Abstract
The bomb calorimeter is the reference practice for studying the molar internal energy of combustion, but it is not part of the equipment of school laboratories. Faced with this limitation, the Educaplus.org simulator offers an alternative based on a verifiable mat-hematical model that preserves the essential quantitative relationships of the real experiment. This work analyses its scientific basis and its possibilities and limitations, taking as a basis both the associated sequence of activities and the code that regula-tes its operation. The analysis shows that the simulator allows students to work on fundamental aspects including calorimeter calibration, the influence of the mass of water, the role of stirring, the calculation of the molar internal energy of combustion, and the relationship between the mass of fuel and the increase in temperature.
References
Real Decreto 243/2022, de 5 de abril, por el que se establecen la ordenación y las enseñanzas mínimas del Bachillerato, BOE, 6 abr. 2022, n. 82, disponible en https://www.boe.es/eli/es/rd/2022/04/05/243/con (consultado: 10/03/2026).
A. H. Johnstone, J. Chem. Educ. 1997, 74, 262-268, https://doi.org/10.1021/ed074p262.
V. Barker, R. Millar, Int. J. Sci. Educ. 2000, 22, 1171-1200, https://doi.org/10.1080/09500690050166742.
T. J. Greenbowe, D. E. Meltzer, Int. J. Sci. Educ. 2003, 25, 779-800, https://doi.org/10.1080/09500690305032.
J. P. Montoya Vanegas, Trabajo de Maestría, Universidad Nacional de Colombia, 2012.
Z. C. Zacharia, G. Olympiou, Learn. Instr. 2011, 21, 317-331, https://doi.org/10.1016/j.learninstruc.2010.03.001.
T. de Jong, M. C. Linn, Z. C. Zacharia, Science 2013, 340, 305-308, https://doi.org/10.1126/science.1230579.
Educaplus.org, “Bomba calorimétrica”, disponible en https://www.educaplus.org/game/bomba-calorimetrica, 2026 (consultado: 05/04/2026).
P. W. Atkins, J. de Paula, Physical Chemistry, Oxford University Press, Oxford, 2014, pp. 56–62.
National Institute of Standards and Technology. U.S Department of Commerce, NIST Chemistry WebBook: NIST Standard Reference Database, n. 69. Gaithersburg, 2026 https://doi.org/10.18434/T4D303.
S. Li, P. Gao, X. Yu, X. Li, X. He, J. Chem. Thermodyn. 1990, 22, 319–320, https://doi.org/10.1016/0021-9614(90)90206-6.

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