Pressure is not a change, it is a characteristic.
Physical change.
A change in the physical environment - a change in temperature or pressure
A physical change. The chemical make up of the material is not changed. --------------------------------------------------------------------- Pressure is not a change, it is a characteristic. It is the ratio force/area.
Pressure
The increase of pressure of a given gas is usually a result of a change in the temperature of the gas. An increase in temperature creates a corresponding increase in pressure.
The liquefaction of chlorine gas at -35 degrees Celsius under normal pressure is a physical change. This is because the change in state from a gas to a liquid does not alter the chemical composition of the substance, only its physical state.
Yes, a change in size is a physical change, as it does not alter the chemical makeup of the substance. Physical changes involve a transformation in the appearance or state of a material without changing its chemical composition.
The air pressure decreasing in the tires due to colder temperature is a physical change. The rubber in the tires contracts when it gets cold, causing the pressure to drop, but no new substances are formed.
Gas under pressure is a physical change not a chemical change because the gas is not being affected chemically (atoms are not bonding to other atoms and etc.). Pressure only forces the gas particles to be closer together, possibly reverting them to liquids if the temperature is low enough.
The boiling point is a physical property of a substance. It is the temperature at which the vapor pressure of the liquid is equal to the atmospheric pressure, causing the liquid to change into a gas phase.
No, the increase in pressure of contained neon gas as more gas is added to the container is a physical change, not a chemical change. This change is due to the gas particles colliding more frequently with the walls of the container, resulting in an increase in pressure without any new substances being formed.
Yes, size (length, diametre, highness) is, like all physical measures (eg. mass, number,strength, pressure, temperature), a purely physical property.