Recall: The ideal gas law is as follows:
We can see that the pressure and volume of a gas are related to the number of moles of gas, the universal gas constant, and the temperature of the gas.
For a given number of moles of gas at a constant temperature, the initial and final pressure and volume of the gas are related by Boyle's law.
You have a sample of gas in a container with a movable piston,
such as the one in the drawing.
Redraw the container to show what it might look like if the external pressure on the piston is increased from 1.0 atm to 2.0 atm while the temperature is kept constant.
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