Question

J. Calculate the pressure in atm of 1.0
mole of helium in a 2.0 dm² container
at 20.0°C. By log intilog
(Ans:12.02 atm)​

Answer 1

Answer:

please click on a images and see your answer you did understand that I will write

Explanation:

We know,

n∝

T

V

Volume of the nitrogen flask is three times volume of He− flask

n

N

2

n

He

=

3

1

×

200

400

=

3

2

Also,

n

He

+n

N

2

=8

Volume of the nitrogen flask is three times volume of He− flask

⟹n

He

=

5

16

, n

N

2

=

5

24

Since volume of the Helium flask remains constant-

Also,

300×2

1

=

200×

5

16

P

⟹P=1.06atm