<p>How much content from 1a is built upon in chem 1b. Lets say someone (not using myself as an example) knows the basics of chemistry and goes into 1b, do they have to know the ins and outs of the 1a content to understand/get good grade in 1b?</p>
<p>btw-is the curve on 1b just as hard as 1a?</p>