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Some bacteria get their energy from reduction of CO2 to CH4 by H2. 1. How many electrons are required to reduce CO2 to CH4? 2....Asked by Kim
Some bacteria get their energy from reduction of CO2 to CH4 by H2.
1. How many electrons are required to reduce CO2 to CH4?
2. Calculate the G for formation of methane based on the two standard reduction potential of -0.171V for reduction of CO2 to CH4 and -0.414V for reduction of H+ to H2.
1. How many electrons are required to reduce CO2 to CH4?
2. Calculate the G for formation of methane based on the two standard reduction potential of -0.171V for reduction of CO2 to CH4 and -0.414V for reduction of H+ to H2.
Answers
Answered by
DrBob222
4H2 + CO2 ==> CH4 + 2H2O
You have 2H2 ==> 4H^+ + 4e
and 2H2 + 4e ==> 4H^-
so (a) is 4 electrons.
If you add -.171 + 0.414 = ?
Then dG = -nEF to calculate dG.
You have 2H2 ==> 4H^+ + 4e
and 2H2 + 4e ==> 4H^-
so (a) is 4 electrons.
If you add -.171 + 0.414 = ?
Then dG = -nEF to calculate dG.
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