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23 Nov 2019

For the following reactions, find ΔHorxn, ΔSo rxn, ΔGo rxn at 25oC andstate whether the reaction is spontaneous. If either reaction isnot spontaneous, would a change in temperature make it spontaneous?If so, should the temperature be raised or lowered from25oC?

a) NH4Cl(s) ←> HCl(g) +NH3(g)

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Nelly Stracke
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23 Nov 2019

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Related questions

For the following reactions, find ?Ho rxn, ?So rxn, ?Go rxn at 25oC and state whether the reaction is spontaneous. If either reaction is not spontaneous, would a change in temperature make it spontaneous? If so, should the temperature be raised or lowered from 25oC? A)2CH4 (g) > C2H6 (g) + H2 (g) B) 2NH3 (g) > N2H4(g) + H2(g) C)N2(g) + O2(g) > 2NO(g) D)2KClO3 (s) > 2KCl (s) + 3O2(g)

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

Part I
3H2(g) + Fe2O3(s) --> 2Fe(s) + 3H2O(g)

ΔH rxn

Part J
ΔS rxn

Part K
ΔG rxn

Part L
State whether or not the reaction in part I 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 25C?

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?2CH4(g)→C2H6(g)+H2(g), Calculate ΔS∘rxn at 25 ∘C.

2NH3(g)→N2H4(g)+H2(g) Calculate ΔS∘rxn at 25 ∘C.

N2(g)+O2(g)→2NO(g) Calculate ΔS∘rxn at 25 ∘C.

2KClO3(s)→2KCl(s)+3O2(g) Calculate ΔS∘rxn at 25 ∘C.

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