FinalStudyGuide

FinalStudyGuide - Che2A Final Study Guide History of...

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Unformatted text preview: Che2A Final Study Guide History of Chemistry • Lavosier – Law of Conservation of Mass • Proust – Law of Constant Composition • Dalton – Law of Multiple Proportions • Thomson and Faraday – Cathode Ray Tube; plum pudding model • Millikan – Oil drop; mass of an electron • Becquerel and Roentgen – X-rays and radioactivity • Rutherford – gold foil experiment; discovery of the nucleus • Chadwick – discovery of neutron Conversions • K = ° C + 273.15 • ° F = 95 ( ° C + 32) • ° C = 59 ( ° F – 32) • G – giga 10 9 • M – mega 10 6 • k – kilo 10 3 • d – deci 10-1 • c – centi 10-2 • m – milli 10-3 • µ - micro 10-6 • n – nano 10-9 Periodic Table • AZ X a: mass number (p + n) z: atomic number (p/e) x: element • Groups/family: vertical • Periods: horizontal • • Composition Problems • Atomic mass/percent abundance • atomic mass (%)( ) mass • Finding empirical formula 1) Find the mols of each atom 2) Divide by the smallest mol value...
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This note was uploaded on 05/24/2010 for the course CHE 2A D6 taught by Professor Enderle during the Winter '10 term at UC Davis.

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FinalStudyGuide - Che2A Final Study Guide History of...

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