dark blue. Is the reaction endothermic or exothermic? Use Le-Chatlier's principle to explain how you arrived at your answer. Your response should be formatted as complete sentences in paragraph format. c. Draw a reaction diagram for the reaction between C27H29OSS¯ and NH4CI. Label the enthalpy, activation energy, reactants and products. d. Make a prediction for each of the following disturbances to equilibrium for the reaction between C27H29OSS and NH4CI. Assume the reaction mixture is at equilibrium, appearing green in color, and at room temperature before each of the following disturbances. Explain which direction the reaction shifts to re-establish equilibrium and predict how the color of the solution will change. i. 1.0 g of the aqueous salt ammonium chloride, NH4CI, is added to the solution. ii. Solid platinum, Pt, is added to the reaction mixture. It settles to the bottom of the test tube and reacts with NH3 to form N2 and H2 gasses, which bubble and leave the solution as they are formed.
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