Question

9. AN open vessel contains air at 27°C. The vessel is cooled so that mass of the air increases by 25%. Calculate
the temperature at which it is cooled.
(-33°C)
​

Answer 1

Answer:

500K

Explanation:

5

2

air escaped from vessel,

∴

5

3

air remain is vessel.

P and V constant

n

1

T

1

=n

2

T

2

n

1

(300)=(

5

3

n

1

)T

2

⇒T

2

=500K.