Question

Volume of CO2 gas at 20oC and half atmosphere pressure is one litre. Calculate the volume

of the gas at 10o

C and 70 cm pressure. ​

Answer 1

Answer:

P1 = 1/2 atm = 1/2 ×76 = 38 cm of Hg

V1 = 1

T1 = 20

P2 = 70

T2 = 10

V2 =?

Explanation:

P1 V1 /T1 = P2 V2 / T2

V2 = 38 × 1 ×10 / 70 × 20

V2 =0.271 litre