Aula #22

Oxidation-Reduction Reactions

Decomposition of H2O2

Oxidation-Reduction Reactions

Corrosion !!!

Oxidation-Reduction Reactions

Passivation SS (aço inox)

Oxidation-Reduction Reactions

Passivation Al ..Aluminium

Porous surface !!!

Oxidation-Reduction Reactions

Metal coating

barrier protection.

Oxidation-Reduction Reactions

Cathodic protection

Active protection.

Electrochemistry

Flow battery system … ENERGY Storage

Electrochemistry

Flow battery system … ENERGY Storage

Electrochemistry

Flow battery system … ENERGY Storage

high power density RFB cell stack designed

Reactions in Aqueous Solution

Precipitation Reactions

Solubility Equilibria

Reactions in Aqueous Solution

molecular equation

ionic equation

net ionic equationEquação iónica efectiva

Pb2+ + 2NO3- + 2Na+ + 2I- PbI2 (s) + 2Na+ + 2NO3

-

Na+ and NO3- are spectator ions

PbI2

Pb(NO3)2 (aq) + 2NaI (aq) PbI2 (s) + 2NaNO3 (aq)

precipitate

Pb2+ + 2I- PbI2 (s)

Precipitation Reactions

Solubility Equilibria

Precipitation of Lead Iodide

PbI2

Pb2+ + 2I- PbI2 (s)

Reactions in Aqueous Solution

Solubility Equilibria

Reactions in Aqueous Solution

Precipitation Reactions

Solubility Equilibria

Reactions in Aqueous Solution

Precipitation Reactions

Solubility Equilibria

Initial EquilibriumDisssolution

Dynamic

BaSO4 (s) Ba2+ (aq) + SO42- (aq)

Ksp = [Ba2+][SO42-]

Reactions in Aqueous Solution

Precipitation Reactions

Solubility Equilibria

multi-orifice-impinging transverse (MOIT) jet reactor

Reactions in Aqueous Solution

Precipitation Reactions

Solubility Equilibria

Reactions in Aqueous Solution

Precipitation Reactions

Solubility Equilibria

Reactions in Aqueous Solution

Solubility Equilibria