Exam_3_Study_Guide

Exam_3_Study_Guide - Chemistry Exam 3 Study Guide Shortest...

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Chemistry Exam 3 Study Guide Shortest wavelength/highest energy Longest wavelength/lowest energy Gamma X ray Ultraviolet Visible Infrared Microwave Radio Violet red Gamma – destroy tissue X ray – penetrate tissue, kick some e’s off Ultraviolet – moves e’s, breaks some bonds Visible – moves e’s. jumps energy levels Infrared – molecules vibrate Microwave – spin molecules Radio – pass through tissue, flip molecules Long radio waves – communication through earth C = v * λ λ= wavelength v = frequency Amplitude is related to intensity Hydrogen Spectra 1/ λ = R(1/n1^2 – 1/n2^2) R = rydberg constant = 1.096776 m^-1 Bohr Equation for Hydrogen E = (-2.18 * 10^-18) (1/n2^2 – 1/n1^2) De Broglie wavelength λ = h/mu m = mass(g) h = 6.626*10^-34 kgm^2/s u = speed Heisenberg Uncertainty Principle ΔX * mΔu >= h/4π Δx = uncertainty in position Δu = uncertainty in speed Energy of 1 photon E = hv Exclusion Principle No atom has same set of 4 quantum numbers Quantum numbers (n, l, ml, ms) l =0=s Spdf
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Exam_3_Study_Guide - Chemistry Exam 3 Study Guide Shortest...

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