Answer to Question #195264 in General Chemistry for Abigelle S. Unda

Question #195264

A scuba tank contains 20.0 L of air at 30°C and 1.5 atm. Assuming that the temperature remains constant, what volume of air is required to fill the tank to a pressure of 40 atm? 


1
Expert's answer
2021-05-19T02:28:29-0400

V1=20L,P1=1.5atm,P2=40atmV_1=20L,P_1=1.5atm , P_2=40 atm


using Boyle's law-


P1V1=P2V220×1.5=V2×40V2=3040=0.75LP_1V_1=P_2V_2 \\[9pt] \Rightarrow 20\times 1.5=V_2\times 40 \\[9pt] \Rightarrow V_2=\dfrac{30}{40}=0.75L


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