Standard E values and inverse values

[Mary Becerra 2D]

If we have a hypothetical A ---> B E= 123, does that mean that B ---> A E= -123?

[Jessica Yang 1J]

E is an intensive property so I think that E (red) will stay the same regardless. However, when approaching problems to solve for E(cell), I found this earlier post that explains it quite well, because I know Dr. Lavelle went over calculating E (cell) in two ways.

viewtopic.php?t=5188

I hope this helps you out

[Sarah Maraach 2K]

E is the reduction potential of an atom, so if A --> B is reduction and B --> A is the same atom but getting oxidized, then E would be negative. But if A --> B is a reaction, then E shouldn't change since it is not a state property such as enthalpy.