(1) Identify each of the following half-reactions as either an oxidation half-reaction or a reduction half-reaction. half-reaction identification Pb2+(aq) + 2e-Pb(s) Cr2+(aq)Cr3+(aq) + e- (2) Write a balanced equation for the overall redox reaction. Use smallest possible integer coefficients. + +
Science behind corrosion-test
Corrosion is defined as an activity that transforms refined metals into more chemically stable forms such as oxide, hydroxide, carbonate, or sulfide. It refers to the slow decomposition of things (typically metals); thanks to chemical and/or electrochemical reactions with their surroundings. Corrosion engineering is the science of preventing and controlling corrosion.
Corrosion
Corrosion is defined as an activity that transforms refined metals into more chemically stable forms such as oxide, hydroxide, carbonate, or sulfide. It refers to the slow decomposition of things (typically metals); thanks to chemical and/or electrochemical reactions with their surroundings. Corrosion engineering is the science of preventing and controlling corrosion.
(1) Identify each of the following half-reactions as either an oxidation half-reaction or a reduction half-reaction.
| half-reaction | identification |
|---|---|
| Pb2+(aq) + 2e-Pb(s) |
|
| Cr2+(aq)Cr3+(aq) + e- |
|
(2) Write a balanced equation for the overall
| + | + |
|---|
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