Question

A flask was heated from 27⁰C and 12 atm pressure to 227⁰C at constant volume.Then What will be the change in pressure
plz answer fast..
options
20atm
40atm
10atm
25atm

Answer 1

I DON'T KNOW IF IT'S RIGHT

Correct option is

40

According to ideal gas equation:

n

1

T

1

=n

2

T

2

(V,P are constant)

n

1

×300=n

2

×500

n

2

=

5

3n

1

∴ Mole given out =

5

2

n

1

% =

5

2

n

1

×

n

1

100

=40 atm