The accompanying diagram shows how Δ H (red line) and T Δ S (blue line) change with temperature

Name: The accompanying diagram shows how Δ H (red line) and T Δ S (blue line) change with temperature for a hypothetical reaction. (a) What is the significance of the point at 300 K, where Δ H and T Δ S are equal? (b) In what temperature range is this reaction spontaneous? [Section 19.6]
Uploaded: 2023-03-13T12:01:30-08:00
Duration: 3 min 5 s
Channel: Madhur L
Description: The accompanying diagram shows how Δ H (red line) and T Δ S (blue line) change with temperature for a hypothetical reaction. (a) What is the significance of the point at 300 K, where Δ H and T Δ S are equal? (b) In what temperature range is this reaction spontaneous? [Section 19.6]

(a) At the point where $Delta H$ and $T Delta S$ are equal, we have $Delta H = T Delta S$. A

Question

The accompanying diagram shows how $\Delta H$ (red line) and $T \Delta S$ (blue line) change with temperature for a hypothetical reaction. (a) What is the significance of the point at $300 \mathrm{K},$ where $\Delta H$ and $T \Delta S$ are equal? (b) In what temperature range is this reaction spontaneous? [Section 19.6]

          The accompanying diagram shows how $\Delta H$ (red line) and $T \Delta S$ (blue line) change with temperature for a hypothetical reaction. (a) What is the significance of the point at $300 \mathrm{K},$ where $\Delta H$ and $T \Delta S$ are equal? (b) In what temperature range is this reaction spontaneous? [Section 19.6]

Added by Brittany A.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert Madhur L

03/13/2023

Step 1

According to the Gibbs free energy equation, $\Delta G = \Delta H - T \Delta S$. So at this point, we have: $\Delta G = \Delta H - T \Delta S = 0$ This means that at $300 \mathrm{K}$, the reaction is at equilibrium, and there is no net change in the Show more…

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The accompanying diagram shows how $\Delta H$ (red line) and $T \Delta S$ (blue line) change with temperature for a hypothetical reaction. (a) What is the significance of the point at $300 \mathrm{K},$ where $\Delta H$ and $T \Delta S$ are equal? (b) In what temperature range is this reaction spontaneous? [Section 19.6]