Sign Convention of Work

Rarely Tested

Sign Convention of Work

### Formula:

$$w=-P_{ext}\Delta V$$

### Terminologies:

- Positive Work (+w) β†’ Work done on the system.

- Negative Work (-w) β†’ Work done by the system.

- Ξ”V β†’ Change in volume.

### Usage:

- Used to determine sign of work in thermodynamic calculations.

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