Beyond social media: Chemical kinetics with a mobile phone and household elements
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DOI
https://doi.org/10.25267/Rev_Eureka_ensen_divulg_cienc.2025.v22.i3.3401Info
Authors
- Martina Domínguez (AR) Departamento de Ingeniería Química. Universidad Nacional del Sur. Bahía Blanca https://orcid.org/0000-0001-7326-9025
- Marcos Seraín (AR) Departamento de Ingeniería Química. Universidad Nacional del Sur. Bahía Blanca https://orcid.org/0009-0007-1139-5158
- Jaime Bayona Solano (AR) Departamento de Ingeniería Química. Universidad Nacional del Sur. Bahía Blanca https://orcid.org/0009-0003-5206-0988
- Pablo De Genaro (AR) Universidad Nacional del Sur https://orcid.org/0009-0001-5433-1361
- Mayra Chalapud (AR) Departamento de Ingeniería Química. Universidad Nacional del Sur. Bahía Blanca https://orcid.org/0000-0002-8701-2041
- Andrés Ciolino (AR) Departamento de Ingeniería Química. Universidad Nacional del Sur. Bahía Blanca https://orcid.org/0000-0002-9482-3889
Abstract
This paper reports the use of mobile phones and freely available apps as tools for determining the kinetic order of reaction between a blue food coloring using a diluted solution of commercial sodium hypochlorite. The activity, implemented in the second semester of the 2024 academic year, was validated with the experimental data collected by a group of 30 second-year students of the Chemical Engineering degree. This effective, low-cost and environmentally friendly procedure allows to collect a large amount of data in a simple way by favoring discussion and subsequent statistical analysis. Moreover, it enables the introduction of chemical kinetics in a simple and accessible way, as a valid alternative choice to classical tests.
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Copyright (c) 2025 Martina Domínguez, Marcos Seraín, Jaime Bayona Solano, Pablo De Genaro, Mayra Chalapud, Andrés Ciolino
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