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Gas Laws
Gas Laws and Liquids
15
Science
9th Grade
05/29/2012

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Term
Pressure
Definition
The amount of force exerted per unit area.

Pressure = Force / Area
Term
Pascal
Definition
Basic unit of pressure.

One pascal is 1 Netwon over 1 square meter.
Term
Boyle's Law
Definition
Temperature stays constant.

As volume decreases, pressure will increase.
Term
Charles's Law
Definition
Pressure stays constant.

As the temperature increases, the volume will increase.
Term
Gay-Lussac's Law
Definition
Volume stays constant.

As temperature decreases, pressure decreases as well.
Term
Diffusion
Definition
Gas wants to move from areas of high concentration to areas of low concentration.
Term
Concentration Gradient
Definition
A difference in concentration withing a given space.
Term
Equilibrium
Definition
Reached when all particles within a given space are evenly distributed.
Term
Osmosis
Definition
The movement of water through a semi-permeable membrane
Term
Solute
Definition
What's being disolved.

The salt.
Term
Solvent
Definition
What the solute is being dissolved in.

The water.
Term
Solution
Definition
The end product or mixture of the solute and solvent.
Term
Bernoullis Principle
Definition
As a fluid's velocity increases, the pressure the fluid exerts decreases.
Term
Buoyancy
Definition
The ability of a fluid to exert an upward force on an object immersed in it.
Term
Achimede's Principle
Definition
The buoyant force on an object is equal to the weight of the fluid it displaces.
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