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Unit7ChemicalReactio
Unit 7- Chemical Reactions
Term | Definition |
---|---|
Conservation of Mass | mass is neither created nor destroyed in a chemical reaction, total mass stays the same |
Diatomic Elements | Br I Cl F HON |
Synthesis | combination of 2 or more reactancs to form one product A+B->AB |
Decomposition | a compound breaks down into 2 or more simpler substances (one reactant) AB-> A+B |
Single Replacement | one element replaces another in a compound A+BC-> B+AC MORE ACTIVE/HIGHER METAL REPLACES LOWER METAL |
Double Replacement | ions in two compounds "change partners" AB+CD-> AD+CB |
Combustion | the burning of any substance in O2 to produce heat |
Reactions in Aqueous solutions only occur if _____, _______, or ______ are formed | precipitate, gas, or water |