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How does the sign of $\Delta G$ determine the direction of a process?
Step 1
The sign of $\Delta G$ determines whether a process is spontaneous or non-spontaneous. Show more…
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What does the sign of $\Delta G$ tell you about the spontaneity of a process?
Explain how $\Delta G^{\circ}$ can be used to decide whether a chemical equation is spontaneous in the direction written.
(a) What are the signs of $\Delta S$ and $\Delta H$ for the process depicted to the right? (b) How might temperature affect the sign of $\Delta G$ ? (c) If energy can flow in and out of the system to maintain a constant temperature during the process, what can you say about the entropy change of the surroundings as a result of this process? [Sections $19.2$ and $19.5]$
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