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    To determine effect of entropy

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    A process run infinitesimally slowly at equilibrium and reversed to its original state

    Motion of a frictionless pendulum

    Evaporation of water from a cup

    Solid and liquid water combined together at STP

    Ice melting to water above the melting point

    Isothermal expansion of a real gas

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    Part B: Classify each process by its individual effect on the entropy of the universe S.

    Does not effect the S of the universe.
    A process run infinitesimally slowly at equilibrium and reversed to its original state
    ...

    Solution Summary

    The solution explains the effect on entropy of the universe for the given processes.

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