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: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter4: Energy And Chemical Reactions

Section4.8: Measuring Reaction Enthalpies: Calorimetry

Problem 4.17E

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