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Matter and Energy

Matter and Energy Study

QuestionAnswer
Matter Anything that has mass & takes up space
physical property Help describe matter
extrinsic properties Depending on the amount of matter present
intrinsic properties Does not depend on the amount of matter
compressible Conforms to the container it is placed in
phase barriers The point in which matter changes phases
condensation point Gas becomes liquid
freezing point Liquid becomes solid
melting point Solid becomes liquid
boiling point Liquid becomes gas
sublimation Solid becomes gas
deposition Gas becomes solid
density How tightly packed something is
density formula D = M/V
polarity Molecules interaction effect on gas
volatile compound vaporizes
What type of shape and volume does a gas have? No fixed shape or volume
What type of shape and volume does a solid have? Fixed shape & volume
What type of shape and volume does a liquid have? Kind of compressible
temperature Speed of moving particles
volume Amount of space an object takes up
Pressure Amount of force applied to an object/surface
What do Gas Laws show? how pressure, temperature and volume are related
Increasing the pressure at a constant temperature _______ the volume of the gas. (Boyle’s Law) decreases
Increasing the temperature of a gas at constant pressure causes the volume of the gas to ________. (Charles’ Law) decreases
At constant pressure and temperature, the volume of a gas ________ as the number of molecules of the gas increases. (Avogadro’s Law) increases
directly proportional When one decreases other one decreases similar with increase
inversely proportional One increases the other doesn't
internal energy Force that holds atoms together
another word for heat Thermal energy
specific heat Joules required to raise 1 gram of substance
conduction Kinetic energy releases
convection Circulation of heat through gasses or liquids raise the temperature of whole thing
radiation Transfer of thermal energy as waves
exothermic reaction Releases thermal energy
endothermic reaction Absorbs energy
activation energy Energy needed to initiate reaction
catalyst. Increases rate of reaction
Created by: Danielang
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