Consider the reactions below. In which cases is product formation favored by decreased temperature? 1) CO(g) + 3 H2(g) ⇌ CH4(g) + H2O(g); ΔHo = -206.2 kJ 2) CO2(g) + C(s) ⇌ 2 CO(g); ΔHo = 172.5 kJ 3) H2(g) + I2(g) ⇌2 HI(g); ΔHo = -9.4 kJ 4) 3 O2(g) ⇌ 2 O3(g); ΔHo = 285 kJ 5) 2 H2O(g) ⇌ 2 H2(g) + O2(g); ΔHo = 484.6 kJ
Consider the reactions below. In which cases is product formation favored by decreased temperature? 1) CO(g) + 3 H2(g) ⇌ CH4(g) + H2O(g); ΔHo = -206.2 kJ 2) CO2(g) + C(s) ⇌ 2 CO(g); ΔHo = 172.5 kJ 3) H2(g) + I2(g) ⇌2 HI(g); ΔHo = -9.4 kJ 4) 3 O2(g) ⇌ 2 O3(g); ΔHo = 285 kJ 5) 2 H2O(g) ⇌ 2 H2(g) + O2(g); ΔHo = 484.6 kJ
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter16: Thermodynamics: Directionality Of Chemical Reactions
Section: Chapter Questions
Problem 72QRT
Related questions
Question
Consider the reactions below. In which cases is product formation favored by decreased temperature?
1) CO(g) + 3 H2(g) ⇌ CH4(g) + H2O(g); ΔHo = -206.2 kJ
2) CO2(g) + C(s) ⇌ 2 CO(g); ΔHo = 172.5 kJ
3) H2(g) + I2(g) ⇌2 HI(g); ΔHo = -9.4 kJ
4) 3 O2(g) ⇌ 2 O3(g); ΔHo = 285 kJ
5) 2 H2O(g) ⇌ 2 H2(g) + O2(g); ΔHo = 484.6 kJ
Group of answer choices
a.3, 5
b.1, 3
c.1, 4
d.2, 4, 5
e.1, 2, 5
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