When you squeeze the rubber bulb of a perfume atomizer, you decrease the volume of the bulb, which increases the air pressure inside it. This higher pressure forces air up through the tube to the nozzle. As the air exits the nozzle, it creates a drop in pressure at the top of the tube, allowing the liquid perfume to be drawn up from the reservoir and atomized into a fine mist.
Change the pressure or change the temperature. Volume changes inversely with pressure and directly with temperature. That is to say, if you squeeze it, it gets smaller. If you heat it, it gets bigger.
An atomizer works by first squeezing the ball on the top. The change of pressure in the bottle allows the contents to come to the top of a tube. When the air in the ball is released, the scent at the top of the tube is sprayed.
When you squeeze an ointment tube, the pressure exerted by your hand forces the ointment to flow out of the tube. This causes the tube to collapse on itself as the volume of ointment decreases, resulting in a change in shape. The flexibility of the tube material allows it to deform under pressure, facilitating the dispensing of the ointment.
An efficient atomizer consists of a liquid reservoir, a source of air pressure, and a baffle plate. When the tube from the reservoir and the tube providing air pressure meet at right angles, the air stream causes liquid to be drawn out of the liquid reservoir, and be blown in droplets in the direction of the airflow. If the droplets strike a baffle, target plate, or close anvil-like object, the droplets become even finer, and are more easily inhaled and distributed in the lungs or otherwise. ---Rod
The evaporation of perfume is a physical change. The chemical constitution of the perfume has not changed, it is still exactly the same chemical, but it has changed from a liquid phase to a gas phase.
Yes, the pressure in the ocean can potentially change the shape of a glass bottle. The external water pressure increases the deeper you go in the ocean, which can lead to the bottle being compressed or deformed due to the difference in pressure inside and outside the bottle.
It doesn't.
It is a physical change.
As I have learned, it is an irreversible change, so no its not a reversible change.
The shape of an ointment tube changes when you squeeze it due to the application of external pressure, which compresses the material of the tube. This pressure causes the tube's walls to deform, allowing the contents to be forced out through the opening. Once the pressure is released, the tube may partially return to its original shape, depending on the material's elasticity. This behavior is typical of flexible containers designed to dispense viscous substances.
When you squeeze a balloon, you are applying pressure to the air inside it. This increased pressure causes the air molecules to move closer together, which changes the balloon's shape. Once you release the balloon, the air molecules move back to their original positions and the balloon returns to its original shape.
Avon