<p>asdfasdfqwerasdf</p>
<p>What happened with the last set of problems?</p>
<p>Anyways, for #1, 2, and 3 they are all done with E=Q+W. There are certain sign conventions that you have to watch out for, but I believe if it was if work is done on the gas use a - sign and a + sign if work is done on the gas</p>