Allea Cauilan, Adjunct Instructor at East Los Angeles College, Numerade Educator

11:21

World of Chemistry

Identify each of the following unbalanced reaction equations as belonging to one or more of the following categories: precipitation, acid–base, or oxidation–reduction.
a. $\mathrm{K}_{2} \mathrm{SO}_{4}(a q)+\mathrm{Ba}\left(\mathrm{NO}_{3}\right)_{2}(a q) \rightarrow$ $\mathrm{BaSO}_{4}(s)+\mathrm{KNO}_{3}(a q)$
b. $\mathrm{HCl}(a q)+\mathrm{Zn}(s) \rightarrow \mathrm{H}_{2}(g)+\mathrm{ZnCl}_{2}(a q)$
c. $\mathrm{HCl}(a q)+\mathrm{AgNO}_{3}(a q) \rightarrow$
$\mathrm{HNO}_{3}(a q)+\mathrm{AgCl}(s)$
d. HCl $(a q)+\mathrm{KOH}(a q) \rightarrow \mathrm{H}_{2} \mathrm{O}(l)+\mathrm{KCl}(a q)$
e. $\mathrm{Zn}(s)+\mathrm{CuSO}_{4}(a q) \rightarrow \mathrm{ZnSO}_{4}(a q)+\mathrm{Cu}(s)$
f. $\mathrm{NaH}_{2} \mathrm{PO}_{4}(a q)+\mathrm{NaOH}(a q) \rightarrow$
$\mathrm{Na}_{3} \mathrm{PO}_{4}(a q)+\mathrm{H}_{2} \mathrm{O}(l)$
g. $\mathrm{Ca}(\mathrm{OH})_{2}(a q)+\mathrm{H}_{2} \mathrm{SO}_{4}(a q) \rightarrow$
$\quad \mathrm{CaSO}_{4}(s)+\mathrm{H}_{2} \mathrm{O}(l)$
h. $\mathrm{ZnCl}_{2}(a q)+\mathrm{Mg}(s) \rightarrow \mathrm{Zn}(s)+\mathrm{MgCl}_{2}(a q)$
i. $\mathrm{BaCl}_{2}(a q)+\mathrm{H}_{2} \mathrm{SO}_{4}(a q) \rightarrow$
$\mathrm{BaSO}_{4}(s)+\mathrm{HCl}(a q)$

Chapter 8: Reactions in Aqueous Solutions

Section 3: Classifying Reactions