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: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter17: Chemcial Thermodynamics
Section: Chapter Questions
Problem 17.65QE
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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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