An open flask contains air at 27 degree celsius calculate the temperature at which it should be heated so that one third of escapes out
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first of all convert the temperature in kelvin, 27 degree celsius = 300 kelvin
use formula P1V1/T1=P2V2/T2
open flask so pressure =1atm
V1/T1=V2/T2 .........equation (1)
let volume of flask or initial volume = V
ten final volume = v+v/3 =4V/3
putting values in equation (1)
V/300 = 4V/3T
T=400Kelvin or 127 degree celsius
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