N2(8) + 3F2(g) → 2NF3(g) N2(g) + 3C12(g) → 2NC13(g) AH° = 460 kJ AS® = -275 J/K N2F4(g) → 2NF2(g) AH° = 85 kJ As° = 198 J/K AH° = -249 kJ As° = -278 J/K Spontaneous at low temperatures and nonspontaneous at high temperatures ontaneous at all Nonspontaneous at all temperatures Spontaneous a temperatures nonspontaneous temperature emperatures
N2(8) + 3F2(g) → 2NF3(g) N2(g) + 3C12(g) → 2NC13(g) AH° = 460 kJ AS® = -275 J/K N2F4(g) → 2NF2(g) AH° = 85 kJ As° = 198 J/K AH° = -249 kJ As° = -278 J/K Spontaneous at low temperatures and nonspontaneous at high temperatures ontaneous at all Nonspontaneous at all temperatures Spontaneous a temperatures nonspontaneous temperature emperatures
Chemistry: An Atoms First Approach
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Chapter7: Chemical Energy
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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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Question
![16.17
N2(8) + 3F2(g) → 2NF3(g)
ΔΗ
AS° = -278 J/K
N2(g) + 3C12(g) → 2NC13(g)
N2F1(8) → 2NF2(g)
ΔΗ85 kJ
As° = 198 J/K
-249 kJ
AH° = 460 kJ
AS° = -275 J/K
Spontaneous at all
Nonspontaneous at all
Spontaneous at low
temperatures and
nonspontaneous at high
temperatures
Spontaneous at high
temperatures and
nonspontaneous at low
temperatures
temperatures
temperatures
B. At what temperature (if any) would the decomposition of POCI3 become spontaneous?
Express the temperature in kelvins to three significant digits. If there is no answer, enter none.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb65fd4d3-1af8-40a5-bea2-dc7b2e2e6d47%2F9eda4812-b78c-4b7d-89c7-ef3d0869caed%2F689z5k_processed.png&w=3840&q=75)
Transcribed Image Text:16.17
N2(8) + 3F2(g) → 2NF3(g)
ΔΗ
AS° = -278 J/K
N2(g) + 3C12(g) → 2NC13(g)
N2F1(8) → 2NF2(g)
ΔΗ85 kJ
As° = 198 J/K
-249 kJ
AH° = 460 kJ
AS° = -275 J/K
Spontaneous at all
Nonspontaneous at all
Spontaneous at low
temperatures and
nonspontaneous at high
temperatures
Spontaneous at high
temperatures and
nonspontaneous at low
temperatures
temperatures
temperatures
B. At what temperature (if any) would the decomposition of POCI3 become spontaneous?
Express the temperature in kelvins to three significant digits. If there is no answer, enter none.
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