Engineering Thermodynamics
Intensive property of a system is one whose value

Is not dependent on the path followed but on the state
Is dependent on the path followed and not on the state
Depends on the mass of the system, like volume
Does not depend on the mass of the system, like temperature, pressure, etc.

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Engineering Thermodynamics
An open system is one in which

Both energy and mass cross the boundaries of the system
Mass crosses the boundary but not the energy
Neither mass nor energy crosses the boundaries of the system
Mass does not cross boundaries of the system, though energy may do so

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Engineering Thermodynamics
First law of thermodynamics

All of these
Enables to determine change in internal energy of the system
Does not enable to determine change in entropy
Provides relationship between heat, work and internal energy

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