CHEM 1A Study Guide - Midterm Guide: Matter Wave, Momentum, Atomic Orbital

5 views9 pages
8 Jan 2019
School
Department
Course
Professor

Document Summary

Contents: 9 pages: multiple choice (7 points, stoichiometry (10 points, photoelectric effect (8 points, particle-in-a-box (6 points, atomic orbitals (6 points, ionic bonding (6 points, covalent bonding (10 points) Basic scientific calculators are ok. set brains in high gear and go! R = 8. 3145 j mol-1 k-1 h = 6. 6261 10-34 j s c = 2. 9979 108 m s-1 me = 9. 1094 10-31 kg. N0 = 6. 0221 1023 mol-1 molar volume at stp = 22. 4 l. Planck relation: de broglie relation: wave equation: uncertainty principle p c = h = 2 ma particle-in-a-box hydrogen atom linear momentum kinetic energy photoelectric effect n. = 2. 18 10 18 j p mv= Ekin (e-) = h - = h - h 0. 3: (10 points) stoichiometry and acid etching (a) (2 points) hydrofluoric acid, hf, can be used to etch glass by reaction with solid sio2 (i. e. glass) to form silicon tetrafluoride (sif4) and water.