Thermodynamic System
A thermodynamic system is a specified quantity of matter or region in space selected for study.
### Terminologies
- System → Part of universe under observation.
- Surroundings → Everything outside the system.
- Boundary → Separation between system and surroundings.
### Types of Systems
## Open System
$$Energy+Matter\ exchange$$
## Closed System
$$Energy\ exchange\ only$$
## Isolated System
$$No\ energy\ or\ matter\ exchange$$
### Usage
- Used to analyze heat, work, and energy transfer.