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Title: A kinetic-study of the association reaction ca(s-1)+o-2+he-]cao2+he in the temperature-range from 303-k to 986-k
Authors: Vinckier, Christiaan ×
Remeysen, J #
Issue Date: Jan-1994
Publisher: Amer chemical soc
Series Title: Journal of physical chemistry vol:98 issue:41 pages:10535-10538
Abstract: The rate constant k(1)(He) of the association reaction Ca + O-2 + He --> CaO2 + He has been measured in the temperature range from 303 to 986 K. The calcium atoms were thermally generated in a fast-flow reactor, and their decay as a function of the added molecular oxygen concentration was followed by atomic absorption spectroscopy. The third-order character having been established at 303 and 734 K, the expression k(1)(He) = (1.5 +/- 0.2) x 10(-28) exp(-10.2 +/- 0.4 kJ mol(-1)/RT) cm(6) molecule(-2) s(-1) has been derived. The bond energy of the CaO2 superoxide reaction product has been estimated on the basis of a simplified RRKM calculation and compared with calculated values from ab initio calculations.
ISSN: 0022-3654
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Molecular Design and Synthesis
× corresponding author
# (joint) last author

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