Decomposition: When can it occur, and what are some signs of it happening.
Sample heated too much in air
Darkening or effervescence of the sample
What are Polymorphs?
Different crystalline forms of the same compound which have different but sharp melting points.
What are Hydrates?
Compounds that cystallize with water incorporated in their crystal latice in a definite proportion by weight.
Hydrates melt at a different temp than the anhydrous compound.
Lab 1 cards