Question

One mole of n2o4(g) at 300 k is kept in a closed container under one atmosphere. It is heated to 600 k when 20% by mass of n2o4(g) decomposes to no2(g). The resultant pressure is

Answer 1

Answer:

this is ur answer

Explanation:

The pressure at 300K is 1 atm.

Pressure at 600 K will be P

2

=T

2

×

T

1

P

1

=600×

300

1

=2atm.

Decomposition is 20% by mass of N

2

O

4

.

N

2

O

4

NO

2

Initial pressure

2

0

Change in pressure

-0.4

0.8

Equilibrium pressure

1.6

0.8

Total pressure =1.6+0.8=2.4.

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