Examinando por Materia "TERMOQUÍMICA"

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  • Miniatura
    PublicaciónAcceso abierto
    Lección de Química # 11 Termoquímica
    (2014-05-27) Lopez-Díaz, L. (Laura); Arango, S. (Sergio)
    Thermochemistry is the area of chemistry that studies chemical reactions that release energy or need. Calling endothermic the reactions that require energy and exothermic when the energy is released.
  • Miniatura
    PublicaciónAcceso abierto
    Lección de Química # 12 Termoquímica
    (2014-05-27) Lopez-Díaz, L. (Laura); Arango, S. (Sergio)
    Hess's law states that the enthalpy change in a chemical reaction will be the same if it is produced in one stage or in several stages.
  • Miniatura
    PublicaciónAcceso abierto
    Lección de Química # 14 Termoquímica
    (2014-05-27) Lopez-Díaz, L. (Laura); Arango, S. (Sergio)
    Chemical reactions that produce or require energy to occur are studied by the branch of chemistry known as thermochemical, where the escaping heat in one reaction is quantified and working in enthalpic terms.