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Specific Heats of Oxygen at Coexistence
Robert D Goodwin1, Lloyd A Weber1
1Institute for Basic Standards, National Bureau of Standards, Boulder, Colorado 80302.
Abstract:
Specific heats of saturated liquid, along the coexistence path, are useful for computing thermodynamic properties throughout the compressed liquid phase. We report 86 experimental heat capacities of oxygen for the two-phase system, liquid plus vapor, from the triple-point to near the critical-point and corresponding derived values for the liquid phase. These results are represented by a formula which can be integrated for heat absorbed and for entropy. The changes in value of internal energy, enthalpy, and entropy of the saturated liquid are tabulated from the triple-point to the critical-point.
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