Classify the possible combinations of signs for a reaction's Δ? and ΔS values by the resulting spontaneity. Spontaneous as written at all temperatures Δ?=−ΔH=− Δ?=+ΔS=+ Spontaneous in reverse at all temperatures Δ?=+ΔH=+ Δ?=+ΔS=+ Spontaneous as written above a certain temperature Δ?=−ΔH=− Δ?=−ΔS=− Spontaneous as written below a certain temperature
Classify the possible combinations of signs for a reaction's Δ? and ΔS values by the resulting spontaneity. Spontaneous as written at all temperatures Δ?=−ΔH=− Δ?=+ΔS=+ Spontaneous in reverse at all temperatures Δ?=+ΔH=+ Δ?=+ΔS=+ Spontaneous as written above a certain temperature Δ?=−ΔH=− Δ?=−ΔS=− Spontaneous as written below a certain temperature
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter10: Entropy And The Second Law Of Thermodynamics
Section: Chapter Questions
Problem 10.50PAE: For the reaction NO(g)+NO2(g)N2O3(g) , use tabulated thermodynamic data to calculate H and S. Then...
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Classify the possible combinations of signs for a reaction's Δ? and ΔS values by the resulting spontaneity.
Spontaneous as written at all temperatures
Δ?=−ΔH=−
Δ?=+ΔS=+
Δ?=+ΔS=+
Spontaneous in reverse at all temperatures
Δ?=+ΔH=+
Δ?=+ΔS=+
Δ?=+ΔS=+
Spontaneous as written above a certain temperature
Δ?=−ΔH=−
Δ?=−ΔS=−
Δ?=−ΔS=−
Spontaneous as written below a certain temperature
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