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Bilanciare: MnO4(-) + C2O4(+) + H(+) -> Mn(2+) + CO2 +H2O? The area of a 45-45-90 triangle with one leg of length 8 is ? If the ratio of the lengths of the corresponding sides of two similar polygons is 2:3, then the ratio of their areas is ? Write the complete balanced equation for the decomposition of water (H2O).? For the following fusion reaction, calculate the change in energy of the reaction in units of joules per mole.?