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Physique-Chimie |
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| Lycée et enseignement supérieur |
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Centrale-Supélec - TSI 2001
Chimie :
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| Sujet |
L'azote :
L'ammoniac : synthèse de l'ammoniac, l'ammoniac en solution aqueuse (dosage pH-métrique, dosage conductimétrique, le ligand NH3 )
Passage de l’ammoniac à l’acide nitrique : les composés intermédiaires, oxydation de NO en NO2 , dimérisation de NO2 en N2O4
Diagramme potentiel-pH simplifié de l'élément azote
Énoncé : http://b.louchart.free.fr/Documents/CE/01/CS/Centrale_TSI_2001_Chimie_Enonce.pdf |
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| Corrigé |
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