October 9, 2015

Homework Help: chemistry

Posted by Kate on Wednesday, May 7, 2008 at 4:40pm.

I know how to use the equations pv=nrt and P1xV1/n1xT1 = P2xV2/n2xT2, but I don't understand when to use them.

I have a test tomorrow and I'm going over some word problems, but I can't figure out how decide which formula you need to use. Is there a specific way to know?

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