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Zinc metal reacts with hydrochloric acid according to the following balanced equation. Zn(s) + 2HCl(aq) -> ZnCl2(aq) + H2(g) When 0.104g of Zn(s) is combined with enough HCI to make 54.5 mL of solution in a coffee - cup calorimeter, all of the zinc reacts, raising the temperature of the solution from 22.4 Celcius to 24.7 Celcius. Find the delta Hrxn (in kJ/mol) for this reaction as written. (Use 1.0g/mL for the density of the solution and 4.18 J/g *Celcius as the specific heat capacity.)

Zinc metal reacts with hydrochloric acid according to the following balanced equation. Zn(s) + 2HCl(aq) -> ZnCl2(aq) + H2(g) When 0.104g of Zn(s) is combined with enough HCI to make 54.5 mL of solution in a coffee - cup calorimeter, all of the zinc reacts, raising the temperature of the solution from 22.4 Celcius to 24.7 Celcius. Find the delta Hrxn (in kJ/mol) for this reaction as written. (Use 1.0g/mL for the density of the solution and 4.18 J/g *Celcius as the specific heat capacity.)

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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Zinc metal reacts with hydrochloric acid according to the following balanced equation. Zn(s) + 2HCl(aq) -> ZnCl2(aq) + H2(g) When 0.104g of Zn(s) is combined with enough HCI to make 54.5 mL of solution in a coffee - cup calorimeter, all of the zinc reacts, raising the temperature of the solution from 22.4 Celcius to 24.7 Celcius. Find the delta Hrxn (in kJ/mol) for this reaction as written. (Use 1.0g/mL for the density of the solution and 4.18 J/g *Celcius as the specific heat capacity.)
Transcribed Image Text:Zinc metal reacts with hydrochloric acid according to the following balanced equation. Zn(s) + 2HCl(aq) -> ZnCl2(aq) + H2(g) When 0.104g of Zn(s) is combined with enough HCI to make 54.5 mL of solution in a coffee - cup calorimeter, all of the zinc reacts, raising the temperature of the solution from 22.4 Celcius to 24.7 Celcius. Find the delta Hrxn (in kJ/mol) for this reaction as written. (Use 1.0g/mL for the density of the solution and 4.18 J/g *Celcius as the specific heat capacity.)
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