Chapter 5 Gases and the Kinetic-molecular Theory - Chem...

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Chem 1035 Chapter 5 1 of 30Chapter 5Gases and the Kinetic-molecular TheoryThree Phases of Matter:GasLiquidSolid~Particles are far apart~mostly empty space~Compressible~Particles are closer together~as a result NOT compressible~Particles are veryclose together~NOT compressible
Chem 1035 Chapter 5 2 of 30GasLiquidSolid~ Particles are very mobile~High velocity~In constant motion~Particles move with less freedom of motion~Particles are NOT mobile~move in place~”Locked” in place~Negligible attractive forces between gas particles~Gasses take the shape and volume of their container ~Moderate attractive forces~Liquids take the shape but NOT the volume of their containers ~Strong attractive forces~Take neither the shape nor the volume of their container
Chem 1035 Chapter 5 3 of 30
Chem 1035 Chapter 5 4 of 30Kinetic Molecular Theory of GasesGases consist of particles, which have the following properties:The particles are so small compared to the distances between them thatThe volume of the individual gas particles can be assumed to be negligible (zero)The particles are in common motion.The collision of the particles with the walls of the container are the cause of the pressure extended by the gasThe particles are assumed to exert no forces on each other. They are assumed to neighter attract or repel each otherThe average kinetic energy of a collection of gas particles is directly proportional to the kelvin temperature of the gas(convert to kelvin)
Chem 1035 Chapter 5 5 of 30Gas Pressure

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