Melting Point

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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


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