2. Write proper chemical equations and balance the following reactions a) Write

Question

2.         Write proper chemical equations and balance the following reactions

            a)         Write a balanced chemical equation to represent the reaction of solid

magnesium and gaseous oxygen to form solid magnesium oxide.

b)Write a balanced equation to represent the decomposition of solid ammonium nitrate into dinitrogen monoxide gas and liquid water.

c)Write a balanced equation to represent the reaction of the gases chlorine and ammonia (NH3) with an aqueous solution of sodium hydroxide to form water, an aqueous solution containing sodium chloride, and hydrazine, N2H4.

Explanation / Answer

a) Unbalanced equation: Mg(s) + O2(g) MgO(s)

Balanced chemical equation to represent the reaction of solid magnesium and gaseous oxygen to form solid magnesium oxide is given as: 2 Mg(s) + O2(g) 2 MgO(s).

b) Unbalanced equation:   NH4NO3 N2O + H2O.

Balanced equation to represent the decomposition of solid ammonium nitrate into dinitrogen monoxide gas and liquid water is given as: NH4NO3 N2O + 2H2O.

c) Unbalanced equation:   NH3 + Cl2 + NaOH N2H4 + NaCl + H2O

Balanced equation to represent the reaction of the gases chlorine and ammonia (NH3) with an aqueous solution of sodium hydroxide to form water, an aqueous solution containing sodium chloride, and hydrazine, N2H4 is given as: 2 NH3 + Cl2 + 2 NaOH N2H4 + 2 NaCl + 2 H2O.

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