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For a process Delta S("total") = 0 and D...

For a process `Delta S_("total") = 0` and `Delta G = 0` was obtained. What does it mean?

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To analyze the implications of the conditions given in the question, let's break down the meanings of \( \Delta S_{\text{total}} = 0 \) and \( \Delta G = 0 \) step by step. ### Step 1: Understanding \( \Delta S_{\text{total}} = 0 \) 1. **Definition of Total Entropy Change**: The total change in entropy (\( \Delta S_{\text{total}} \)) of a system and its surroundings is a measure of the disorder or randomness in the universe. 2. **Interpretation**: When \( \Delta S_{\text{total}} = 0 \), it indicates that there is no net change in the entropy of the system and its surroundings. This typically occurs in reversible processes where the system is in a state of equilibrium.
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