Constructing an Electronic Calorimeter That Students Can Use to Make Thermochemical and Analytical Determinations during Laboratory Experiments

• Josu Lopez-Gazpio ^[1] ; Inigo Lopez-Gazpio ^[2]
  1. [1] Universidad del País Vasco/Euskal Herriko Unibertsitatea

     Universidad del País Vasco/Euskal Herriko Unibertsitatea

     Leioa, España

     
  2. [2] Universidad de Deusto

     Universidad de Deusto

     Bilbao, España

     
• Localización: Journal of chemical education, ISSN 0021-9584, Vol. 97, Nº 12, 2020, págs. 4355-4360
• Idioma: inglés
• DOI: 10.1021/acs.jchemed.0c00281
• Texto completo no disponible (Saber más ...)
• Resumen

  • In this article we describe the construction of a low-cost electronic device to adapt the widespread traditional approach of Analytical Chemistry teaching into laboratory experimentation based on the guided research model. To this aim we construct a portable electronic instrument based on the Arduino microcontroller and use it to develop various experiments. This instrument has been used, but is not limited, to determine thermochemical and analytical values of various enthalpies of neutralization, to measure the stoichiometry of neutralization, and to determine the concentration of an acid of unknown concentration.