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g)         ΔH°f, = +121.3 kJ mol–1 Cl–(aq)     ΔH°f, = –167.2 kJ mol–1 HCl(g)      ΔH°f, = –92.3 kJ mol–1  HCl(aq)    ΔH°f, = –167.2 kJ mol–1 Cl2(g)       ΔH°f, = 0 kJ mol–1  H2O(l)      ΔH°f, = –286 kJ mol–1 ClO2(g)     ΔH°f, = +102.5 kJ mol–1   Cl2O(g)     ΔH°f, = +80.3 kJ mol–1 O(g)          ΔH°f, =+249.0 kJ mol–1   H(g)          ΔH°f, =+218.2 kJ mol–1 Which material is most 'stable' at 298 K?   Question 1 options:   Cl2(g)   Cl–(aq)   Cl(g)

g)         ΔH°f, = +121.3 kJ mol–1 Cl–(aq)     ΔH°f, = –167.2 kJ mol–1 HCl(g)      ΔH°f, = –92.3 kJ mol–1  HCl(aq)    ΔH°f, = –167.2 kJ mol–1 Cl2(g)       ΔH°f, = 0 kJ mol–1  H2O(l)      ΔH°f, = –286 kJ mol–1 ClO2(g)     ΔH°f, = +102.5 kJ mol–1   Cl2O(g)     ΔH°f, = +80.3 kJ mol–1 O(g)          ΔH°f, =+249.0 kJ mol–1   H(g)          ΔH°f, =+218.2 kJ mol–1 Which material is most 'stable' at 298 K?   Question 1 options:   Cl2(g)   Cl–(aq)   Cl(g)

Chemistry: An Atoms First Approach
Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter7: Chemical Energy
Section: Chapter Questions
Problem 62E: In a coffee-cup calorimeter, 1.60 g NH4NO3 is mixed with 75.0 g water at an initial temperature of...
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Cl(g)         ΔH°f, = +121.3 kJ mol–1

Cl–(aq)     ΔH°f, = –167.2 kJ mol–1

HCl(g)      ΔH°f, = –92.3 kJ mol–1 

HCl(aq)    ΔH°f, = –167.2 kJ mol–1

Cl2(g)       ΔH°f, = 0 kJ mol–1 

H2O(l)      ΔH°f, = –286 kJ mol–1

ClO2(g)     ΔH°f, = +102.5 kJ mol–1  

Cl2O(g)     ΔH°f, = +80.3 kJ mol–1

O(g)          ΔH°f, =+249.0 kJ mol–1  

H(g)          ΔH°f, =+218.2 kJ mol–1

Which material is most 'stable' at 298 K?

 

Question 1 options:

 

Cl2(g)
 

Cl–(aq)
 

Cl(g)
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