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?
V1=20L,P1=1.5atm,P2=40atmV_1=20L,P_1=1.5atm , P_2=40 atmV1=20L,P1=1.5atm,P2=40atm
using Boyle's law-
P1V1=P2V2⇒20×1.5=V2×40⇒V2=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}=0.75LP1V1=P2V2⇒20×1.5=V2×40⇒V2=4030=0.75L
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