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Boyle’s Law and Charles’ Law. What are these Laws all about?. These Laws Define the behavior of Gases. Pressure. Defined as: The amount of force exerted per unit of area. P=F/A Pressure only occurs when the gas particles collide with another object. The more collision the more pressure.
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What are these Laws all about? • These Laws Define the behavior of Gases.
Pressure • Defined as: • The amount of force exerted per unit of area. P=F/A • Pressure only occurs when the gas particles collide with another object. • The more collision the more pressure. • What are 2 ways to create more collisions? (Therefore more pressure)
To Create More collisions • Increase the number of gas particles. • Example: Air Pressure • Decrease the size of the container. • Example: Boyles Law
Boyles Law • If the Volume of a gas DECREASES, the Pressure of the gas will INCREASE, as long as the temperature does not change. • INCREASE Volume = DECREASE Pressure with Temperature CONSTANT.
Charles’ Law • The Volume of a gas will INCREASE as Temperature INCREASES as long as Pressure does not change. • Also true in reverse.
To Help you Remember: • Just think of: P T V