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?

Expert's answer

"V_1=20L,P_1=1.5atm\n,\nP_2=40 atm"

using Boyle's law-

"P_1V_1=P_2V_2\n\n\n\\\\[9pt]\n\\Rightarrow 20\\times 1.5=V_2\\times 40\n\n\n\\\\[9pt]\n\\Rightarrow V_2=\\dfrac{30}{40}=0.75L"

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