Property, State, Process and Equilibrium

A property is the observable characteristic of a system such as temperature, pressure and density.

A state is the condition of the system defined by properties.

A process is transformation of the system from one state to another.

A thermodynamic cycle is a process that begins and ends at the same state.

Property, State, Process and Equilibrium

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Pressure-volume-temperature surface for a substance that expands on freezing

Property, State, Process and Equilibrium

Property, State, Process and EquilibriumV

Gas

Property, State, Process and Equilibrium

Critical Point

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