Question

ii. A given mass of a gas occupies 143cm3 at 27°C and 700 mmHg pressure. What willbe its volume at 300K and 280mmHg pressure? ​

Answer 1

V = 143 cm

3

P = 700 mm Hg

T = 27

∘

C = 27+273=300K

P

1

=280 mm Hg

V

1

= ?

T

1

=300K

Gas equation states that,

T

PV

=

T

1

P

1

V

1

300

700×143

=

300

280×V

1

V

1

=357.5 cm

3