Agas isn’t heated from 298 k to 367 k while it’s volume changes from 2.5 l to 3.9 l. if the initial pressure of the gass is 1.1 atm , what is the final pressure of the gass

0.8684 atm

Explanation:

Using combined gas equation,

PV / T = k

P1*V1 / T1 = P2*V2 / T2

P1 = 1.10 atm

P2 = ?

V1 = 2.5L

V2 = 3.9L

T1 = 298k

T2 = 367k

P1*V1 / T1 = P2*V2 / T2

Making P2 the subject of formula;

P2 = P1*V1*T2 / V2*T1

P2 = 1.1*2.5*367 / 3.9*298

P2 = 1009.25 / 1162.2

P2 = 0.8684 atm

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