flipping equations
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flipping equations
How do you know which equation to flip so that the electrons cancel out? Is it the reduction or oxidation equation that you flip?
Re: flipping equations
I'm still kind of confused on that too. I just know that to cancel the electrons out, make sure whatever you end up flipping, you're reduction equation has electrons on the left, and the oxidized equation has electrons on the right
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Re: flipping equations
This would depend on the situation given, but generally, you would want to manipulate the equations so that you end up with the standard potential of the cell being positive (the reaction is spontaneous). Use the equation E(cell)=E(electrode on right of cell diagram)-E(electrode on left of cell diagram)
Re: flipping equations
If I'm understanding your question correctly, you would flip the oxidation one, so that your electrons are on the right side of the equation, and on your left for the reduction half reaction.
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Re: flipping equations
The E(cell) has to be positive, so the cathode will always be the larger (more positive) reduction potential value, and the anode will then "be flipped" so that it is giving off an electron (oxidized).
Re: flipping equations
What are you guys referring to as "flipping"? Does this mean making one side negative or like looking at the reverse reaction instead?
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Re: flipping equations
The wording is definitely a little difficult to understand but I am also assuming that you are asking us for which redox hzlf equation to switch the product and reactant sides. I would say that generally, you would want to have the cell potential to be positive in order to allow the system to have spontaneous reaction.
Re: flipping equations
This is all based on the equation that Ecell = Eright - Eleft and as Eleft is the oxidation cell, you 'flip' the oxidation cell.
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