CHEM 1201 (CHEM101)

exam 2 notes

This is intro. to Chemistry class notes on atoms, molecules, ions. This document goes into detail about the law of conservation of mass, the law of multiple proportions, John Dalton and the Atomic Theory of Matter, the discovery of the electron, Millikan Oil Drop experiment, radioactivity, the atom (circa 1900), the discovery of the nucleus, the nuclear atom, interpreting elemental entries on the periodic table, elements can have more than one isotope, atomic mass, using weight average calculati...

This is intro. to Chemistry class notes on chemical reactions and reaction stoichiometry. This document goes into detail about formula weights expressing the mass of a substance, calculating the percent compositions from chemical formulas, how you measure atoms, relating atoms and molecules to measurable terms, using the units of Avogadro's number, the definition of molar mass, calculating the molar mass, calculating the molar mass of hydrates, mole in practice, practicing using mole conversion...

This is intro. to Chemistry class notes on . This document goes into detail about aqueous solutions being created by dissolving a substance in water, ionic molecules dissociating in aqueous solutions if they are soluble, water being an effective solvent, molecular compounds dissolving in water, the difference between a solution of ionic vs. molecular molecules, dissociation of soluble ionic molecules creating electrolytes, recap of ionic vs. molecular compounds, strong vs. weak electrolytes, cla...

This is intro. to Chemistry class notes on molarity. This document goes into detail about molarity, concentration can also be expressed in terms of mass, solutions can be defined by molarity and its parts, examples of calculating molarity, calculating the parts per million, examples, dilutions, dilution by adding water, reverse engineering a stock solution alloquot, combining solutions requires us to find total ion concentration and total volume, dilution by combining solutions, titrations being...

This is intro. to Chemistry class notes on matter, energy, and measurements. This document goes into detail about the SI units of measurement, using the metric system for simple conversions of SI units, temperature, volume, density, the uncertainty in measurement, accuracy versus precision, the rules for determining significant figures, significant figures in calculations, and dimensional analysis.

This is intro. to Chemistry class notes on arranging the quantized definitions in terms of energy. This document goes into detail about how electrons are arranged around a nucleus, electron configurations, Hund's rule (dictating how electrons fill orbitals), the periodic table, a representation of electron arrangement around a nucleus, electron configurations showing all of the orbitals and the electrons in them by increasing energy, shorthand notation method, noble gas configurations (how they...

This is intro. to Chemistry class notes on stoichiometry - calculations with chemical formulas and equations. This document goes into detail about stoichiometry, chemical equations describing the process of a chemical reaction, how stoichiometry is important and necessary for balancing and quantifying reactions, understanding and using stoichiometry, chemical equations keeping track of all atoms in a reaction, changing coefficients and subscripts altering equations in different ways, the informa...

This is intro. to Chemistry class notes on . This document goes into detail about the basic concepts of chemical bonding, electron orbitals, what constitutes as a chemical bond, making ionic bonds, defining ionic materials, energy that holds ionic molecules together, lattic energies for some ionic compounds, qualitatively determining relative lattice energies, examples using lattice energy, what a covalent bond is, predicting why some atoms form covalent bonds, drawing lewis structures, using th...

This is intro. to Chemistry class notes on empirical formulas. This document goes into detail about empirical formulas, calculating an empirical formulas from the percent composition, finishing calculations by turning moles into a mole ratio, what to do if the normalized ratios aren't whole numbers, how you can gat the molecular formula from the empirical formula, steps to determine molecular formulas from the percent composition, balanced equations giving ratios of quantitative information, mo...