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enthalpies

  • plural
    of enthalpy.
    enthalpy
    noun
    a quantity associated with a thermodynamic system, expressed as the internal energy of a system plus the product of the pressure and volume of the system, having the property that during an isobaric process, the change in the quantity is equal to the heat transferred during the process. H

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Viewed in this manner, the enthalpy of sublimation for a substance may be estimated as the sum of its enthalpies of fusion and vaporization, as illustrated in Figure 10.28.

From Textbooks ● Feb. 14, 2019

Which of the enthalpies of combustion in Table 5.2 the table are also standard enthalpies of formation?

From Textbooks ● Feb. 14, 2019

This same logic can be used to derive an approximate relation between the enthalpies of all phase changes for a given substance.

From Textbooks ● Feb. 14, 2019

Hess’s law can also be used to show the relationship between the enthalpies of the individual steps and the enthalpy of formation.

From Textbooks ● Feb. 14, 2019

Thus, in calculating enthalpies in this manner, it is important that we consider the bonding in all reactants and products.

From Textbooks ● Feb. 14, 2019

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