A Simple Penny Analysis

Nicholas C. Thomas and Stephen Faulk
Department of Chemistry, Auburn University Montgomery, Montgomery, AL 36124-4023
J. Chem. Educ., 2008, 85 (6), p 817
DOI: 10.1021/ed085p817
Publication Date (Web): June 1, 2008

Abstract

A simple procedure for determining the zinc composition of U.S. pennies is described. The penny zinc core is dissolved in acid and the evolved hydrogen gas is collected by water displacement.

Keywords (Audience):

First-Year Undergraduate / General

Keywords (Domain):

Analytical Chemistry

Keywords (Pedagogy):

Hands-On Learning / Manipulatives

Keywords (Subject):

Acids / Bases

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This article has been cited by 1 ACS Journal articles (1 most recent appear below).

  • Cover Image

    Metals in Metal Salts: A Copper Mirror Demonstration

    Robert D. Pike
    Journal of Chemical Education2010 87 (10), 1062-1063
    • Metals in Metal Salts: A Copper Mirror Demonstration

      Robert D. Pike
      Journal of Chemical Education2010 87 (10), 1062-1063

      A simple lecture demonstration is described to show the latent presence of metal atoms in a metal salt. Copper(II) formate tetrahydrate is heated in a round-bottom flask forming a high-quality copper mirror.

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History

  • Received: August 03, 2009

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