Question

Temperature at a certain station A is 30'c and the pressure is 1 bar. If a definite mass of gas is transferred from station A to station B where the temperature is Oc and the pressure is 0.8bar Compare the densities of the gas at these stations​

Answer 1

Explanation:

At 4 atm pressure and 10% dissociation.

PCl

5

PCl

3

Cl

2

Equibm mole

90

10

10

Equilibrium partial pressures

110

90

×4

110

10

×4

110

10

×4

Hence, K

p

=

P

PCl

5

P

PCl

3

P

Cl

2

=

99

4

.

At 20% dissociation,

PCl

5

PCl

3

Cl

2

Equibm mole 80

20

20

Equilibrium partial pressures

120

80

×P

120

20

×P

120

20

×P

K

p

=

P

PCl

5

P

PCl

3

P

Cl

2

=

24

1

×P

Thus

24

1

×P=

99

4

or P=0.96 atm.