Problem 16
Complete and balance each combustion equation. a) \(\mathrm{B}_{2} \mathrm{H}_{6}+\mathrm{O}_{2} \rightarrow ?\) (The oxide of boron formed is \(\mathrm{B}_{2} \mathrm{O}_{3}\).) b) \(\mathrm{Al}_{2} \mathrm{~S}_{3}+\mathrm{O}_{2} \rightarrow ?\) (The oxide of sulfur formed is \(\mathrm{SO}_{2}\).) c) \(\mathrm{Al}_{2} \mathrm{~S}_{3}+\mathrm{O}_{2} \rightarrow ?\) (The oxide of sulfur formed is \(\mathrm{SO}_{3}\).)
Problem 16
Use the solubility rules to predict if each double-replacement reaction will occur and, if so, write a balanced chemical equation. a) \(\mathrm{Na}_{2} \mathrm{CO}_{3}+\mathrm{Sr}\left(\mathrm{NO}_{2}\right)_{2} \rightarrow ?\) b) \(\left(\mathrm{NH}_{4}\right)_{2} \mathrm{SO}_{4}+\mathrm{Ba}\left(\mathrm{NO}_{3}\right)_{2} \rightarrow\) ?
Problem 16
Write the complete and net ionic equations for the neutralization reaction between \(\mathrm{HClO}_{3}(\mathrm{aq})\) and \(\mathrm{Zn}(\mathrm{OH}) 2(\mathrm{~s})\) using the hydronium ion in place of \(\mathrm{H}^{+}\). Assume the salt is soluble. What difference does it make when using the hydronium ion?
Problem 16
Identify what is being oxidized and reduced in this redox equation by assigning oxidation numbers to the atoms. $$ \mathrm{Fe}+\mathrm{SO}_{3} \rightarrow \mathrm{FeSO}_{3} $$
Problem 17
Use the solubility rules to predict if each double-replacement reaction will occur and, if so, write a balanced chemical equation. a) \(\mathrm{K}_{3} \mathrm{PO}_{4}+\mathrm{SrCl}_{2} \rightarrow\) ? b) \(\mathrm{NaOH}+\mathrm{MgCl}_{2} \rightarrow\) ?
Problem 17
Identify what is being oxidized and reduced in this redox equation by assigning oxidation numbers to the atoms. $$ 2 \mathrm{KrF}_{2}+2 \mathrm{H}_{2} \mathrm{O} \rightarrow 2 \mathrm{Kr}+4 \mathrm{HF}+\mathrm{O}_{2} $$
Problem 18
Use the solubility rules to predict if each double-replacement reaction will occur and, if so, write a balanced chemical equation. a) \(\mathrm{KC}_{2} \mathrm{H}_{3} \mathrm{O}_{2}+\mathrm{Li}_{2} \mathrm{CO}_{3} \rightarrow\) ? b) \(\mathrm{KOH}+\mathrm{AgNO}_{3} \rightarrow\) ?
Problem 18
Identify what is being oxidized and reduced in this redox equation by assigning oxidation numbers to the atoms. $$ \mathrm{SO}_{3}+\mathrm{SCl}_{2} \rightarrow \mathrm{SOCl}_{2}+\mathrm{SO}_{2} $$
Problem 19
Identify what is being oxidized and reduced in this redox equation by assigning oxidation numbers to the atoms. \(2 \mathrm{~K}+\mathrm{MgCl}_{2} \rightarrow 2 \mathrm{KCl}+\mathrm{Mg}\)
Problem 20
Identify what is being oxidized and reduced in this redox equation by assigning oxidation numbers to the atoms. $$ \mathrm{C}_{7} \mathrm{H}_{16}+11 \mathrm{O}_{2} \rightarrow 7 \mathrm{CO}_{2}+8 \mathrm{H}_{2} \mathrm{O} $$
