Answer
C
Work Step by Step
Heat is positive when the system GAINS heat and it is negative when the system LOSES heat
Work is positive when it is done BY the system and it is Negative when it is done ON the system
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.