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
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 0.123 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 AHIxn 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
=
VE ΑΣΦ
?
kJ/mol](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa684ef64-b106-44e3-b477-7930de74cd26%2F7d19e7b0-db27-4665-8936-e198b1af283b%2Fk7rv076_processed.png&w=3840&q=75)
Transcribed Image Text:Zinc metal reacts with hydrochloric acid according to the following balanced equation:
Zn(s) + 2HCl(aq) → ZnCl₂ (aq) + H₂(g)
When 0.123 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 AHIxn 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
=
VE ΑΣΦ
?
kJ/mol
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