When 1.14E-1 g of Zn(s) combines with 5.29E1 mL of HCl(aq) in a coffee cup calorimeter, all of the zinc reacts, which increases the temperature of the HCl solution from 2.34E1°C to 2.46E1 °C: Zn(s) + 2HCI(aq) → ZnCl2(aq) + H2(g) Calculate the enthalpy change of the reaction AHrxn in J/mol. (Assume the volume of the solution doesn't change, density of the solution is 1.00 g/mL and the specific heat capacity of solution is 4.184 J/g°C.)
When 1.14E-1 g of Zn(s) combines with 5.29E1 mL of HCl(aq) in a coffee cup calorimeter, all of the zinc reacts, which increases the temperature of the HCl solution from 2.34E1°C to 2.46E1 °C: Zn(s) + 2HCI(aq) → ZnCl2(aq) + H2(g) Calculate the enthalpy change of the reaction AHrxn in J/mol. (Assume the volume of the solution doesn't change, density of the solution is 1.00 g/mL and the specific heat capacity of solution is 4.184 J/g°C.)
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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Transcribed Image Text:When 1.14E-1 g of Zn(s) combines with 5.29E1 mL of HCl(aq) in a coffee cup calorimeter, all of the zinc reacts, which increases the
temperature of the HCl solution from 2.34E1 °C to 2.46E1°C:
Zn(s) + 2HCI(aq) → ZnCl2(aq) + H2(g)
Calculate the enthalpy change of the reaction AHrxn in J/mol. (Assume the volume of the solution doesn't change, density of the
solution is 1.00 g/mL and the specific heat capacity of solution is 4.184 J/g°C.)
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