Writing Equations for Reactions Write the correct formulas for each reactant and

Question

Writing Equations for Reactions

Write the correct formulas for each reactant and place a yield arrow () after the last reactant.

Identify reaction type: single or double displacement, using the guidelines outlined thus far.

If you determine that a reaction will occur, write the correct formula(s) of the products after the If you determine that a reaction will not occur, simply write “no reaction” after the arrow.

Balance the equation (to ensure mass conservation).

Be sure to include the physical states of all reactants and products in your final equation.

1) Aqueous sodium chloride + aqueous silver nitrate

2) Zinc metal + hydrochloric acid

3) Aqueous sodium phosphate + aqueous copper(II) sulfate

4) Copper metal + aqueous silver nitrate

5) Hydrochloric acid + solid sodium bicarbonate (just a small scoop)

6) Aqueous nickel(II) nitrate + aqueous sodium hydroxide

7) Copper metal + aqueous zinc nitrate

8) Hydrochloric acid + aqueous sodium hydroxide

9) Aqueous sodium chloride + aqueous potassium nitrate

10) Magnesium metal + sulfuric acid

11) Aqueous iron(III) chloride + aqueous ammonium hydroxide

Explanation / Answer

1) Aqueous sodium chloride + aqueous silver nitrate

NaCl(aq) + AgNO3(aq) ---------------> AgCl(s) + NaNO3(aq)    double displacement

2) Zinc metal + hydrochloric acid

    Zn(s) + 2HCl(aq) -----------------> ZnCl2(aq) + H2(g) single displacement

3) Aqueous sodium phosphate + aqueous copper(II) sulfate

   2Na3PO4(aq) + 3CuSO4(aq) ---------------> 3Na2SO4 (aq) + Cu3(PO4)2 (s)   double displacement

4) Copper metal + aqueous silver nitrate

    Cu(s) + 2AgNO3(aq) -----------------> Cu(NO3)2(aq) + 2Ag(s)    single displacement

5) Hydrochloric acid + solid sodium bicarbonate (just a small scoop)

       HCl(aq) + NaHCO3(aq) ------------------> NaCl(aq) + CO2(g) + H2O(l)

6) Aqueous nickel(II) nitrate + aqueous sodium hydroxide

      Ni(NO3)2(aq) + 2NaOH(aq)---------------> 2NaNO3(aq) + Ni(OH)2(s)   double displacement

7) Copper metal + aqueous zinc nitrate

   Cu(s) + Zn(NO3)2 (aq) ----------------> No reaction

8) Hydrochloric acid + aqueous sodium hydroxide

       HCl(aq) + NaOH(aq) ----------------> NaCl(aq) + H2O(l) acid -base reaction

9) Aqueous sodium chloride + aqueous potassium nitrate

      NaCl(aq) + KNO3(aq) -----------------> KCl(aq) + NaNO3(aq)   double displacement

10) Magnesium metal + sulfuric acid

        Mg(s) + H2SO4(aq) -----------> MgSo4(aq) + H2(g) single displacement

11) Aqueous iron(III) chloride + aqueous ammonium hydroxide

        FeCl3(aq) + 3NH4OH(aq) ---------> NH4Cl(aq) + Fe(OH)3(s)    double displacement

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