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Archaea
/
2017
/
Article
/
Tab 1
/
Review Article
Reverse Methanogenesis and Respiration in Methanotrophic Archaea
Table 1
Gibbs free energy changes under standard conditions (
) for anaerobic methane oxidation coupled to different electron acceptors (possibly) performed by ANME.
Reaction
Gibbs free energy (
, kJ mol
−1
)
CH
4
+
→
+ HS
−
+ H
2
O
−16.3
(2) CH
4
+ 4
→
+ 4
+ H
2
O + H
+
−517.2
(3) CH
4
+ 8 Fe(OH)
3
+ 16 H
+
→ CO
2
+ 8 Fe
2+
+ 22 H
2
O
−571.2
(4) CH
4
+ 4 MnO
2
+ 8 H
+
→ CO
2
+ 4 Mn
2+
+ 6 H
2
O
−763.2
(5) CH
4
+ 4/3 Cr
2
+ 32/3 H
+
→ 8/3 Cr
3+
+ CO
2
+ 22/3 H
2
O
−841.4