eqbm ..dbtss..not gettign answers

Q1 PCl5 is added to flask containing Cl2 at 1 atm and 500K is sealed where eqb is established.Kp=2 atm.Determine % dissociation of PCl5 if eqb pressure is 3 atm..

Q2 1 mole of N2 and 3 mole of PCL5 are taken in a 100 L flask and heated 20 227 C where total pressure at eqb is found to be 2.05 atm.Determine Kp for reaction assuming N2 to be inert

4 Answers

1
Avinav Prakash ·

1.LET DER INITIALLY B 1 MOLE EACH OF PCL5 AND CL2..

AT EQUIM.
PCL5 HAS 1-X MOLES
PCL3 HAS X MOLES
CL2 HAS 1+X MOLES
TOLTAL=2+X

(x)(1+x)P(1-x)(2+x)=2...where P=2

solve for x ...it will give 0.5..approx.....
% dissociation=50%

1
Avinav Prakash ·

N2 DOESNT REACT

AT EQUIM.
PCL5 HAS 3-X MOLES
PCL3 HAS X MOLES
CL2 HAS X MOLES
TOLTAL=3+X+1=4+X...FROM N2

(x)2P (3-x)(4+x)=Kp

NOW USE PV=NRT..N=4+X
..>X=1
SO Kp=0.205.......APPROX
GUYZ...PLZ BEAR WITH ME FOR ALL CALC.. MISTAKES

1
Avinav Prakash ·

MANISH BHAIYA ..PLZ...CONFIRM MY ANS

24
eureka123 ·

both ans rite...thx..

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