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Good Question!!
In Chemistery: IUPAC gave sign convention acc. to which work done by system(Expansion Vf>Vi) is -(ve) and vice versa. And accordingly they have equation as dU=q w
6 years ago
by
ayush raj
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dU=q w reason is when work is done on system internal energy of system increases. So that's only a different way of writing same thing with different concern.
6 years ago
by
ayush raj
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TO SHOW THE UNIQUENESS....To show their different way of thinking....Simple
2 years ago
by
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