#4. A coffee cup calorimeter contains 300.0 mL of hydrochloric acid solution. A piece of zinc with a mass of 9.81 grams is added and it reacts completely with the acid according to the following reaction. The temperature of the calorimeter rises from 24.05°C to 30.00°C. Zn(s) + 2 HCl(aq) -> ZnCl₂(aq) + H₂(g) (a) How much heat energy did the calorimeter gain during the reaction? (Assume the specific heat of the solution is 4.18 J/g*C) (b) Calculate the AH for this reaction in kJ/mol Zn. (Watch your signs)

#4. A coffee cup calorimeter contains 300.0 mL of hydrochloric acid solution. A piece of zinc with a mass of 9.81 grams is added and it reacts completely with the acid according to the following reaction. The temperature of the calorimeter rises from 24.05°C to 30.00°C. Zn(s) + 2 HCl(aq) -> ZnCl₂(aq) + H₂(g) (a) How much heat energy did the calorimeter gain during the reaction? (Assume the specific heat of the solution is 4.18 J/g*C) (b) Calculate the AH for this reaction in kJ/mol Zn. (Watch your signs)

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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