In Part A, we saw that ΔG∘=−242.1 kJ for the hydrogenation of acetylene under standard conditions (all pressures equal to 1 atm and the common reference temperature 298 K). In Part B, you will determine the ΔG for the reaction under a given set of nonstandard conditions. C2H2(g)+2H2(g)⇌C2H6(g) At 25 ∘C the reaction from Part A has a composition as shown in the table below. Substance Pressure (atm) C2H2(g) 5.15 H2(g) 4.25 C2H6(g) 5.25×10−2 What is the free energy change, ΔG Express your answer numerically in kilojoules.
In Part A, we saw that ΔG∘=−242.1 kJ for the hydrogenation of acetylene under standard conditions (all pressures equal to 1 atm and the common reference temperature 298 K). In Part B, you will determine the ΔG for the reaction under a given set of nonstandard conditions. C2H2(g)+2H2(g)⇌C2H6(g) At 25 ∘C the reaction from Part A has a composition as shown in the table below. Substance Pressure (atm) C2H2(g) 5.15 H2(g) 4.25 C2H6(g) 5.25×10−2 What is the free energy change, ΔG Express your answer numerically in kilojoules.
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 70QRT: Use the data in Appendix J to calculate rG andKPat 25 C for the reaction 2HBr(g)+Cl2(g)2HCl(g)+Br2()...
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In Part A, we saw that ΔG∘=−242.1 kJ for the hydrogenation of acetylene under standard conditions (all pressures equal to 1 atm and the common reference temperature 298 K). In Part B, you will determine the ΔG for the reaction under a given set of nonstandard conditions.
C2H2(g)+2H2(g)⇌C2H6(g)
At 25 ∘C the reaction from Part A has a composition as shown in the table below.
| Substance | Pressure (atm) |
| C2H2(g) | 5.15 |
| H2(g) | 4.25 |
| C2H6(g) | 5.25×10−2 |
What is the free energy change, ΔG
Express your answer numerically in kilojoules.
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