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diffusion does take place as the injection will move where it is highly concentrated to where it is less concentrated there by distributing the pain.
An air freshener is a good model of diffusion because the scent particles are highly concentrated in the bottle. When the bottle is opened, they spread out in the room which has less concentration.
Diffusion, unless it is water, in which case it is osmosis.
Osmosis
Cooler particles have less kinetic energy.
Actıve absorbtıon
the particles tend to move from an area where they are more concentrated to an area where they are less concentrated.
It move from the more concentrated place to the less concentrated place.
The way amphibians breath is diffusion (when particles, or in this case gas particles, move from a high concentrated area to a less concentrated area) of the skin. They DO have lungs, but have other uses for them.
To less concentrated areas
Osmosis
When gaseous particles move from a place where there are lots of particles to a place where there are less particles, the pressure in the place that they are leaving decreases, and the pressure in the place that they are going to increases. In general, the particles will keep moving until the pressures in each place are equal.
Concentrated acid is generally more harmful than dilute acid. This is because concentrated acid contains a higher concentration of acid molecules, which can cause more severe burns or damage to tissues upon contact. Dilute acid, on the other hand, has a lower concentration of acid molecules and is therefore less harmful. Acid, as a general term, can encompass both concentrated and dilute forms and its harmfulness would depend on its concentration.
The diffusion of substances across a membrane is called passive transport. Molecules move from where the substance is more concentrated to where it is less concentrated.
Diffusion
diffusion does take place as the injection will move where it is highly concentrated to where it is less concentrated there by distributing the pain.
Particles tend to move from an area where they are more concentrated to an area where they are less concentrated, a process known as diffusion. When the concentration of a solute is the same throughout a system, the system has reached equilibrium.