To an aqueous potassium permanganate solution, KMnO4 (aq) is added, dropwise, a solution of the slightly acidic aqueous solution of sodium bisulfite, NaHSO3 (aq), to form a brown precipitate, MnO2 (s). Using a balanced half-reaction, determine if (MnO4)^1-(aq) -> MnO2 (s) is a reduction or an oxidation. (10 points)

What effect does a decrease in temperature have on the overall rate of a chemical reaction? a decrease in temperature decreases . the reaction rate will

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Which statement correctly describes the phosphate ion, ? it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge on the phosphorus atom. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge on the phosphorus atom.