The Group KÉMYZTRÍ We are a group of students, integrated for Manu Vargas, Juanjo Góngora, Agus Fernández, Gonzaa Angerami and Lucas Mol...

Agustina Fernandez - Part of Basic Concepts

The tiniest speck of dust or drop of liquid, that one can see is made up of many millions or billions of these molecules. Mixtures are substances where chemicals are mixed but not reacted. An example would be mixing sand and salt. This can be undone again to produce salt and sand separately. Chemical compounds are changed by a chemical reaction. An example would be heating sodium bicarbonate, common baking soda. It will make water, carbon dioxide, and sodium carbonate. This reaction cannot be undone. Record
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