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Homework Statement [/b] I need to balance the following redox equation K2Cr2O7 + H2C2O4 [2H2O] ----> K[Cr(C2O4)2(H2O)2]2H2O + CO2 + H2O . The attempt at a solution[/b] so far I have this but I am stuck 14H30{+} + Cr2O7{2-} + 3C2O4{2-} --> 2Cr{3+} + 21H2O + 6CO2

Hi I am having a lot of trouble with this problem. I don't actually know where to begin. A box with a square base and open top must have a volume of 62,500 cm3. Find the dimensions of the box that minimize the amount of material used. Need to find: sides of base cm height...