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Physical Chemistry in Context: Using Quantum Mechanics to Understand the Greenhouse Effect

    1. [1] University of Portland

      University of Portland

      Estados Unidos

  • Localización: Journal of chemical education, ISSN 0021-9584, Vol. 100, Nº 3, 2023, págs. 1333-1342
  • Idioma: inglés
  • Texto completo no disponible (Saber más ...)
  • Resumen
    • The concepts taught in an undergraduate physical chemistry course are directly related to the molecular processes governing climate change, yet the connections between quantum mechanical molecular properties and global warming are rarely made explicit. To improve student knowledge about climate change, we developed a three-part activity that computationally and experimentally explores blackbody radiation, the greenhouse effect, and the relationship between IR absorption properties and global warming potentials for the anthropogenic greenhouse gases defined in the Paris Agreement. The activities addressed the traditional learning objectives of a quantum-focused physical chemistry course by exploring topics such as the quantized nature of energy in Planck’s Law, the selection rules for rovibrational transitions, and discrepancies between theoretical models and observed experimental results. However, our approach was unique in that each concept was addressed within the context of the atmospheric phenomena related to climate change. A previously published climate science survey instrument was administered pre- and postactivity to assess student learning gains. The average percent of correct responses on this survey increased from 44% to 68% as a result of completing the activities.


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