For independent processes at 300 K:

| Process | | |
|---------|------|------|
| A | −25 | −80 |
| B | −22 | 40 |
| C | 25 | −50 |
| D | 22 | 20 |

Number of non-spontaneous processes is .

Question

For independent processes at 300 K:

| Process |  |  |
|---------|------|------|
| A | −25 | −80 |
| B | −22 | 40 |
| C | 25 | −50 |
| D | 22 | 20 |

Number of non-spontaneous processes is .

Canvas Classes · Accepted Answer

Strategy:
 Spontaneity is determined by the sign of . A process is non-spontaneous if .

Step 1: Evaluate each process at 300 K
- A:  (Spontaneous).
- B:  (Spontaneous).
- C:  (Non-spontaneous).
- D:  (Non-spontaneous).

Step 2: Counting
Processes C and D are non-spontaneous. Total .

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