Zinc metal reacts with hydrochloric acid according to the following balanced equation: Zn(s) + 2HCl(aq) → ZnCl₂ (aq) + H₂(g) When 0.123 g of Zn(s) is combined with enough HCl to make 52.6 mL of solution in a coffee-cup calorimeter, all of the zinc reacts, raising the temperature of the solution from 22.4 °C to 24.6 °C. Part A Find A HIxn for this reaction as written. (Use 1.00 g/mL for the density of the solution and 4.18 J/(g. °C) as the specific heat capacity.) Express your answer in kilojoules per mole to two significant figures. ► View Available Hint(s) AHrxn = ■ —| ΑΣΦ ? kJ/mol
Zinc metal reacts with hydrochloric acid according to the following balanced equation: Zn(s) + 2HCl(aq) → ZnCl₂ (aq) + H₂(g) When 0.123 g of Zn(s) is combined with enough HCl to make 52.6 mL of solution in a coffee-cup calorimeter, all of the zinc reacts, raising the temperature of the solution from 22.4 °C to 24.6 °C. Part A Find A HIxn for this reaction as written. (Use 1.00 g/mL for the density of the solution and 4.18 J/(g. °C) as the specific heat capacity.) Express your answer in kilojoules per mole to two significant figures. ► View Available Hint(s) AHrxn = ■ —| ΑΣΦ ? kJ/mol
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter5: Thermochemistry
Section: Chapter Questions
Problem 5.62QE: A 50-mL solution of a dilute AgNO3 solution is added to 100 mL of a base solution in a coffee-cup...
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