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A drop of water with dissolved oxygen sits on an iron… | StemPy Lab

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A drop of water with dissolved oxygen sits on an iron sheet and rust forms. Which reaction takes place where the oxygen is used up, at the cathode region?

ChemistryMediumHigh School (11–12)Electrochemistry › Conductance, Electrolysis and Batteries NEET AP A-Level IB

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A drop of water with dissolved oxygen sits on an iron sheet and rust forms. Which reaction takes place where the oxygen is used up, at the cathode region?

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← Assertion (A): a scratched zinc coat still protects the iron below it. Reason (R): zinc has a higher reduction potential than iron.A hydrogen and oxygen fuel cell supplies 0.640 A for 3.5 hours. What mass of oxygen is used? Use M(O₂) = 32.0 g/mol and F = 96500 C/mol. →

More onElectrochemistry › Conductance, Electrolysis and Batteries

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