Given the following reaction and its enthalpy change, and the sign of the entropy change that you get using what you know of trends in entropy, S, when is this reaction spontaneous? 2 ClO2 (g) + 2 TiCl4 (l) → 2 TiO2 (s) + 5 Cl2 (g) Delta H = – 343.8 kJ Select one: a. This reaction is spontaneous at lower temperatures, but not at higher temperatures. b. This reaction is spontaneous at higher temperatures, but not at lower temperatures. c. This reaction is never spontaneous. d. none of these e. This reaction is spontaneous at all temperatures.
Given the following reaction and its enthalpy change, and the sign of the entropy change that you get using what you know of trends in entropy, S, when is this reaction spontaneous? 2 ClO2 (g) + 2 TiCl4 (l) → 2 TiO2 (s) + 5 Cl2 (g) Delta H = – 343.8 kJ Select one: a. This reaction is spontaneous at lower temperatures, but not at higher temperatures. b. This reaction is spontaneous at higher temperatures, but not at lower temperatures. c. This reaction is never spontaneous. d. none of these e. This reaction is spontaneous at all temperatures.
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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Given the following reaction and its enthalpy change, and the sign of the entropy change that you get using what you know of trends in entropy, S, when is this reaction spontaneous?
2 ClO2 (g) + 2 TiCl4 (l) → 2 TiO2 (s) + 5 Cl2 (g) Delta H = – 343.8 kJ
2 ClO2 (g) + 2 TiCl4 (l) → 2 TiO2 (s) + 5 Cl2 (g) Delta H = – 343.8 kJ
Select one:
a. This reaction is spontaneous at lower temperatures, but not at higher temperatures.
b. This reaction is spontaneous at higher temperatures, but not at lower temperatures.
c. This reaction is never spontaneous.
d. none of these
e. This reaction is spontaneous at all temperatures.
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