Thermodynamic system
from class:
College Physics III – Thermodynamics, Electricity, and Magnetism
Definition
A thermodynamic system is a specific portion of matter or a region in space chosen for analysis, where energy exchanges with its surroundings are studied. It can be isolated, closed, or open depending on the nature of the exchange.
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5 Must Know Facts For Your Next Test
- An isolated system cannot exchange neither matter nor energy with its surroundings.
- A closed system can exchange energy but not matter with its surroundings.
- An open system can exchange both matter and energy with its surroundings.
- The first law of thermodynamics applies to all types of thermodynamic systems and states that energy cannot be created or destroyed, only transferred or transformed.
- State functions like internal energy, enthalpy, and entropy describe the properties of a thermodynamic system.
Review Questions
- What distinguishes an isolated system from a closed system?
- How does the first law of thermodynamics apply to a closed system?
- Define state functions and give three examples relevant to thermodynamic systems.
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