CHEM 1A Study Guide - Midterm Guide: Trigonal Planar Molecular Geometry, John Torrey, Trigonal Bipyramidal Molecular Geometry
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As indicated, either fill in blank space with appropriate symbol or number or circle the correct answer(s). Some multiple choice questions may have more than one correct answer, in which case all correct answers are required for full credit. Use back of pages for your scratch work. R = 8. 3 j. k-1 . mol-1 = 0. 082 l. atm. k-1 . mol-1 kb = 1. 4 10-23 j . Avogadro"s number, n0 6. 0 1023 mol-1. Planck"s constant, h 6. 6 10-34 j. s. Speed of light, c 3. 0 108 m . s-1. Lowest (ground state) electronic energy of a hydrogenic atom with nuclear charge ze, E = -rhz2, rh 2. 2 10-18 j. Average distance of the electron from the nucleus of a hydrogenic atom of nuclear charge ze, a0/z, a0 0. 5 = 50 pm: A particle of mass m and momentum p has kinetic energy. The energy of a photon with frequency is e = h .
