Slide 1 of 54 20-5 Batteries: Producing Electricity Through Chemical Reactions Primary Cells (or batteries). Cell reaction is not reversible. Secondary.
Properties of Seawater Last time talked about properties of water (Table 7.2) - dissolves solids and gases readily (“universal solvent”) Addition of dissolved.
Electrochemical Cells. Spontaneous Redox Reaction - Zn + Cu 2+ Zn (s) + Cu 2+ (aq) Zn 2+ (aq) + Cu (s)
Lecture 253/28/07. Secondary Batteries (rechargeable) NiCad E° = 1.229 V Cathode: 2NiO(OH) (s) + 2H 2 O + 2e - 2Ni(OH) 2 (s) + 2OH - Anode: Cd(s) +
Vanessa Prasad-Permaul Valencia Community College CHM 1045.
Fuel Cells & Rechargeable Batteries By Anisha Kesarwani 2013.
1 Electrochemistry. 2 Electricity Movt of electrons Movt of electrons Movt of electrons through wire connecting 2 half-reactions electrochemical cell.
CHAPTER 17 Electrochemistry – part 2. Electrolysis and Electrolytic Cells Anode: where oxidation takes place ◦ Anions are oxidized at this electrode ◦