Download HW chapter 6

HW chapter 6
1/20/09
1.
Balance the following chemical equations:
a. ……B2O3(s) + …..HF(l)  …..BF3(a) + ……H2O(l)
b. …….PCl3(l) + ....H2O(l)  ......H3PO3(aq) + .......HCl(aq)
c. …….Cu2O(s) + ……..C(s)  ……Cu(s) + …..CO(g)
d. …….Na2O2(s) + ……H2O(l)  …..NaOH(aq) + O2(g)
2.
Write and balance the following chemical equations
a. Sulfuric acid is a component of acid rain formed when gaseous sulfur dioxide
pollutant reacts with gaseous oxygen and liquid water to form sulfuric acid.
b. Solid lead (II) sulfide reacts with aqueous hydrobromic acid to form solid lead (II)
bromide and dihydrogen sulfide gas
c. Gaseous carbon monoxide reacts with hydrogen gas to form gaseous methane (CH4)
and liquid water
d. Aqueous hydrochloric acid reacts with solid manganese (IV) oxide to form aqueous
manganese (II) chloride, liquid water, and chlorine gas