Answer
It means heat energy given to system is completely used for work done without affecting internal energy.
Work Step by Step
It means heat energy given to system is completely used for work done without affecting internal energy.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.