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A gas sample contained in a cylinder equipped with a moveable piston occupied 250. mL at a pressure of 1.91 atm.?
What would be the final pressure (in Pascal) if the volume were increased by 567 mL at constant temperature?
1 Answer
- donpatLv 74 years agoFavorite Answer
You have for a fixed mass or moles of Ideal Gas :
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( P2 ) ( V2 ) / ( T2 ) = ( P1 ) ( V1 ) / ( T1 ) = PV/T = nR = Constant
P2 = ( P1 ) ( V1 / V2 ) ( T2 / T1 )
P2 = ( 1.91 atm ) ( 250 mL / 250 mL + 567 mL ) ( 1.000 )
P2 = ( 0.5814 atm ) ( 101325 Pa / atm ) = 58910 Pa <--------------------------
