Predict and calculate the effect of volume change on an equilibrium system Consi

Question

Predict and calculate the effect of volume change on an equilibrium system Consider the equilibrium between SozC2. Son and C, SO2Cl20g) So20g) K 0.109 at 379 K The reaction is allowed to reach equilibrium in a 5.20 L flask At equilibrium [SO_2Cl_2] = 306? [SO_2] 0.182 M and [Cl_2] 0.182 M. The equilibrium mixture is transferred to a 10.4-L flask In which direction will the reaction proceed to reach equilibrium? Calculate the new equilibrium concentrations that result when the equilibrium mixture is transferred to a 10.4-L flask

Explanation / Answer

a) dn = gas phased product coeffients - gas phased reactanats coefffients

        = 1+ 1 - 1= 1

when dn is +ve , increase in volume will favour equilibrium in forward ( i.e right side) direction

b) SOCl2 moles = M x V = 0.306 x 5.2 L = 1.5912

SO2 moles = Cl2 moles = 0.182 x 5.2 = 0.9464

at equilibrium SOCl2 moles = 1.5912-X , SO2 = Cl2 moles = 0.9464 + X

K = [SO2] [Cl2] /[SO2Cl2]

0.109 = [( 0.9464+X) /10.4] ^2 / ( 1.5912-X) /10.4

0.109 x 10.4 = ( X+ 0.9464)^2 / ( 1.5912-X)

1.804 - 1.1336X = ( X^2 + 1.8928X + 0.8957)

X^2 + 3.026X - 0.908 = 0

X = 0.275

[SO2Cl2] = (1.5912-0.275) /10.4 = 0.1266

[SO2] = ( 0.9464+0.275) /10.4 = 0.1174 M

[Cl2] = 0.1174 M

Related Questions

Navigate

• Browse (All)
• Browse P
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.