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This page provides a simple browsing interface for finding entities described by a property and a named value. Other available search interfaces include the page property search, and the ask query builder.
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- Partial oxygen pressure + (The '''partial oxygen pressure''' ''p''< … The '''partial oxygen pressure''' ''p''<sub>O<sub>2</sub></sub> [kPa] is the contribution of the O<sub>2</sub> gas pressure to the total gas pressure. According to the gas law, the partial oxygen pressure is ''p''<sub>O<sub>2</sub>(g)</sub> = ''n''<sub>O<sub>2</sub>(g)</sub>·''V''·''RT'', where the [[concentration]] is ''c''<sub>O<sub>2</sub>(g)</sub> = ''n''<sub>O<sub>2</sub>(g)</sub>·''V''<sup>-1</sup> [mol·m<sup>-3</sup>], ''R'' is the [[gas constant]], and ''T'' is the absolute temperature, and ''RT'' is expressed in units of chemical force [J·mol<sup>-1</sup>]. In aqueous solutions at equilibrium with a gas phase, the partial O<sub>2</sub> pressures are equal in the aqueous phase (aq) and gas phase (g), ''p''<sub>O<sub>2</sub>(aq)</sub> = ''p''<sub>O<sub>2</sub>(g)</sub> at total [[pressure]]s where the partial pressure equals the fugacity. The O<sub>2</sub> concentration in the aqueous phase, however, is much lower than in the gas phase, due to the low [[oxygen solubility]] in water. The activity of dissolved O<sub>2</sub> is expressed by the ''p''<sub>O<sub>2</sub></sub>, where the [[solubility]] can be seen as an activity coefficient.ubility]] can be seen as an activity coefficient.)
