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For each of the following reactions, calculate ΔH∘rxn, ΔS∘rxn, and ΔG∘rxn at 25 ∘C. State whether...

For each of the following reactions, calculate ΔH∘rxn, ΔS∘rxn, and ΔG∘rxn at 25 ∘C. State whether or not the reaction is spontaneous. If the reaction is not spontaneous, would a change in temperature make it spontaneous? If so, should the temperature be raised or lowered from 25 ∘C?

N2(g)+O2(g)→2NO(g)

Express your answer using three significant figures.

ΔH∘rxn

ΔHrxn∘

=		 183   kJ  

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Correct

Part H

Part complete

Calculate ΔS∘rxn at 25 ∘C.

Express your answer to one decimal place.

ΔS∘rxn

ΔSrxn∘

=		 24.7   J/K  

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Correct

Part I

Calculate ΔG∘rxn at 25 ∘C.

Express your answer to one decimal place.
ΔG∘rxn =

nothing

   kJ  

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Part J

Part complete

2KClO3(s)→2KCl(s)+3O2(g)

Express your answer to one decimal place.

ΔH∘rxn

ΔHrxn∘

=		 -78.0   kJ  

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Correct

Significant Figures Feedback: Your answer −77.6 kJ was either rounded differently or used a different number of significant figures than required for this part.

Part K

Part complete

Calculate ΔS∘rxn at 25 ∘C.

Express your answer to one decimal place.

ΔS∘rxn

ΔSrxn∘

=		 494.6   J/K  

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Correct

Significant Figures Feedback: Your answer 494.0 J/K was either rounded differently or used a different number of significant figures than required for this part.

Part L

Calculate ΔG∘rxn at 25 ∘C.

Express your answer to one decimal place.
ΔG∘rxn =

nothing

   kJ  

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