Answer
w= 0
$\Delta U= -553.8\,kJ$
Work Step by Step
$q= -184.6\,kJ/mol\times 3\,mol$
$=-553.8\,kJ$
$w=-P\Delta V= -1.00\,atm\times0=0$
$\Delta U= q_{v}= -553.8\,kJ$
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.