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In thermodynamics, state variables, state parameters or thermodynamic variables describe the momentary condition of a system. Regardless of the path by which a system goes from one state to another — i.e., the sequence of intermediate states — the total change in any state variable will be the same. This means that the incremental changes in such variables are exact differentials. Below are some examples of state variables:
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Thermodynamic_variable". A list of authors is available in Wikipedia.|