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

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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
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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