Posted by tori on Thursday, October 13, 2011 at 3:07pm.
CH2==Ch2(g) > CH4(g) + C (graphite)
If the decomposition begina at 10 degrees C and 50.0 atm with a gas density of 0.215 g/mL and the temperature increases by 950K, what is the final pressure of the confined gas (ignore the volume of graphite and use the van der waals equation)

Chemmistry gas laws  DrBob222, Thursday, October 13, 2011 at 3:19pm
So what's your problem? Just plug into the van der Waals equation.

Chemmistry gas laws  tori, Thursday, October 13, 2011 at 3:31pm
I don't know how to throw density into the equation.

Chemmistry gas laws  tori, Thursday, October 13, 2011 at 3:39pm
scratch that.. i really don't get any of it. formula I have is: (P + (n^2a)/V^2)(Vnb) = nRT
what I can fill in is (P + (n^2(2.25))/V^2)(Vn(.0428)) = n(.0821)(950)
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