Chapter 3, Problem 100QP

Determine whether each of the following equations represents a combination reaction, a decomposition reaction, or a combustion reaction: ${\text{(a) 2NaHCO}}_{\text{3}}\to {\text{Na}}_{\text{2}}{\text{CO}}_{\text{3}}{\text{+CO}}_{\text{2}}{\text{+H}}_{\text{2}}{\text{O, (b) NH}}_{\text{3}}\text{+HCl}\to {\text{NH}}_{\text{4}}{\text{Cl, (c) 2CH}}_{\text{3}}{\text{OH+3O}}_{\text{2}}\to {\text{2CO}}_{\text{2}}{\text{+4H}}_{\text{2}}\text{O}\text{.}$