Lecture 20: Seafloor electricity Flashcards

1
Q

Difference between a reduced and oxidised element?

A

An oxidized element has lost electrons
A reduced element has gained electrons

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2
Q

What happens to electrons during redox reactions?

A

During redox reactions, electrons are transferred between different elements

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3
Q

What does redox potential (๐‘ฌ๐‘ฏ๐ŸŽ) determine?

A

The redox potential (๐‘ฌ๐‘ฏ๐ŸŽ) determines which element becomes oxidized โ€“ and this relates to Gibbs free energy and the โ€˜redox sequenceโ€™ in the seafloor

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4
Q

High or low redox potential?

A

The half-reaction with the higher potential will oxidize the reduced form of the lower potential

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