Chemical Reactions

redox reaction

involves the transfer of e- between species to yield ionic products

• lots of reactions are redox too

single replacement reaction

1 ion replaces another in a compound, producing a new compound

• redox reaction

double replacement reaction

2 compounds exchange atoms or ions to form 2 new compounds

COMPLETE combustion reaction

a carbon-containing compound burns in oxygen gas to form CO2 and H2O

• energy released as product in form of heat

INCOMPLETE combustion reactions

products are CO and H2O

(acid-base) neutralization reactions

double replacement between an acid and a base

• accompanied by the transfer of a p from acid to base

• redox reaction

• usually involve formation of salt and H2O

decomposition reaction

1 substance splits between 2 or more simpler substances

combination reaction

2 or more elements (or simple compounds) combine to form 1 product

precipitation reaction

solutions of 2 ionic substances are mixed, and an invisible solid ionic substance (precipitate) forms

• use solubility rules to predict if precipitate forms

acid-base reaction

acid substance reacts with base substance

acid-base gas forming reaction

many types

• NH4 combined with -OH —> forms water, salt and NH3

• CO3 or HCO3 with H —> forms water, salt and CO2

• SO3 or HSO with H —> forms water, salt, and SO2

• S with H —> salt and H2S

• CN with H —> salt and HCN