## Chemistry (4th Edition)

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