Types of System
### Formula:
$$\text{Universe}=\text{System}+\text{Surroundings}$$
### Terminologies:
- Open System β System that exchanges both matter and energy with surroundings.
- Closed System β System that exchanges energy but not matter with surroundings.
- Isolated System β System that exchanges neither matter nor energy with surroundings.
### Usage:
- Used to classify thermodynamic processes.