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Redox Process (Electrolytic cell (type (molten 氯化钠，三氧化二铝, aqueous solution…
Redox Process
Electrolytic cell
factors affecting reaction
choice of electrode
cathode: reduction
anode: oxidation
calculation
Q=IT
Q=N(e-)F
identify anode/cathode/polarity
cell diagram
type
molten 氯化钠，三氧化二铝
aqueous solution 氯化钾，硝酸钾
electroplating anode不纯，cathode纯
Redox reaction
writing overall/half equation
oxidants/reductants and activity series
definition
change in oxidation states
loss/gain electrons
addition/removal of oxygen/hydrogen
Winkler method / BOD
Votaic/electrolitic cell
cathode(+)/anode(-)/polarity
half equations at electrode
Daniel cell
construction
cell diagram
convention writing
Electrochemical series
how to use
left: higher E
right : lower E
spontaneity G=nFE 当cathode-anode大于0才反应
S.H.E