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Hawkins, Darwin wrote: > > Forgot to include the effect of pressure. The previous dissertation assumes > all occurs at constant pressure. The phenomenon of sodas "boiling" when you > open is due to a sudden decrease in pressure allowing the gases to come out > of the liquid. Shaking prior to opening just build up more pressure and thus > a bigger drop when opened. So tell me, Darwin, WHY does shaking raise the pressure in the unopened container? Cheers, Joe -- J. R. Bruman (818) 789-3694 3527 Cody Road Sherman Oaks, CA 91403-5013