Homework_6_S17_NME_220_Solutions.pdf

Homework_6_S17_NME_220_Solutions.pdf - NME 220 Introduction...

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NME 220: Introduction to molecular and nanoscale principles (S17) Prof. James M. Carothers Homework #6, Due electronically Wednesday, May 10, 2017 at 12:30pm Objective: This homework has a lot of questions, but, they are short! The purpose is to integrate material from the book with material from on-going/upcoming quantum mechanics lectures relevant to understanding the forces driving molecular interactions. Textbook reading assignment: Chapter 4.1-4.3 (p. 89 to 100) Section 1. Book Chapter problems 4.3-4.11 Section 2. Lecture-derived short-answer problems. 2.1 True or False: Vibration at surfaces may affect rates of substrate binding and catalysis True. 2.2 True or False: Quantum mechanical harmonic oscillators do not have quantized energy levels. False. Quantum mechanical oscillators do have quantized energy levels. 2.3 What is 'zero-point' energy? Zero-point energy is the vibrational energy of harmonic oscillators at 0 K. 2.4 The rigid rotor is the simplest conceptual model for molecular rotation. By analogy, what is the simplest model for a) constrained translation b) vibration?
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