CHEM 1120

These documents include information about matter, measurements, the three forms of water, pure substances, mixtures, chemical reactions, units of measurements, scientific notation, Sig Figs, uncertainty in measurements, measured vs exact numbers, unit conversions, conversion factors, equations on chemical balances, balancing chemical equations an problems to look at step by step, classes of chemical reactions, significant digits, exact vs inexact numbers, converting between numbers, elements and...

Gas laws and states of matter!

• Sublimation: A process in which a solid change directly to a gas. • Melting, boiling, and sublimation all have H>0, and S>0. This means they are nonspontaneous below and spontaneous above a certain temperature.