A type of gas starting pressure is equal to 200 mmHg gas pressure of this type will be the last if there is gas, the volume reduced to half the original volume at constant temperature.
A gas pressure of 200 mmHg gas is starting to make a final push as much gas if the volume is reduced to half its original volume at constant temperature.
Gas type pressure of initial 200 mmHg. Gas pressure of this kind will last as much if you sat decreases as one half of the original volume. When the temperature constant.