STUDIES IN THE THERMOCHEMISTRY OF BORON-CONTAINING MOLECULES

STUDIES IN THE THERMOCHEMISTRY OF BORON-CONTAINING MOLECULES

A high precision semi-micro aneroid isothermal calorimeter was developed and is described. It may be used to investigate the calorimetry of a wide range of reacting systems including those where one component is a gas. Its heat capacity is 100 cal deg to the -1 power and, in conjunction with its anc...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Mackle,Henry, Frisch,Margaret A
Format: Report
Sprache:eng
Schlagworte:
ARSINES
CALORIMETERS
CHEMICAL BONDS
COMPLEX COMPOUNDS
DIBORANES
GASES
HEAT OF REACTION
INSTRUMENTATION
LABORATORY EQUIPMENT
LIQUIDS
PHOSPHINE
PHOSPHINE/TRIPHENYL
SOLIDS
THERMOCHEMISTRY
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Beschreibung
Zusammenfassung:A high precision semi-micro aneroid isothermal calorimeter was developed and is described. It may be used to investigate the calorimetry of a wide range of reacting systems including those where one component is a gas. Its heat capacity is 100 cal deg to the -1 power and, in conjunction with its ancillary equipment, it is capable of measuring heat outputs of the order of ten calories with a precision of plus or minus 0.1%. It has been used to study the heats of addition of diborane to the following organic bases of the group V elements: Mono-, di-, and tri-phenyl phosphine; triphenyl arsine. The results are tabulated in detail in the main body report. (Author)