A sample of gas at 398 K occupies a volume of 3 L
at a pressure of 0.867 x 100000Pa. Calculate its volume
at 100 kPa atmospheric pressure.
please answer it
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initial temperature = final temperature = 398K
initial number of mole = final numbers of mole
initial volume = = 3L
initial pressure = = 0.867×100000 Pa = 0.867×10⁵Pa
final pressure = = 100kPa = 100000 Pa = 10⁵Pa
final volume = =
PV = nRT
as number of mole & temperature remain constant
PV = nRT , can be written as PV = constant
Therefore, × = ×
Putting respective values, in above equation
We get ;
(0.867×10⁵) × (3) = (10⁵) × ()
= (0.867 ×3) × (10⁵÷10⁵)
= 2.601 L
final volume =
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