Question
In: Chemistry
The equilibrium constant for the intercoversion of PCl5 and PCl3 is 0.0121: PCl5(g) = PCl3(g)...
The equilibrium constant for the intercoversion of PCl5 and PCl3 is 0.0121:
PCl5(g) = PCl3(g) + Cl2(g)
A vessel is charged with PCl5, giving an initial pressure of 0.123 atm. At equilibrium, the partial pressure of PCl3 is __________ atm.
Solutions
Expert Solution
PCl5(g) = PCl3(g) + Cl2(g)
1 0 0
after time t 1-x x x
Total no of moles n=1+x
Equilibrium constant =0.0121
Initial pressure P=0.123
Kp= {[npcl3] x[ ncl2] /[npcl5] }xP/n
0.0121={[x] [x]/[1-x]} 0.123/1+x
[1-x2] 0.0121= x2 0.123
0.0121=x2 0.1351
x2= 0.08962
x=0.2993
the partial pressure of PCl3 =P[ npcl3/n]
= 0.123 [x/1+x]
= 0.123[0.299/1.299]
the partial pressure of PCl3 is0.028311 atm
queen_honey_blossom answered 4 hours agoRelated Solutions
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_______________________________________________________________________________________________________________
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