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14 Cards in this Set
- Front
- Back
System
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what we want to study
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Surroundings
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everything external to the system
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Boundary
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distinguishes system from its surroundings
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Closed System
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always contains the same matter
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isolated system
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does not interact with surroundings
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Open System
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also control volume mass transfer over boundary
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Property
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characteristic of a system which numerical value can be assigned (mass volume energy)
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Extensive Property
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Value is sum of parts
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Intensive Property
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value is not additive may vary place to place within system
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State
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specified by combination of properties
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Process
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transformation on state to another
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Phase
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quantity of matter that is homogenous throughout chemical composition and physical structure
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R(bar)
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8.314 J/mol K
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Hp
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745.7 watts
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