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Dive into the research topics where Harold M. Feder is active.

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Featured researches published by Harold M. Feder.


Advances in Physics | 1967

Thermodynamic properties and ordering in liquid NaK alloys

Fred A. Cafasso; Vishwa M. Khanna; Harold M. Feder

Abstract The thermodynamic activities of sodium and potassium were determined by vapour-phase absorption spectrophotometry of atomic resonance lines. Both components exhibit significant positive deviations from ideality. Excess Gibbs energies computed from the activity data were combined with available heat-of-mixing data to yield values for excess entropies. The entropy of mixing which was found to be ideal in the sodium-rich liquid alloys provides no support for the earlier speculations about the existence of Na2K molecules therein. The partial molar excess entropy of sodium in dilute solution in potassium was found to be surprisingly large and negative for a system of this type. A plausible model, involving sodium-sodium pairing, is proposed to account for the loss of configurational entropy.


The Journal of Physical Chemistry | 1971

SOLUBILITY OF HELIUM AND ARGON IN LIQUID SODIUM.

Ewald Veleckis; Sanat K. Dhar; Fred A. Cafasso; Harold M. Feder

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Pure and Applied Chemistry | 1961

Fluorine bomb calorimetry

Ward N. Hubbard; Jack L. Settle; Harold M. Feder

Techniques which were developed for fluorine bomb calorimetry are described. Construction materials, safety measures, manipulation of samples, and calorimeter calibration are discussed. Tests carried out on 25 metals and metalloids and on 15 inorganic compounds indicated that reactions of 75% of these substances with fluorine could be studied calorimetrically. It is concluded that fluorine calorimetry can be carried out without undue hazard and is


The Journal of Physical Chemistry | 1963

FLUORINE BOMB CALORIMETRY. V. THE HEATS OF FORMATION OF SILICON TETRAFLUORIDE AND SILICA1,2

Stephen S. Wise; John L. Margrave; Harold M. Feder; Ward N. Hubbard


The Journal of Physical Chemistry | 1961

FLUORINE BOMB CALORIMETRY. I. THE HEAT OF FORMATION OF ZIRCONIUM TETRAFLUORIDE1,2

Elliott Greenberg; Jack L. Settle; Harold M. Feder; Ward N. Hubbard


The Journal of Physical Chemistry | 1961

FLUORINE BOMB CALORIMETRY. II. THE HEAT OF FORMATION OF MOLYBDENUM HEXAFLUORIDE1

Jack L. Settle; Harold M. Feder; Ward N. Hubbard


The Journal of Physical Chemistry | 1962

THE HEAT OF FORMATION OF SILICA AND SILICON TETRAFLUORIDE1,2

Stephen S. Wise; John L. Margrave; Harold M. Feder; Ward N. Hubbard


The Journal of Physical Chemistry | 1965

Fluorine Bomb Calorimetry. XI. The Enthalpy of Formation of Yttrium Trifluoride1

Edgars Rudzitis; Harold M. Feder; Ward N. Hubbard


The Journal of Physical Chemistry | 1966

Fluorine Bomb Calorimetry. XVI. The Enthalpy of Formation of Boron Nitride1,2

Stephen S. Wise; John L. Margrave; Harold M. Feder; Ward N. Hubbard


The Journal of Physical Chemistry | 1964

Fluorine Bomb Calorimetry. IX. The Enthalpy of Formation of Magnesium Difluoride1,2

Edgars Rudzitis; Harold M. Feder; Ward N. Hubbard

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Ward N. Hubbard

Argonne National Laboratory

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Edgars Rudzitis

Argonne National Laboratory

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Jack L. Settle

Argonne National Laboratory

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Elliott Greenberg

Argonne National Laboratory

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Fred A. Cafasso

Argonne National Laboratory

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Gerald K. Johnson

Argonne National Laboratory

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