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Chemistry p1(NIGHTMARE) Coming

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lys90:

--- Quote from: manuroqs on June 09, 2009, 12:33:53 pm ---Can sumbody help me with a question,it's Q10,chemistry ppr1,may/june 06

--- End quote ---

let's take the no of mol of N2O4= x

given N2O4 is 50% dissociated, so the change of partial pressure of the gas is -0.50x, and 2mol of NO2 is +1.0x

so 0.50x + 1.0x = 1atm
                   x = 2/3

so Kp = (2/3)^2 divide by (0.5 x 2/3)
        = 4/3 atm

 :)

kimlasmay:
I think the percentile might save us all since the paper was extremely hard...But,pls dont skip the paper...Just do it...We may never know how its gona be...

Ke Dandan:
Organic Sucks

manuroqs:

--- Quote from: lys90 on June 09, 2009, 01:11:05 pm ---
--- Quote from: manuroqs on June 09, 2009, 12:33:53 pm ---Can sumbody help me with a question,it's Q10,chemistry ppr1,may/june 06

--- End quote ---

let's take the no of mol of N2O4= x

given N2O4 is 50% dissociated, so the change of partial pressure of the gas is -0.50x, and 2mol of NO2 is +1.0x

so 0.50x + 1.0x = 1atm
                   x = 2/3

so Kp = (2/3)^2 divide by (0.5 x 2/3)
        = 4/3 atm

 :)

--- End quote ---


thanx dude!  :)

WARRIOR:
help needed Q4 october novermer 2006

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