<p>to those who have had chem 153l, do the labs really take 4 hours? thanks.</p>
<p>yes. sometimes more.</p>
<p>It depends on your partners.</p>
<p>to those who have had chem 153l, do the labs really take 4 hours? thanks.</p>
<p>yes. sometimes more.</p>
<p>It depends on your partners.</p>