Behavior of Gases.

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Presentation transcript:

Behavior of Gases

Pressure Pressure- the amount of force exerted per unit of area.

P = F / A Pressure = Force / Area Formula for Pressure P = F / A Pressure = Force / Area Atmosphere puts a pressure on everything within it.

Pressure vs. Altitude As altitude increases the pressure decrease. (As altitude ↑, pressure ↓)

Boyle’s Law Boyle’s Law- as volume of a gas decreases, the pressure increases. (As volume ↓, pressure ↑) Temperature must be the same.

Boyle’s Law Balloon in a small box.

Charles’s Law Charles’s Law- As volume of a gas increases, the temperature increases.

(As volume ↑, temperature ↑) Pressure must be the same (If volume ↓, then temp. ↓)

Charles’s Law Ex: Ex: Hot-Air Balloon

By using this, Charles’s calculate the temperature which the volume of gas would be zero. The temperature is -273°C or absolute zero.

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