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Unit 4 Chemical Rxns
TE Unit 4 Chemical Reactions
| Question | Answer |
|---|---|
| Chemical Equation | A representation, with symbols and formulas, of the identites and relative amounts of the reactants and products in a chemical reaction |
| Coefficient | A small whole number that appears in front of a formula in a chemical equation |
| Precipitate | A solid that is produced as a result of a chemical reaction in a solution and that separates from the solution |
| Reversible Reaction | A chemical reaction in which the products re-form the original reactants |
| Generic Equation | An equation that uses symbols or letters (A,B,C,D) to represent chemical substances in a reaction |
| Combustion Reaction | A reaction in which a hydrocarbon reacts with oxygen, releasing energy in the form of light and heat |
| Decomposition Reaction | A reaction in which a single compound produces two or more simpler substances |
| Double-Replacement Reaction | A reaction in which the ions of two compounds exchange places in an aqueous solution to form two new compounds |
| Synthesis Reaction | A reaction in which two or more substances combine to form a new compound |
| Single-Replacement Reaction | A reaction in which one element replaces a similar element in a compound |
| Activity Series | A list of elements organized according to the ease with which the elements undergo certain chemical reactions |
| Particle Diagram | A diagram that shows the atoms and the bonding involved when atoms are rearranged during a chemical reaction |
| Diatomic element | atoms that exist in pairs due to electron sharing Br I N Cl H O F |
| Reactant | substance(s) on the left side of the reaction equation |
| Product | substance(s) on the right side of the reaction equation |
| Subscript | the small numbers that indicate how many of each type of atom are in the molecule |
| coefficient | the large number written in front of a chemical formula that tells how many of that particle there are |
| state of matter | solid, liquid, gas, or aqueous |
| aqueous solution | a substance that has been dissolved in water |
| Law of Conservation of Mass | atoms cannot be created or destroyed during a chemical reaction |
| balanced equation | an chemical reaction equation that includes coefficients |
| hydrocarbon | a compound that contains hydrogen and carbon |
| solubility | how well a substance dissolves in water |
| net ionic equation | an equation where only the ions involved in the formation of a new substance are shown |
Created by:
kost
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