What positive value of Q and positive value of W represents in the first law of
Answer to Problem 1FC
Positive value of Q represents the (c) system gains heat and positive value of W represents the work is done by the system.
Explanation of Solution
The expression of the first law of thermodynamics is,
Whenever the system gains the heat, the value of Q is positive. Similarly, the value of Q is negative whenever the system loses the heat.
If the work is done by the system, the value of W is positive. Similarly, the value of W is negative when the work is done on the system.
Conclusion:
Hence, the positive value of Q represents the (c) system gains heat and positive value of W represents the work is done by the system.
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