Andy, Jewel, Anna, etc etc. PLEASE use the same screen name. I can answer better and more fully if you use the same screen name throughout. It's confusing if I think I'm dealing with more than one.
You don't say where the Cr is coming from. I have assumed Cr metal and Cr^3+ and not [CrO4]^2- or [Cr2O7]^2-
Li(s) ==> Li^+ + e
Cr^3+ + 3e ==> Cr(s)
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Multiply equation 1 by 3 and add to equation 2 for the cell reaction.
What is the correctly balanced reaction for a Li-Cr voltaic cell?
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