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Does Molecular Mass Greatly Affect Boiling and Melting Points?

Ronald L. Rich

Bluffton, OH 45817-1112

J. Chem. Educ., 2004, 81 (5), p 643

DOI: 10.1021/ed081p643.1

Publication Date (Web): May 1, 2004

Abstract

Too many otherwise well-prepared chemists still teach and write about a supposed general dependence of boiling point on molecular “weight” or mass, and some readers may take this article as supporting that.

Keywords (Audience):

Upper-Division Undergraduate

Keywords (Domain):

Physical Chemistry

Keywords (Feature):

Letters

Keywords (Subject):

Phases / Phase Transitions / Diagrams

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Received: August 03, 2009

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Letter

Does Molecular Mass Greatly Affect Boiling and Melting Points?