What are the Sign conventions uses of heat and work ?

1.	What are the Sign conventions uses of heat and work ?
Answer» Sign conventions used: (i) Heat absorbed by a system is positive. Heat given out by system is negative. (ii) Work done by a system is positive. Work done on a system is negative. (iii)The increase in internal energy of a system is positive. The decrease in internal energy of a system is negative.

Answer»

Sign conventions used:

(i) Heat absorbed by a system is positive. Heat given out by system is negative.

(ii) Work done by a system is positive. Work done on a system is negative.

(iii)The increase in internal energy of a system is positive. The decrease in internal energy of a system is negative.

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What are the Sign conventions uses of heat and work ?

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