| A | B |
|---|
| aq | aqueous--dissolved in water |
| aqueous | dissolved in water |
| reactants | left side of equation |
| products | right side of equation |
| coefficient | large number in front of compound indicates number of molecules of compounds |
| exothermic | type of reaction that gives off heat |
| endothermic | chemical reaction that absorbs energy |
| combustion | burning |
| coefficient | used to balance the number of atoms of each element on each side of the equation so follows law of conservation of mass |
| synthesis | type of reaction where 2 or more simple components are combined to form a more complex substance |
| analysis/decomposition | type of reaction where complex substance is broken down |
| double replacement | pattern of this type of equation/reaction AB + CD --> AC + BD |
| synthesis | pattern of this type of equation/reaction A + B --> AB |
| single replacement | pattern of this type of equation/reaction AB + C --> AC + B |
| analysis/decomposition | pattern of this type of equation/reaction A B --> A + B |
| synthesis | type of equation for the following reaction 2Na + Cl2 --> 2 NaCl |
| single replacement | type of equation for the following reaction 2NaCl + Mg --> MgCl2 + 2Na |
| decomposition/analysis | type of equation for the following reaction 2 NaCl--> 2 Na + Cl2 |
| double replacement | type of equation for the following reaction 2 NaCl + Mg Br2 --> 2NaBr + Mg Cl2 |
| precipitate | cause (a substance) to be deposited in solid form from a solution. |
| aqueous | aq |
| solid | (s) |
| gas | (g) |
| liquid | (l) |
| combustion | type of reaction that emits light or heat |
| combustion | products are CO2 and H2O |
| cation displacement | single replacement equations in which 2 metals exchange places |
| anion displacement | single replacement equation in which 2 negative ions exchange positions to form product |
| synthesis/composition | type of reaction: element + element --> compound |
| analysis/decomposition | type of reaction: compound --> element + element |
| single replacement -cation | Mg + 2HCl → H₂ + MgCl₂ |
| NaCl + I2 | correct formulas for the products in these single replacement reactions.: Cl₂ + NaI → |
| double replacement | FeS + HCl → FeCl₂+ H₂S |
| decomposition | 2HgO → 2Hg + O₂ |
| coefficent | a number placed in front of a chemical symbol or formula. It shows how many atoms or molecules of the substance are involved in the reaction |
| law of conservation of matter | matter cannot be created or destroyed but only change forms |
| chemical reactions | occur as a result of bonds forming or breaking |
| Lavoisier | developed law of conservation of matter |
| Stoichiometry | the relationship between the relative quantities of substances taking part in a reaction or forming a compound, |
| Empirical Formula | A formula showing the lowest whole number ratio of atoms in a compound |
| reactant | What is present in the chemical reaction from the start of it |
| Stoichiometry | In Greek, stoikhein means element and metron means measure, |
| product | the chemical formed at the end of a chemical reaction after it is done |
| Chemical equation | A __________ is a symbolic representation of a chemical reaction. |
| Conservation of mass | The law of __________ states that the total amount of matter within a closed system will remain constant, regardless of the processes acting inside the system. |
