Calculate the heat change (AHrxn) for the slow reaction of zinc with water Zn(s) + 2H₂0 (1) H₂(g) using data from the following reactions and applying Hess's law. H+ (aq) + OH(aq) → H₂O(1) - 56.0 kJ Zn(s) Zn²+ (aq) H(aq) → 1st attempt Zn²+ AH rxn= (aq) + 2OH(aq) + H₂(g) kJ ΔΗ rxn1 AHº rxn2 ΔΗ rxn3 = - 153.9 kJ 0.0 kJ
Calculate the heat change (AHrxn) for the slow reaction of zinc with water Zn(s) + 2H₂0 (1) H₂(g) using data from the following reactions and applying Hess's law. H+ (aq) + OH(aq) → H₂O(1) - 56.0 kJ Zn(s) Zn²+ (aq) H(aq) → 1st attempt Zn²+ AH rxn= (aq) + 2OH(aq) + H₂(g) kJ ΔΗ rxn1 AHº rxn2 ΔΗ rxn3 = - 153.9 kJ 0.0 kJ
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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![Calculate the heat change (AHrxn) for the slow reaction of zinc with water
Zn(s) + 2H₂O(1)
Zn(s)
1/7H₂ (8)
→
using data from the following reactions and applying Hess's law.
AHxn1
= -56.0 kJ
H(aq) + OH(aq)
H₂O(1)
AHº
1st attempt
AHxn=
Zn2+
Zn²+ (aq)
2+
H+ (aq)
(aq) + 2OH(aq) + H₂(g)
kJ
= - 153.9 kJ
rxn2
ΔΗ = 0.0 kJ
rxn3
.See Periodic Table
See Hint](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Feac4d301-280e-44a9-9b77-05aa59bdadf8%2F76168537-2964-49f7-b48b-3e30c76e7e57%2Fzottc2v_processed.png&w=3840&q=75)
Transcribed Image Text:Calculate the heat change (AHrxn) for the slow reaction of zinc with water
Zn(s) + 2H₂O(1)
Zn(s)
1/7H₂ (8)
→
using data from the following reactions and applying Hess's law.
AHxn1
= -56.0 kJ
H(aq) + OH(aq)
H₂O(1)
AHº
1st attempt
AHxn=
Zn2+
Zn²+ (aq)
2+
H+ (aq)
(aq) + 2OH(aq) + H₂(g)
kJ
= - 153.9 kJ
rxn2
ΔΗ = 0.0 kJ
rxn3
.See Periodic Table
See Hint
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