ELECTROCHEMISTRY
What is Electrochemistry? When chemical changes or reactions occur that are caused by electrical energy applied
What does REDOX mean? REDOX is the abbreviation for Reduction- Oxidation Reactions
Definitions What is Reduction? When an atom or ion GAINS one or more electrons Na + + 1e - Na What is Oxidation? When an atom or ion LOSES one or more electrons Cu Cu e -
O I L R I G XIDATIONXIDATION SO S of e - EDUCTIONEDUCTION SA I N of e -
Identify the type of half-reaction Ag Ag + + 1e - __________________ Fe e - Fe__________________ Al e - Al__________________ Pd Pd + + 1e - __________________ Hg e - Hg__________________
Applications of Electrochemistry Electroplating Layering a metal of atoms over the surface of another metal Car bumpers Pennies Metal processing Extracting Al 3+ ions from the soil and turning it into pure Al metal Batteries Converts chemical energy to electrical energy using electrochemical cells