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Estudos Cinéticos da aquação do trans-[Co(en)2Cl2]Cl Kinetic studies of trans-[Co(en)2Cl2]Cl aquation

By Aline O. Moura, Paolla C. Martins, Lucas B. F. R. Cunha, Lucas B. Bolzon, Jonas Pertusatti and Alexandre G. S. Prado

Abstract

<abstract language="eng">The trans-dichlorobis(ethylenediamine)cobalt(III) chloride was synthesized in an undergraduate laboratory and its aquation reaction was carried out at different temperatures. This reaction follows pseudo-first-order kinetics and the rate constants, determined at 25, 35, 45, 55 and 70 º C, are 1.44 x 10-3; 5.14 x 10-3; 1.48 x 10-2; 4.21 x 10-2 and 2.21 x 10-1 s-1, respectively. The activation energy is 93.99 &plusmn; 2.88 kJ mol-1

Topics: Arrhenius equation, teaching experiment, activation energy, Chemistry, QD1-999
Publisher: Sociedade Brasileira de Química
Year: 2006
DOI identifier: 10.1590/S0100-40422006000200034
OAI identifier: oai:doaj.org/article:694b97a641104edd9a4a72c14d30f85a
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