Question

a cylinder of gas has a Mass of 10kg and a pressure of 8 atm at 27°C when some gas is used in Cold room at –3°C the gas remaining in the cylinder at this temperature has a pressure of 6.4 atm calculat the Mass of gas used.​

Answer 1

Answer:

P

1

=

ρ

2

ρ

1

=

m

2

m

1

m

2

=

P

1

P

2

×m

1

=

10

7

2.5×10

6

×10=2.5kg

Mass of gas taken out =10−2.5=7.5kg.