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.
Excess carbon dioxide is bubbled through a suspension of calcium hydroxide.
Model Answer
Ca(OH)2 + CO2 + H2O → Ca2+ + HCO3–
Acidified solutions of cerium(IV) and iron(II) are mixed.
Model Answer
Ce4+ + Fe2+ → Ce3+ + Fe3+
Solid calcium carbide is added to water.
Model Answer
CaC2 + H2O → Ca2+ + OH– + C2H2 (note: Ca(OH)2 was accepted as a product)
Excess concentrated ammonia is added to aqueous nickel(II) nitrate.
Model Answer
Ni2+ + NH3 → Ni(NH3)62+
Solutions of silver acetate and hydrobromic acid are mixed.
Model Answer
Ag+ + C2H3O2– + H+ + Br– → HC2H3O2 + AgBr
Gaseous hydrogen chloride is reacted with gaseous propene.
Model Answer
HCl + H3C–CH=CH2 → H3C–CHCl–CH3