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Chemistry LibreTexts

Answers to Writing and Classifying Chemical Reactions

1.        

  1. Mg(s) + 2 HCl(aq) → MgCl2(aq) + H2(g)
  2. 2 NH4NO3(s) → 2 N2(g) + O2(g) + 4 H2O(l)

 

2.        

  1. 6 Na(s) + N2(g) → 2 Na3N(s)
  2. O2(g) + 2 NO(g) → 2 NO2(g)
  3. 2 C2H6(g) + 7 O2(g) → 4 CO2(g) + 6 H2O(l)
  4. 2 AlCl3(aq)  +  3 Na2CO3(aq)  →  Al2(CO3)3(s)  +  6 NaCl(aq)

 

3. & 4.

            1.

  1. single replacement, oxidation-reduction
  2. decomposition, oxidation-reduction

            2.

  1. synthesis, oxidation-reduction
  2. synthesis, oxidation-reduction
  3. combustion, oxidation-reduction
  4. double displacement, precipitation