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Set 5: Laws of Conservation of Mass and Energy

Terms in this set (10)

Law of Conservation of Mass
in any physical change or chemical reaction, mass is neither created nor destroyed; the mass of the reactants always equals the mass of the products
Law of Conservation of Energy
in any physical change or chemical reaction, energy is neither created nor destroyed; energy can be released in the form of heat, light, or both
Law of Conservation of Mass does not hold true in some instances
often gases are produced, which makes it hard to see all of the products, though they are present
Energy
the ability to change or move matter
Energy is transferred in all changes of matter
melting
evaporation
sublimation
condensation
solidification
Melting
energy is added to move a solid to a liquid state
Evaporation
energy is added to move a liquid to a gas state
Sublimation
energy is added to move a solid to a gas state
Condensation
energy is removed to moved a gas to a liquid state
Solidification (freezing)
energy is removed to move a liquid to a solid state
THIS SET IS OFTEN IN FOLDERS WITH...