the density increases
The volume decreases.
When mass increases and volume stays constant, the density increases. When volume increases and mass stays constant the density decreases. When they both change, then the density will depend on the rate of change of mass and the rate of change of volume.
at constant temperature in a closedcontainer the increase in temperature increases the volume of a gas but not the mass.
Density increases
The mass either decreases or increases
If the volume remains the same, the density will increase in direct proportion to the increase in mass.
Density is mass divided by volume, so if mass increases but volume stays the same, then density also increases.
Increases.
density increases
decreases
density decreases
Pressure increases as volume increases, granted the container stays the same.
density