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8. Calculate the final volume of a gas, if the original pressure of the gas at
STP is doubled and its temperature is increased 4 times.​

Answer 1

Explanation:

let the initial volume of gas be V

Volume at STP

PV= nRT

V= nRT/P............1

when Pressure is doubled

P' =2P

and temp is increased 4 times

T'= 4T

Volume of gas

V'= 4nRT/2P

V'= 2 (nRT/P)

V' =2V

And volume at STP

V=22.4 L

So,

V'= 2*22.4

V'=44.8 L