bonsoir, j'aimerais avoir de aider a mon exercice

Au cours d'une transformation chimique,en déduit alors comment varie la mass et le nombre d'atomes
merci d'avance ​

By: USER4685
27 Agustus 2025 physique-chimie 5 minutes
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Question

Grade: Education Subject: physique-chimie
bonsoir, j'aimerais avoir de aider a mon exercice

Au cours d'une transformation chimique,en déduit alors comment varie la mass et le nombre d'atomes
merci d'avance ​
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Answer (182)

Best Answer
(167)

Bonjour

Au cours d'une transformation chimique, il y a toujours conservation de la masse et conservation du nombre d'atomes de chaque espèce

Answered on 27 Agustus 2025

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