Question

a gas occupies a volume of 340 cc at S.T.P . Find its volume at 20 °C and 700mm of Hg​

Answer 1

Answer:

Ideal gas equation,

PV=nRT

So when no of moles of gas are constant

T

1

P

1

V

1

=

T

2

P

2

V

2

=

(273+47)

V

1

×640

=

(273+27)

620×300

V

1

=

640×300

620×300×320

=310cc