Chem. Ch. 8 Vocab. 1. chemical equation- a representation, w/ symbols and formulas, of the identities and relative amounts of the reactants and products in a chemical reaction.
2. coefficient- a small whole number that appears in front of a formula in a chemical equation. 3. formula equation- a representation of the reactants and products of a chemical reaction by their symbols or formulas.
4. precipitate- a solid that is produced as a result of a chemical reaction in solution and that separates from the solution. 5. reversible reaction- a chemical in which the reactants and products re-form the original reactant… 6.
word equation- an equation in which the reactants and products in a chemical reaction are represented by words. 7. combustion reaction- a reaction in which a substance combines w/ oxygen, releasing a large amount of energy in the form of light and heat. 8.
composition reaction- a reaction in which 2 or more substances combine to form a new compound. 9. decomposition reaction- a reaction in which a single compound produces 2 or more similar substances. 10. displacement reaction- a reaction in which one element replaces a similar element in a compound.
11. double- replacement reaction- a reaction in which the ions of 2 compounds exchange places in an aqueous solution to form two new compounds. 12. electrolysis- the process in which an electric current is used to produce an oxidation- reduction reaction- also the decomposition of substance by an electric current. 13. single replacement reaction -reaction in which one element replaces a similar element in a compound.
The Essay on Chemical Compounds Bromine
The element Bromine, is a red liquid which is explosive at room temperature and has a red brown vapour. It has an atomic number of 35 and an atomic mass of 79.909. The melting point of Bromine is -7 deg.C and the boiling point is 58 degC with a relative density of 3.1. Bromine is a volatile dense mobile, that is a reddish brown liquid, which quickly gives a brown toxic valour with a disagreeable ...
14. synthesis reaction- a reaction in which 2 or more substances combine to form a new compound. 15. activity series- a list of elements organized according to the case which the elements undergo certain chemical reactions.