nicely, the way I keep in mind the three gasoline regulations (Boyle's, Charle's and gay Lussac) is with 2 regulations. First, Temperature is often on the backside (p1/t1 = p2/t2 and v1/t1 = v2/t2) for the two temp ones. Seconds rule is that stress is gay. i comprehend it does not make experience, even though it does not ought to, given which you're merely attempting to keep in mind stuff. So, all of us understand that P and T and gay Lussac, and V and T are Charle, so Boyle's must be V and P (which that's: v1p1 = v2p2). on condition that Boyle's regulation has no temperature, no longer something might nicely be "on the backside", so i comprehend it particularly is multiplying, and not dividing. desire that facilitates, it confident worked for me.