Question

a) If the difference in the Gibbs free energy ?G° is -15 kJ mol?¹ at 298 K. What is the Keq for this reaction? Do your calculation based on a value of the gas constant of R = 8.314 J K?¹ mol?¹ at 25°C. Make sure you use the appropriate units. Keq = 426 b) What is the change in entropy of the reaction if ?H° = -3.2 kJ mol?¹? Make sure to include the ALGEBRAIC SIGN in your answer. Make sure you use the appropriate units. ?S° = [ ] kJ K?¹ mol?¹

          a) If the difference in the Gibbs free energy ?G° is -15 kJ mol?¹ at 298 K. What is the Keq for this reaction?
Do your calculation based on a value of the gas constant of R = 8.314 J K?¹ mol?¹ at 25°C. Make sure you use the appropriate units.
Keq = 426
b) What is the change in entropy of the reaction if ?H° = -3.2 kJ mol?¹?
Make sure to include the ALGEBRAIC SIGN in your answer. Make sure you use the appropriate units.
?S° = [ ] kJ K?¹ mol?¹

a) If the difference in the Gibbs free energy ?G° is -15 kJ mol?¹ at 298 K. What is the Keq for this reaction?
Do your calculation based on a value of the gas constant of R = 8.314 J K?¹ mol?¹ at 25°C. Make sure you use the appropriate units.
Keq = 426
b) What is the change in entropy of the reaction if ?H° = -3.2 kJ mol?¹?
Make sure to include the ALGEBRAIC SIGN in your answer. Make sure you use the appropriate units.
?S° = [ ] kJ K?¹ mol?¹

Added by Robert H.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert Sri K

12/04/2022

Step 1

314 J K⁻¹ mol⁻¹ T = 298 K Using the formula: Keq = e^(-ΔG°/RT) Keq = e^(-(-15000)/(8.314*298)) Keq = e^(15000/(8.314*298)) Keq = e^(15000/2477.672) Keq = e^6.05 Keq ≈ 426 Therefore, **Keq = 426** Show more…

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a) If the difference in the Gibbs free energy ΔG° is -15 kJ mol⁻¹ at 298 K, what is the Keq for this reaction? Do your calculation based on a value of the gas constant R = 8.314 J K⁻¹ mol⁻¹ at 25°C. Make sure you use the appropriate units. Keq = 426. b) What is the change in entropy of the reaction if ΔH° = -3.2 kJ mol⁻¹? Make sure to include the algebraic sign in your answer. Make sure you use the appropriate units. ΔS° = ? k J K⁻¹ mol⁻¹