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A reaction A(aq)+B(aq) = C(aq) as a standard free-energy change of -4.18 kJ/mol at 25 °C. Vhat are the concentrations of A, B, and C at equilibrium if, at the beginning of the reaction, their concentrations are .30 M, 0.40 M, and 0 M, respectively? A] = B] = C] = How would your answers change if the reaction had a standard free-energy change of +4.18 kJ/mol? There would be no change to the answers. There would be less A and B but more C. O All concentrations would be lower. There would be more A and B but less C. All concentrations would be higher.

A reaction A(aq)+B(aq) = C(aq) as a standard free-energy change of -4.18 kJ/mol at 25 °C. Vhat are the concentrations of A, B, and C at equilibrium if, at the beginning of the reaction, their concentrations are .30 M, 0.40 M, and 0 M, respectively? A] = B] = C] = How would your answers change if the reaction had a standard free-energy change of +4.18 kJ/mol? There would be no change to the answers. There would be less A and B but more C. O All concentrations would be lower. There would be more A and B but less C. All concentrations would be higher.

General Chemistry - Standalone book (MindTap Course List)
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter18: Thermodynamics And Equilibrium
Section: Chapter Questions
Problem 18.107QP
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A reaction A(aq)+B(aq) = C(aq) has a standard free-energy change of –4.18 kJ/mol at 25 °C. What are the concentrations of A, B, and C at equilibrium if, at the beginning of the reaction, their concentrations are 0.30 M, 0.40 M, and 0 M, respectively? [A] = M [B] = M [C] = M How would your answers change if the reaction had a standard free-energy change of +4.18 kJ/mol? There would be no change to the answers. There would be less A and B but more C. All concentrations would be lower. There would be more A and B but less C. All concentrations would be higher.
Transcribed Image Text:A reaction A(aq)+B(aq) = C(aq) has a standard free-energy change of –4.18 kJ/mol at 25 °C. What are the concentrations of A, B, and C at equilibrium if, at the beginning of the reaction, their concentrations are 0.30 M, 0.40 M, and 0 M, respectively? [A] = M [B] = M [C] = M How would your answers change if the reaction had a standard free-energy change of +4.18 kJ/mol? There would be no change to the answers. There would be less A and B but more C. All concentrations would be lower. There would be more A and B but less C. All concentrations would be higher.
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