Spontaneity Based on Ξ”H and Ξ”S

Rarely Tested

Spontaneity Based on Ξ”H and Ξ”S

### Formula:

$$\Delta H<0,\Delta S>0\Rightarrow \Delta G<0$$

### Terminologies:

- Ξ”H β†’ Enthalpy change.

- Ξ”S β†’ Entropy change.

- Ξ”G β†’ Gibbs free energy change.

### Usage:

- Used to identify reactions that are spontaneous at all temperatures.

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