The volume is halved
pressure decreases
volume increases
volume increases
pressure. simple answer is pressure. what happens is that as the gas gets hotter they move move and want more volume, if you don't allow them that volume the pressure goes up. when you get a gas colder, the opposite happens and makes the pressure go down.
When the number of moles of a gas doubles and all else is constant, then the volume also doubles.
the volume doubles
the volume doubles
The pressure drops.
pressure decreases
At a constant volume the pressure increase.
the volume doubles
the volume doubles
The volume become 50 %.
Volume decrease.
The pressure will increase.
the volume doubles
The volumes doubles