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An open system is one in which. | |
A. | heat and work crosses the boundary of the system, but the mass of the working substance does not crosses the boundary of the system [Wrong Answer] |
B. | mass of the working substance crosses the boundary of the system but the heat and work does not crosses the boundary of the system [Wrong Answer] |
C. | both the heat and work as well as mass of the working substance crosses the boundary of the system [Correct Answer] |
D. | neither the heat and work nor the mass of the working substance crosses the boundary of the system [Wrong Answer] |