LT2: Gas Laws.

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Presentation transcript:

LT2: Gas Laws

Lesson 9 What factors affect gas behavior? Temperature Pressure Amount (moles) Volume of container

Lesson 9 Charles’ Law- Vol and Temp Volume and temperature are DIRECTLY related Equation: V1/T1=V2/T2 What remains constant? Pressure Real-life application: “Deflate-gate” A football inflated inside and then taken outdoors on a winter day shrinks slightly

Lesson 10 Boyle’s Law- Press. and Vol. Pressure and Volume are INDIRECTLY related. Equation: P1V1=P2V2 What remains constant? Temperature Real-life application: The bubbles exhaled by a scuba diver grow as the approach the surface of the ocean. Deep sea fish die when brought to the surface.

Lesson 11 Gay-Lusaac’s Law: Press and temp. Pressure and temperature are DIRECTLY RELATED Equation: P1/T1=P2/T2 Temperature must be in Kelvin (C+273) Constant?: Volume Real-life application: Firing a gun Aerosol cans in a fire

Lesson 12 Combined Gas Law Combination of all 3 Gas Laws where only moles remains constant. Equation: P1V1/T2=P2V2/T1 Temperature in Kelvin Real-life application: Car tires while driving down the road

Lesson 13 Ideal- amount changes and a constant is applied Equation: PV=nRT Where n= moles of gas R is the ideal gas constant= 0.0821L(atm)/mol(K)