The density will decrease
If an object's volume remains constant but its mass is increased, its density will also increase. Density is defined as mass divided by volume, so if the volume stays the same while the mass increases, the density will increase as well.
The density becomes lower: Density is defined as mass/volume, and if mass decreases while volume remains the same, the quotient must decrease.
volume increases
If the volume of a gas increases, the pressure of the gas decreases. This is described by Boyle's Law, which states that pressure and volume are inversely proportional.
If temperature remains constant and the volume of gas increases, the pressure will decrease. This is described by Boyle's Law, which states that pressure and volume are inversely proportional when temperature is constant.
When the temperature of a gas is increased at a constant pressure, its volume increases. When the temperature of a gas is devreased at constnt pressure, its volume decreases.
If pressure remains constant, then volume is directly proportional to temperature. Hot air is quite loud.
If an object's mass remains constant but its volume is increased, then the density of the object decreases. This is because density is calculated by dividing an object's mass by its volume, so increasing the volume while keeping the mass constant leads to a lower density value.
If the temperature remains constant, the volume of the gas will halve when the pressure doubles. This is described by Boyle's Law, which states that pressure and volume are inversely proportional when temperature is held constant.
From Boyle's law pressure (P) times volume (V) divided by temperature T is a constant; so if T is held constant then if pressure triples volume is decreased to 1/3 its original value
It decreases.
volume increases