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  • Path function: Their magnitudes depend on the path followed during a process as well as the end states. Work (W), heat (Q) are path functions.
  • The cyclic integral of a path function is non-zero. work and heat are path functions.
  • Point Function: They depend on the state only, and not on how a system reaches that state. All properties are point functions.
  • The cyclic integral of a point function is zero. properties are point functions, (ie pressure,volume,temperature and entropy).
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Q: What is difference between path function and point function in thermodyanaMICS?
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