Alexandre mesure la masse d'un verre contenant de l'eau du sirop de menthe et un glaçon.Il modélise quelques molécules présentes dans sa boisson et quelques molécules d'eau constituant le glaçon. a) La boisson est-elle un corps pur ou un mélange? Pourquoi? b) Si Alexandre fait chauffer sa boisson,le niveau du liquide diminue.Expliquer ce phénomène en le dessinant. MERCI.

By: USER8754
28 Agustus 2025 physique-chimie 5 minutes
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Grade: Education Subject: physique-chimie
Alexandre mesure la masse d'un verre contenant de l'eau du sirop de menthe et un glaçon.Il modélise quelques molécules présentes dans sa boisson et quelques molécules d'eau constituant le glaçon. a) La boisson est-elle un corps pur ou un mélange? Pourquoi? b) Si Alexandre fait chauffer sa boisson,le niveau du liquide diminue.Expliquer ce phénomène en le dessinant. MERCI.
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a) C'est un mélange car elle est composée de trois corps : l'eau, le sirop et le glaçon.
b) Le niveau du liquide diminue car il a crée un phénomène d'évaporation : une partie du liquide est évaporée. 
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Answered on 28 Agustus 2025

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