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Chem Unit 4 Vocab
Question | Answer |
---|---|
Single replacement | When one element replaces another in a compound |
Empirical Formula | The symbols for the elements combined in a compound, with subscripts showing the smallest whole number mole ratio of the different atoms in the compound. |
Decomposition | When a single compound reacts to produce 2 or more substances |
Combustion | When a substance combines with O gas |
Mole Ratio | Relates the amount of moles of any two substances in a reaction |
Stoichiometry | The study of quantities of materials consumed and produced in Chemical reactions |
Limited reactant | Substance that is used up in the reaction |
Synthesis | When 2 or more substances combine to form a new one |
Percent Composition | Mass of element in sample compound divided by Mass of sample of compound X 100 |
Double Displacement | .When the ions of 2 compounds exchange places |