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Chem II

TermDefinition
Kinetic Molecular Theory All substances are made of particles that are moving. When energy is added, the particles move faster, and when energy is removed, the particles move slower.
Endothermic Reaction A reaction which requires energy to take place (energy enters the objects undergoing the reaction)
Exothermic Reaction A reaction which gives off energy as it takes place (energy leaves the object that is undergoing the reaction).
Temperature A measure of the average kinetic energy of the particles in a system.
Pressure- A force per unit of area.
Solid, Liquid, Gas- States of matter, fixed shape and volume
Kinetic Energy- The energy of a moving object, or energy in motion
Triple Point- A point in which the temperature and pressure at which the solid, liquid, and vapor (gas) phases of a pure substance can coexist in equilibrium.
Melting Point- The temperature at which a given solid will melt.
Boiling Point The temperature at which a given liquid will vaporize.
Density- The degree of compactness of a substance measured by the quantity of mass per unit of volume.
Created by: Nicolaus
 

 



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