A closed system is one in which heat and work crosses the boundary of the system but the mass of the working substance does not crosses the boundary of the system. ?->(Show Answer!)

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1. A closed system is one in which heat and work crosses the boundary of the system but the mass of the working substance does not crosses the boundary of the system.

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1. A closed system is one in which heat and work crosses the boundary of the system but the mass of the working substance does not crosses the boundary of the system.

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