Melting Point
solid, liquid
when dealing with melting point, the ______ and _____ states of a solid are in equilibrium
narrow, broad
A ______ range melting point of a solid indicates high purity of a compound and a ______ range usually indicates an impure compound
mixed melting point
A ________ can be used to confirm the identity of a compound
high purity, impure compound
A narrow range melting point of a solid indicates________of a compound and a broad range usually indicates an ____________
authentic sample
When finding a mixed melting point, an ______ of the compound must be available
known sample, unknown sample, equal
When finding a mixed melting point, the ______ and _____ are mixed together in ______ quantities
unknown sample, known sample, not identical
When performing mixed melting point, if broadening or lowering occurs of the _______ by the _______, then the two samples are _________
unknown sample, known sample, identical
When performing mixed melting point, if there is no lowering of the _______ by the _______, then the two samples are _________
solids, range
_______ do not melt at a single temperature but rather at a ______
impurities, wider, lower
________ usually cause the melting point range to become ______ (as much as 20 degrees Celsius) and melting point to occur at _______ temperatures than that of a pure compound
1, 3
a sharp melting point range is generally ___ to ___ degrees
identity, purity
the melting point can be used to determine a compounds _____ and ______
melting point
the point at which a solid is defined as the temperature at which the solid and liquid states are in equilibrium