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ADV CHEM
Unit 6 Part 1 Test: 2/21
| Question | Answer |
|---|---|
| indicators of chemical reactions | emission of light or heat formation of a gas formation of a precipitate color change emission of odor |
| reactants | original substance |
| product | resulting substance |
| law of conservation of mass | mass cannot be created or destroyed |
| single replacement | A +BC -> AC + B |
| double replacement | AB + CD -> CB + AD |
| synthesis | A + B -> AB |
| decomposition | AB -> A + B |
| combustion | carbon reacts with oxygen C + O -> CO2 + H2O |
| hydrocarbon | hydrogen and carbon together needed for combustion |
| effects of double replacement | precipitation gaseous reaction water |
| diatomic elements | hydrogen nitrogen oxygen fluorine chlorine bromine iodine |