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Chapter 6.2
WAITE Chapter 6.2 describing chemical reactions
| Term | Definition |
|---|---|
| chemical equation | a short, easy way to show a chemical reaction, using symbols |
| reactant | A substance that undergoes change in a chemical reaction |
| product | A substance formed as a result of a chemical reaction |
| law of conservation of matter | the principle that states matter cannot be created nor destroyed and that the mass of the reactants equal the mass of the products. |
| open system | a system where matter is able to leave or enter. |
| closed system | a system where no matter is able to leave or enter. |
| coefficient | the number in front of a chemical formula in an equation that tells how many molecules or atoms of each reactant and product are in a reaction. |
| subscript | a number attached to an element symbol in a chemical equation that sits below the letter. |