Abstract
A SIMPLE relation between the variation of mass in a physical change of state or chemical reaction and the rate of variation with gravitational potential of the corresponding change of total internal energy can be deduced as follows:—Let m1 and m2 denote the masses of the initial and final states of the chemical system and Q the heat evolved, say at constant temperature and pressure, and at the gravitational potential Z. Considering the following isothermal cycle:
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DONNAN, F. Heat of Reaction and Gravitational Field. Nature 104, 392–393 (1919). https://doi.org/10.1038/104392b0
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DOI: https://doi.org/10.1038/104392b0
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