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4e 2021 reaction

4e réaction

QuestionAnswer
Transformation chimique (définition) des molécules apparaissent et d'autres disparaissent (transformation ?)
A. de Lavoisier (citation) Rien ne se perd, rien ne se créer, tout se transforme
Les ..................... sont les mêmes durant la réaction chimique Les atomes sont les mêmes durant la ........................
Réactif espèce chimique qui disparait durant la réaction
Produit (de la réaction) espèce chimique qui apparait durant la réaction
Equation bilan Réactif 1 + Réactif 2 ---> produit 1 + Produit 2
Created by: eraxit
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