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chemolithotrophic organism

Cambridge University Press (1)

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7 - Redox Disequilibrium
from PART I - EQUILIBRIUM IN NATURAL WATERS
Craig M. Bethke, University of Illinois, Urbana-Champaign
Book:

Geochemical and Biogeochemical Reaction Modeling

Published online:

09 December 2021

Print publication:

06 January 2022, pp 87-96
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Summary

Natural waters close to Earth's surface almost invariably exist in states of redox equilibrium. Each half-cell reaction in a water is represented by a specific redox potential, measured in volts. Energy is released when electrons pass from an electron donating reaction to an accepting reaction at greater redox potential. The released energy is the basis of chemolithotrophic life.