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### 14 Cards in this Set

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 graham's law in words diffusion of a gas is inversely proportional to the square root of its molar mass -the lighter the gas, the faster it diffuses graham's law formula rate A sq. root of B _______ --> _______________ rate B sq. root of A answer is the number of times that the lighter one diffuses faster that the heavier one combined gas laws P1V1 P2V2 ----- = ----- T1 T2 charles' law -relationship of volume and temp. -as pressure remains constant, temperature imcreases as volume increases V1 V2 -- = --- T1 T2 what happens to the distance of particles when kinetic energy decreases they get closer together why is kelvin temp used in specificed calculations that involve gases there are no negative numbers 5 parts of the kinetic theory 1. all gases are composed of individual particles that are in continuous random motion 2. the higher the temp, the faster the motion 3. collisions are "elastic"-particles that are moving are colliding with each other-the particles don't lose energy when they collide 4. the volume of the individual gas particles is negligible compared to the volume of the space they move in (particles are mostly empty space- volume=0) 5. no forces of attraction between particles of a gas what two things are wrong in the kinetic theory 1. there ARE forces of attraction between particles of a gas 2. the particles DO have volume what does gas pressure result from? results from the particles colliding with each other and the sides of the container what is gas pressure measured in Pascals- Pa what is the standard pressure in atm, kPa, and mmHG 1 atm=101.3 kPa=760 mmHg boyles law inverse/reciprocal -as pressure increases, the volume changes to the reciprocal of the prssure -as pressure increases, volume decreases -as volume increases, pressure decreses P1V1=P2V2 what happens to kinetic energy during gas particle collisions? it remains constant why is a gas easily compressed? bc of the space between the particles