
#1
May712, 08:53 PM

P: 51

What exactly are constants? Are they just used to make the equation work or is there something more meaningful than this? Right now I am studying rate of reactions and they go something like this:
rate = k [A]^x [B]^y It seems like k is only there to make the equation work. It would seem like k is the responsiveness of rate to concentration. But this becomes meaningless when comparing two reaction of different orders; they take on different units for different orders. 



#2
May712, 09:14 PM

PF Gold
P: 11,056

Have you read this article? http://en.wikipedia.org/wiki/Physical_constant



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