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The State of Division of Solids and Chemical Equilibria

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João C. M. Paiva

The Secondary School, Penacova, Portugal

Victor M. S. Gil

Department of Chemistry, University of Coimbra, Coimbra 3000, Portugal

J. Chem. Educ., 2001, 78 (2), p 222

DOI: 10.1021/ed078p222

Publication Date (Web): February 1, 2001

Section:

History, Education, and Documentation

Abstract

An experiment and a computer simulation are presented to address a counterintuitive situation often encountered when teaching chemical equilibria. This is prompted by the question "How can the subdivision of a solid reactant affect the reaction rate and not the composition of the equilibrium state?"

Keywords (Audience):

First-Year Undergraduate / General

Keywords (Pedagogy):

Misconceptions / Discrepant Events

Keywords (Subject):

Equilibrium

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

Using Computer Simulations To Teach Salt Solubility. The Role of Entropy in Solubility Equilibrium
Victor M. S. Gil , João C. M. Paiva
Journal of Chemical Education2006 83 (1), 170
- Using Computer Simulations To Teach Salt Solubility. The Role of Entropy in Solubility Equilibrium
  Victor M. S. Gil , João C. M. Paiva
  Journal of Chemical Education2006 83 (1), 170
  The question of solubility of salts in water, besides being a field of interest in itself, provides good examples for the illustration of basic thermodynamics applied to chemistry. In this paper two pairs of salts, NaCl and CaCO3, and MgCO3 and MgSO4, are ...
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