Answer
$W = 300~cal$
Work Step by Step
We can find $W$:
$W = nR~\Delta T$
$W = (3.00~mol)(2.0~cal/mol~K)(50.0~K)$
$W = 300~cal$
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.