Term
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Definition
| whole system in reference to an outside source. (KE or PE) |
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Definition
| Energy related to the molecular structure and activity. |
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Definition
| Closed system that has constant velocity, elevation and center of gravity. (change in E = Change in U) |
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Definition
| Internal energy associated with the phase of the system. |
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Term
| Closed Systems energy interaction |
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Definition
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Definition
| A process in which there is no heat transfer |
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Definition
| energy transfer from energetic particles to less energetic particles. |
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Definition
| energy transfer between a solid and a contact fluid in motion. |
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Definition
| energy transfer due to emission of electromagnetic waves |
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Term
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Definition
| The change in internal energy for a system is equal to the heat added to the system minus the work done by the system |
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Definition
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Term
| Closed System (control mass) |
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Definition
fixed mass no mass transfer |
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Term
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Definition
Fixed mass No mass transfer No energy transfer |
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Term
| Open system (control volume) |
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Definition
| Allows mass and energy transfer |
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Term
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Definition
| independent of mass (quantity) |
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Term
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Definition
properties that depend on size
mass, volume, momentum |
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Term
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Definition
the number of properties required to fix a state
simple compressible system is specified by two independent intensive properties. |
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Term
| quasi static (quasi equilibrium) |
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Definition
| remains close to equilibrium throughout process. |
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Term
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Definition
| If A is thermally equal to B and B is thermally equal to C then A and C are thermally equal. |
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Term
| Thermodynamic equilibrium |
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Definition
| maintains thermal,mechanical, chemical and phase equilibrium |
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Term
| Compressed liquid (sub-cooled liquid) |
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Definition
| liquid is not about to vaporize |
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Term
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Definition
| A liquid that is about to vaporize |
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Term
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Definition
| A vapor that is about to condense |
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Term
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Definition
| a vapor that is not about to condense |
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Term
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Definition
| the temp. at which a pure substance changes phase at a given pressure |
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Term
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Definition
| The pressure at which a pure substance changes phase at a given temperature |
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Term
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Definition
| amount of heat absorbed or released during a phase change. |
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Term
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Definition
| saturated liquid and saturated vapor states are identical. |
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Term
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Definition
| the amount of energy needed to vaporize a unit mass of saturated liquid at a given temp. or pressure. |
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Term
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Definition
| mass of vapor / total mass of mixture |
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