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14 Cards in this Set

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