Topic 10 - Energy from electrons III

Question 1

Slope of Nernst equation when calculation number of electrons and protons:

Answer 1

(2.303RT/F)*(m/n)

Question 2

Which of the two can vary with pH in a redox reaction: electrons or protons?

Answer 2

protons

Question 3

Where does (de)protonation have to happen to affect Em?

Answer 3

Anywhere in the molecules, not only the redox centre

Question 4

What are the 4 ways in which bacteria can use an external solid redox material?

Answer 4

1. Redox material as an electron acceptor
2. Redox material as an electron donor
3. As a conductor
4. As an acceptor and donor