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11 Cards in this Set
- Front
- Back
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Open system |
Mass can flow in or out of system |
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Closed system |
Mass is not flowing |
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Properties |
Physical activities that are used to describe a system |
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Intensive properties |
Values don't depend on mass of system |
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Extensive properties |
Values depend on mass of system |
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State of a system |
When you know values of all properties of the system |
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State variable |
Variable whose only value depends on the state of the system |
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Path variable |
Its value depends on the state and how its changing |
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Examples of Path variables |
Work, heat |
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Ex. State variables |
Temp, pressure, volume, density, energy |
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Ex. Extensive Properties |
Volume, energy |
