quilibrium constant Kp for homogenoussystems
total pressure sum of all the pressures of the individualgases partialpressure
e g1502cLzig I 502cg zig
equilibriumvesselcontains 263KPa of Cl2 Total pressure 714KPa
calculate partial pressure of 502112Ippso cha at equilibrium
Total pressure ppso cha t ppsort ppl12
L2502 71 1 pp502 ppCla
1 714 PP502C
12 263 263
714 pp502012 526
pp502612 188 KPa
mole fractionof a gas no of moles ofgas total no ofmoles of gas in mixtur
pp mole fraction m f x total pressure in mixture
partialpressuresare used to calculate gas equilibriumconstantKp
Kp equilibriumconstant for an equilibrium reactioninvolvinggases
e.gl aAig t bBig Fc Cigs t dDigs Kp PPC a ppD db
PPA CppB
effect of temp on KP
if tempchangecauses e to shift right topgetslarger Kp will increase
if temp changecauses t to shift left bottopgetslarger Kp will decreas
effect of pressure on Kp
Kp is unaffected by any changes in pressure
ischanging pressure will have an equal effect on all substances
effect ofa catalystshas
on Kp
adding catalyst no effect on Kp
catalyst speeds up the forward and reverse reaction
catalyst speeds up the rate at which is reached
total pressure sum of all the pressures of the individualgases partialpressure
e g1502cLzig I 502cg zig
equilibriumvesselcontains 263KPa of Cl2 Total pressure 714KPa
calculate partial pressure of 502112Ippso cha at equilibrium
Total pressure ppso cha t ppsort ppl12
L2502 71 1 pp502 ppCla
1 714 PP502C
12 263 263
714 pp502012 526
pp502612 188 KPa
mole fractionof a gas no of moles ofgas total no ofmoles of gas in mixtur
pp mole fraction m f x total pressure in mixture
partialpressuresare used to calculate gas equilibriumconstantKp
Kp equilibriumconstant for an equilibrium reactioninvolvinggases
e.gl aAig t bBig Fc Cigs t dDigs Kp PPC a ppD db
PPA CppB
effect of temp on KP
if tempchangecauses e to shift right topgetslarger Kp will increase
if temp changecauses t to shift left bottopgetslarger Kp will decreas
effect of pressure on Kp
Kp is unaffected by any changes in pressure
ischanging pressure will have an equal effect on all substances
effect ofa catalystshas
on Kp
adding catalyst no effect on Kp
catalyst speeds up the forward and reverse reaction
catalyst speeds up the rate at which is reached
