Problem 76
Write a balanced equation for each of the following neutralization reactions: (a) Potassium hydroxide solution is added to phosphoric acid. (b) Strontium hydroxide solution is added to acetic acid.
Problem 77
Complete and balance each of the following neutralization reactions: (a) \(\mathrm{HNO}_{3}(a q)+\mathrm{Ba}(\mathrm{OH})_{2}(a q) \rightarrow\) (b) \(\mathrm{H}_{2} \mathrm{SO}_{4}(a q)+\mathrm{NaOH}(a q) \rightarrow\)
Problem 78
Complete and balance each of the following neutralization reactions: (a) \(\mathrm{HNO}_{2}(a q)+\mathrm{Ba}(\mathrm{OH})_{2}(a q) \rightarrow\) (b) \(\mathrm{H}_{2} \mathrm{SO}_{3}(a q)+\mathrm{NaOH}(a q) \rightarrow\)
Problem 79
If a chemical equation is impossible to balance, what is most likely the problem?
Problem 80
If the sum of the coefficients of reactants is equal to \(5,\) is the sum of the coefficients of products equal to \(5 ?\)
Problem 81
Balance each of the following chemical equations by inspection: (a) \(\mathrm{Fe}(\mathrm{s})+\mathrm{H}_{2} \mathrm{O}(\mathrm{g}) \rightarrow \mathrm{Fe}_{3} \mathrm{O}_{4}(\mathrm{~s})+\mathrm{H}_{2}(g)\) (b) \(\mathrm{FeS}(s)+\mathrm{O}_{2}(g) \rightarrow \mathrm{Fe}_{2} \mathrm{O}_{3}(\mathrm{~s})+\mathrm{SO}_{2}(g)\)
Problem 82
Balance each of the following chemical equations by inspection: (a) \(\mathrm{FeO}(l)+\mathrm{Al}(l) \rightarrow \mathrm{Al}_{2} \mathrm{O}_{3}(l)+\mathrm{Fe}(l)\) (b) \(\mathrm{MnO}_{2}(l)+\mathrm{Al}(l) \rightarrow \mathrm{Al}_{2} \mathrm{O}_{3}(l)+\mathrm{Mn}(l)\)
Problem 83
Balance each of the following chemical equations by inspection: (a) \(\mathrm{F}_{2}(g)+\operatorname{NaBr}(a q) \rightarrow \operatorname{Br}_{2}(l)+\operatorname{NaF}(a q)\) (b) \(\mathrm{Sb}_{2} \mathrm{~S}_{3}(\mathrm{~s})+\mathrm{HCl}(a q) \rightarrow \mathrm{SbCl}_{3}(a q)+\mathrm{H}_{2} \mathrm{~S}(g)\)
Problem 85
Balance each of the following combustion reactions by inspection: (a) \(\mathrm{CH}_{4}(g)+\mathrm{O}_{2}(g) \rightarrow \mathrm{CO}_{2}(g)+\mathrm{H}_{2} \mathrm{O}(g)\) (b) \(\mathrm{C}_{3} \mathrm{H}_{8}(g)+\mathrm{O}_{2}(g) \rightarrow \mathrm{CO}_{2}(g)+\mathrm{H}_{2} \mathrm{O}(g)\)
Problem 86
Balance each of the following combustion reactions by inspection: (a) \(\mathrm{CH}_{4} \mathrm{O}(l)+\mathrm{O}_{2}(g) \rightarrow \mathrm{CO}_{2}(g)+\mathrm{H}_{2} \mathrm{O}(g)\) (b) \(\mathrm{C}_{3} \mathrm{H}_{8} \mathrm{O}(l)+\mathrm{O}_{2}(g) \rightarrow \mathrm{CO}_{2}(g)+\mathrm{H}_{2} \mathrm{O}(g)\)
