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What is the enthalpy change of solution of oxygen dissolved into water?

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At $\pu{25 ^\circ C}$ ($\pu{298.15 K}$), it is reported to be $\pu{(-12.06 ± 0.04) kJ mol-1}$ (Ref.1).

Reference:

  1. S.J. Gill, I. Wadsö, "Flow-microcalorimetric techniques for solution of slightly soluble gases. Enthalpy of solution of oxygen in water at $\pu{298.15 K}$," J. Chem. Thermodyn. 1982, 14(10), 905-919 (https://doi.org/10.1016/0021-9614(82)90001-5).
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  • $\begingroup$ What could be wrong with the question? $\endgroup$ – David Jonsson Nov 17 '20 at 14:47

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