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chemistry

Terms in this set (34)

boil
process by which liquid turns into a gas
boiling point
the temperature at which a liquid turns into a gas
Characteristic Property
helps identify a substance; not affected by shape or amount
chemical property
a characteristic property of a substance that involves a chemical reaction
physical property
characteristic property that does not involve a change in the chemical formula of a substance; generally reversible
chemical reaction
Any change that involves the formation of a new substance
Condensation
the process by which a gas turns into a liquid
conservation of matter (mass)
mass can neither by created nor destroyed but it can change form
density
mass per unit volume; units are g/ml or g/cm3
Evaporation
to change from a liquid to a gas below the boiling piont
freeze
the process by which a liquid turns into a solid
gas
substance with no definite shape or volume.
heat
helps identify a substance;not effected by shape or amount
Immiscible
incapable of mixing; liquids that are unable to dissolve in one another
irregular object
objects with complex shapes
liquid
substance with definite volume but no definite shape
mass
amount of matter in a substance
matter
substances that make up the universe; anything that has mass and volume
melting
the phase change when a solid turns into a liquid
Weight
measure of force gravity
expansion
increase in volume of matter that occurs when heated
contraction
decrees in volume when cooled
dissolve
the process of making a solution
Solubilty
describes the amount of substance (the solute) that can dissolve in another (the solvent)
Saturation
A solution that will not dissolve any more solute at a given temperature and pressure; the solvent is FULL of the solute
Meniscus
the curved upper surface of water; read volume from bottom of meniscus
melting point
the temperature at which a solid turns into a liquid
Phase or State
solid liquid gas or plasma

phase of matter change with temperature and heat energy
product
A substance formed by a chemical reaction
Reactant
the starting substances in a chemical reaction
regular object
exterior dimensions can be mustered with a ruler
solid
substance with a definite shape or volume
Temperature
measure (in degrees) of the kinetic energy of particles hat make up matter
Volume
the amount of space a substance/ object takes up
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