Question

Which statement describes a reaction at 298 K if Î”H = 31 kJ/mol, Î”S = 0.093 kJ/(mol-K)? A. Gibbs free energy is negative. B. It is at equilibrium. C. It is exothermic. D. It is not spontaneous.

Name: which statement describes a reaction at 298 k if ah 31 kjmol as 0093 kjmol k o a gibbs free energy is negative b it is at equilibrium c it is exothermic d it is not spontaneous 68526
Uploaded: 2023-07-27T11:00:41-08:00
Duration: 2 min 25 s
Channel: Sri K
Description: which statement describes a reaction at 298 k if ah 31 kjmol as 0093 kjmol k o a gibbs free energy is negative b it is at equilibrium c it is exothermic d it is not spontaneous 68526

          Which statement describes a reaction at 298 K if Î”H = 31 kJ/mol, Î”S = 0.093 kJ/(mol-K)?
A. Gibbs free energy is negative.
B. It is at equilibrium.
C. It is exothermic.
D. It is not spontaneous.

Added by Gabrielle L.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert Sri K

07/27/2023

Step 1

Given: ΔH = 31 kJ/mol ΔS = 0.093 kJ/(mol-K) T = 298 K Now, let's calculate ΔG: ΔG = 31 kJ/mol - (298 K * 0.093 kJ/(mol-K)) ΔG = 31 kJ/mol - 27.714 kJ/mol ΔG = 3.286 kJ/mol Since ΔG is positive, the reaction is not spontaneous. Show more…

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Which statement describes a reaction at 298 K if Î”H = 31 kJ/mol, Î”S = 0.093 kJ/(mol-K)? A. Gibbs free energy is negative. B. It is at equilibrium. C. It is exothermic. D. It is not spontaneous.