Question

A mixture of SO2 and O2 at 5 atmosphere pressure reacts 30% in equilibrium determine the pressure of equilibrium mixture

Answer 1

Answer:

4 Pa

Explanation:

Ans. K SO

SO O

M

M M c = =

2 [ ]

[ ] [ ]

( . )

( . ) ( . )

3

2

2

2

2

2

1 90

0 60 0 82 = − − 12 229 12 229 1 1 . . M or Lmol

3. At a certain temperature and a total pressure of 105

Pa, iodine vapour contain

40% by volume of iodine atoms [I2

(g)  2I (g)]. Calculate Kp

for the

equilibrium.

Ans. Partial pressure of I atoms (PI

) = (40 / 100) × l05

Pa = 0.4 × 105

Pa

Partial pressure of I2

P P I P 2

= × = ×

60

100

10 0 6 10 5 5 a a .

∴ = = ×

×

K = ×

P

P

I

2

I 2

p

( . )

. . 0 4 10

0 60 10

2 67 10

5 2

5

4 Pa