Um experimento com propostas múltiplas para um laboratório de química geral

Autor: Simoni Déborah de Alencar, Andrade João Carlos de, Faigle José Fernando Gregório, Simoni José de Alencar

Publikováno v: Química Nova, Vol 25, Iss 6a, Pp 1034-1039 (2002)

This article suggests a sequence of experiments on the preparation, analysis and some photochemical aspects of potassium tris (oxalato) ferrate(III) trihydrate. The sequence of experiments could be carried out in four or five 4-hour laboratory period

Externí odkaz: https://doaj.org/article/12ef4f22ea144577855847339cfc533c

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Conceiving an experimental discipline: a contribution to general chemistry

Autor: Simoni,Deborah de Alencar, Andrade,João Carlos de, Simoni,José de Alencar

Publikováno v: Química Nova, Vol 34, Iss 10, Pp 1818-1824 (2011)
Química Nova, Volume: 34, Issue: 10, Pages: 1818-1824, Published: 2011
Química Nova v.34 n.10 2011
Química Nova
Sociedade Brasileira de Química (SBQ)
instacron:SBQ

The purpose of this paper is to present a classification criterion for general chemistry experiments departing from a survey of 35 years of the experimental general chemistry discipline at the Chemistry Institute - UNICAMP. It is shown that by consid

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::21aab182d7a620d20592cbf8ae0b1d2a
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422011001000015&lng=en&tlng=en

Refletindo sobre o caso celobar®

Autor: Tubino, Matthieu, Simoni, José de Alencar

Publikováno v: Química Nova, Volume: 30, Issue: 2, Pages: 505-506, Published: APR 2007

By mid 2003, the Brazilian people accompanied astonished, in the press, the news about the death of more than 20 persons due to ingestion of a pharmaceutical product containing a suspension of barium sulfate (Celobar®) commonly used as a radiologica

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______608::a2cca7178d7d6757850a18dbbd1982a5
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422007000200048&lng=en&tlng=en

Diagramas de Ellingham e de Van't Hoff: algumas considerações

Autor: Simoni, José de Alencar, Chagas, Aécio Pereira

Publikováno v: Química Nova, Volume: 30, Issue: 2, Pages: 501-504, Published: APR 2007

The main subject of this article is to show the parallelism betwen the Ellingham and Van't Hoff diagrams. The first one is a graphic representation of the changes in the standard Gibbs free energy (deltarGtheta) as a function of T and was introduced

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______608::54cd914f3cc4cef25ae959d2904b0208
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422007000200047&lng=en&tlng=en