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Physical Science

QuestionAnswer
Describe gases using the terms volume and shape Gas is the state of matter in which a material has neither a definite shape nor volume
Describe liquids using the terms volume and shape Liquid is the state of matter in which a material has a definite volume but not a definite shape
Describe solids using the terms volume and shape Solid is the state of matter in which materials have a definite shape and volume
Which substance (gas, liquid, or solid has the greatest attraction between particles? Solid substances have the greatest attraction between particles
Which substance (gas, liquid, or solid has the least attraction between particles? Gas substances have the least attraction between particles
What is a force is distributed over an area called? Pressure
Collisions between gas particles with walls of a closed container causes what? Gas Pressure
Raising the temperature of a gas will ___(1)___ the pressure if ___(2)___ stays the same. Increase
Raising the temperature of a gas will ___(1)___ the pressure if ___(2)___ stays the same. Number of particles
In a container, if the temperature and volume stay the same,___(1)___ will increase if the number of particles increases. Gas Pressure
Define Charles' Law States that the volume of gas is directly proportional to its temperature in kelvins if the pressure and the number of particles are constant
Define Boyle's Law States that the volume of a gas is inversely proportional to its pressure if the temperature and the number of particles are constant
What is the reverse of sublimation? Deposition
What is the reverse of vaporization? Condensation
What is the reverse of melting? Freezing
Define the heat of fusion Amount of energy needed for a solid to melt
What phase change causes water molecules to become more orderly? Freezing
What phase change causes water molecules to become less orderly? Melting
What state of matter exists at extremely low temperatures? Bose-Einstein condensates
Define the Kinetic Theory of matter Says that all particles of matter are in constant motion
The motion of one particle of a gas is unaffected by the motion of other particles of the gas unless the particles do what? Collide
Using Charles' Law the temperature has to be expresses in? Kelvins(C=273=K)
Why does the air pressure in a car's tires increase after a long drive? The temperature in the tires increases so there is more collisions of particles
What is the SI unit for pressure? Pascal
Created by: ngovero17