click below
click below
Normal Size Small Size show me how
SR and DR Chem Rxns
Review of Single Replacement & Double Replacement Rxns
| Question | Answer |
|---|---|
| The reason why we must balance chemical equations | Law of conservation of mass |
| Says that reaction is reversible & products formed at same rate as reactants | Equillibrium |
| Something that speeds up chemical reaction in living things | Enzyme |
| Label the chemical reaction: AB + C --> CB + A | single replacement |
| Label the chemical reaction: AB + CD --> AD + CB | double replacement |
| Group on the periodic table where halogens are found | 7A |
| Starting material in a chemical reaction | reactants |
| Ending material in a chemical reaction | products |
| Something that speeds up a chemical reaction in nonliving things | Catalyst |
| Try this number is trying to get rid of an odd subscript | 2 |
| Whole number(s) used to balance a chemical equation | Coefficient |
| This is never, ever, ever changed to try and balance a chemical equation | subscript |
| This whole number is used to keep the number of atoms the same in a chemical equation | 1 |
| CO2 and H2O are the products of what chemical equation | Combustion |
| Label the chemical reaction: AB --> A + B | Decomposition |
| Label the chemical reaction: CxHy + O2 --> CO2 + H2O | Combustion |
| Label the chemical reaction: A + B --> AB | Synthesis |