Writing and Classifying Chemical Reactions- Answers

 

1. a) Mg(s) + 2 HCl(aq) MgCl2(aq) + H2(g)

b) 2 NH4NO3(s) 2 N2(g) + O2(g) + 4 H2O(l)

 

2. a) 6 Na(s) + N2(g) 2 Na3N(s)

b) O2(g) + 2 NO(g) 2 NO2(g)

c) 2 C2H6(g) + 7 O2(g) 4 CO2(g) + 6 H2O(l)

d) 2 AlCl3(aq) + 3 Na2CO3(aq) Al2(CO3)3(s) + 6 NaCl(aq)

3. & 4.

1. a) single replacement, oxidation-reduction

b) decomposition, oxidation-reduction

2. a) synthesis, oxidation-reduction

b) synthesis, oxidation-reduction

c) combustion, oxidation-reduction

d) double displacement, precipitation