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maaham
maaham maaham
  • 11-07-2016
  • Chemistry
Answered

work done by a system is positive or negative?

Verified Answer :

Intentionalfauxpas
Intentionalfauxpas Intentionalfauxpas
  • 11-07-2016

The internal energy has the symbol U. Q is positive if heat is added to the system, and negative if heat is removed;

....."W is positive if work is done by the system"........

and negative if work is done on the system.


So, work done by a system is positive.

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