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Please help! AP Chemistry. Label the oxidation numbers. 1) Cl2 + H2 → HCl
2) HNO3 + HI → NO + I2 + H2O? How many solutions are there to the quadratic equation 4x^2 + 8x + 3 = 0? Please HELP!!! AP Chemistry label the oxidation numbers 1.Mg + HCl → H2 + MgCl2 2.Fe + O2 → Fe2O3? What is lower portion of electromagnetic spectrum ? How many liter make a gallon?