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A Computer Model for Soda Bottle Oscillations: "The Bottelator"

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Leonard J. Soltzberg , Peter G. Bowers and Christine Hofstetter

Department of Chemistry, Simmons College, Boston, MA 02115

J. Chem. Educ., 1997, 74 (6), p 711

DOI: 10.1021/ed074p711

Publication Date (Web): June 1, 1997

Section:

History, Education, and Documentation

Abstract

Oscillatory release of gas sometimes occurs when a small pinhole is made in a bottle of commercial soda water. We present experimental documentation of these oscillations, and have modeled them using the Stella II® modeling package. The oscillations arise because the headspace above the liquid in the bottle is repressurized by escaping bubbles, thereby temporarily shutting off further bubble nucleation. The system makes an extremely simple demonstration of far-from-equilibrium oscillations.

Keywords (Audience):

Upper-Division Undergraduate

Keywords (Domain):

Demonstrations

Keywords (Pedagogy):

Computer-Based Learning

Keywords (Subject):

Gases

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

The Simulation of Dynamic Systems
Sidney Toby and Frina S. Toby
Journal of Chemical Education1999 76 (11), 1584
- The Simulation of Dynamic Systems
  Sidney Toby and Frina S. Toby
  Journal of Chemical Education1999 76 (11), 1584
  A method, suitable for undergraduates, is given for simulating dynamic systems. The program used is free of copyright and when used with a fast PC will integrate a typical mechanism in a few seconds, making unnecessary any assumptions about steady states, ...
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