Write net equations for each of the combinations of reactants below. Use appropriate ionic and molec — Descriptive Chemistry Chemistry Question
Problem Context
Write net equations for each of the combinations of reactants below. Use appropriate ionic and molecular formulas and omit formulas for all ions or molecules that do not take part in a reaction. Write structural formulas for all organic substances. You need not balance the equations. All reactions occur in aqueous solution unless otherwise indicated.
Barium peroxide is added to water.
Model Answer
BaO2 + H2O → Ba2+ + HO2- + OH-
Acidic solutions of potassium iodide and potassium iodate are mixed.
Model Answer
I- + IO3- + H+ → I2 + H2O
A phosphoric acid solution is added to a solution of calcium hydrogencarbonate.
Model Answer
H3PO4 + Ca2+ + HCO3- → Ca3(PO4)2 + H2O + CO2
Solutions of lead(II) nitrate and potassium chromate are mixed.
Model Answer
Pb2+ + CrO42- → PbCrO4
Concentrated hydrochloric acid is added to an aqueous solution of cobalt(II) nitrate.
Model Answer
Co2+ + Cl- → CoCl42-
2-butanol is heated with concentrated sulfuric acid.
Model Answer
either isomer counts