A SCUBA tank can normally hold 18 liters of gas at 3000 psi. How many liters of gas would this be equivalent to if the gas were at 14.7 psi?

Respuesta :

Liters of gas at 14.7 psi: 3674 L

Explanation:

We can solve this problem by using Boyle's law, which states that:

"For an ideal gas kept at constant temperature, the pressure of the gas is inversely proportional to its volume"

Mathematically:

[tex]pV=const.[/tex]

where

p is the gas pressure

V is its volume

This law can also be rewritten as

[tex]p_1 V_1 = p_2 V_2[/tex]

Where:

[tex]p_1 = 3000 psi[/tex] is the initial pressure of the gas

[tex]V_1 = 18 L[/tex] is the initial volume of the gas

[tex]p_2 = 14.7 psi[/tex] is the final pressure of the gas

[tex]V_2[/tex] is the final volume

Therefore, we can calculate the volume of gas corresponding to 14.7 psi of pressure:

[tex]V_2=\frac{p_1 V_1}{p_2}=\frac{(3000)(18)}{14.7}=3674 L[/tex]

Learn more about ideal gases:

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