Indicate which of the four cases below applies to the following four reactions (a through d) by writing 1, 2, 3, or 4 after each letter Spontaneous at all temperatures. Spontaneous above a certain temperature. Spontaneous below a certain temperature. Non-spontaneous at all temperatures. a) PCl3(g) + Cl2(g) ↔ PCl2(g) ΔH° = -87 KJ b) CH4(g) + 2 O2(g) ↔ CO2(g) + 2 H2O(g) ΔH° = +41 KJ c) 2 NH3(g) → N2(g) + 3 H2(g) ΔH° = +160 KJ d) Mg(s) + 2 HCl(aq) → MgCl2(aq) + H2(g) ΔH° = -462 KJ please write which number they classify as
Indicate which of the four cases below applies to the following four reactions (a through d) by writing 1, 2, 3, or 4 after each letter Spontaneous at all temperatures. Spontaneous above a certain temperature. Spontaneous below a certain temperature. Non-spontaneous at all temperatures. a) PCl3(g) + Cl2(g) ↔ PCl2(g) ΔH° = -87 KJ b) CH4(g) + 2 O2(g) ↔ CO2(g) + 2 H2O(g) ΔH° = +41 KJ c) 2 NH3(g) → N2(g) + 3 H2(g) ΔH° = +160 KJ d) Mg(s) + 2 HCl(aq) → MgCl2(aq) + H2(g) ΔH° = -462 KJ please write which number they classify as
Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter18: Principles Of Chemical Reactivity: Entropy And Free Energy
Section: Chapter Questions
Problem 24PS: Determine whether the reactions listed below are entropy-favored or disfavored under standard...
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Indicate which of the four cases below applies to the following four reactions (a through d) by writing 1, 2, 3, or 4 after each letter
- Spontaneous at all temperatures.
- Spontaneous above a certain temperature.
- Spontaneous below a certain temperature.
- Non-spontaneous at all temperatures.
a) PCl3(g) + Cl2(g) ↔ PCl2(g) ΔH° = -87 KJ
b) CH4(g) + 2 O2(g) ↔ CO2(g) + 2 H2O(g) ΔH° = +41 KJ
c) 2 NH3(g) → N2(g) + 3 H2(g) ΔH° = +160 KJ
d) Mg(s) + 2 HCl(aq) → MgCl2(aq) + H2(g) ΔH° = -462 KJ
please write which number they classify as
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