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The great the density the higher the air pessure.

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βˆ™ 13y ago
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βˆ™ 7y ago

If you increase the number of molecules (moles), you increase the number of collisions between these molecules and the inside walls of their container. This in turn increases the pressure.

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Q: Why does an increase in the number of molecules increase the pressure?
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Related questions

What does increasing the number of molecules in a fixed volume result in?

An increase in pressure


How do you increase or decrease the movment of molecules?

Molecules react to thermal energy, or heat, as well as pressure. When you increase the temperature of molecules, they will increase their vibration and movement. Pressure can also allow molecules to move from one area to another.


What causes the pressure inside oxygen tanks to change as they are filled?

The number of gas molecules changes.the number of gas molecules changes


How according to le chΓ’telier's principle how will a pressure increase affect a gaseous system?

The total number of gas molecules will decrease.


Is the pressure decrease or increase with altitude?

Pressure is due to the number of molecules hitting you or your instrument. As you go up in altitude, there are less molecules hitting you, i.e., the pressure decreases. The higher you go, you are getting thinner atmosphere, which means there are less molecules available, so the pressure is lower. Air molecules are more abundant closer to the surface, and therefore the molecules are closer together, i.e. higher pressure.


What are the properties of a colligative property?

1. Vapor pressure lowering: the decrease in vapor pressure with increasing the number of solute molecules in solution. 2. Boiling point elevation: the increase in boiling point with increasing number of solute molecules in solution. 3. Freezing point depression: the decrease in freezing point with increasing number of solute molecules in solution. 4. Osmotic pressure


How do you explain the increase in pressure in a closed system when temperature is increased?

Since the temperature is increased, the molecules start moving to and fro... which tends increase in speed of the molecule.. such that the increase in temperature is directly proportional to the speed of the molecules by which the pressure will also increase...


What increase is the chance of a reaction when two molecules collide?

pressure


On the molecular level what causes gas pressure?

On the molecular level pressure is caused by individual gas molecules interacting with the surfaces of a container. Pressure is defined as force per unit area, so in the most basic level pressure can increase with an increase in force applied to the container or a decrease in area the molecules are interacting with. The decrease in area can be from a smaller container, or an increase in force can be from an increase in the velocity of the molecules. This increase in velocity is usually due to an increase in energy (typically heat).


What happens to the temperature increase the number of particles what happens to the pressure?

Increasing the temperature the number of particles remain constant and the pressure increase.


What are the three properties of a solution?

1. Vapor pressure lowering: the decrease in vapor pressure with increasing the number of solute molecules in solution. 2. Boiling point elevation: the increase in boiling point with increasing number of solute molecules in solution. 3. Freezing point depression: the decrease in freezing point with increasing number of solute molecules in solution. 4. Osmotic pressure


Why does pumping more air into basketball increase the pressure and volume?

the number of molecules changes