Đáp án:
Bạn tham khảo lời giải ở dưới nhé!!
Giải thích các bước giải:
Bài 1:
b,
\(\begin{array}{l}
N{H_4}N{O_3} + NaOH \to NaN{O_3} + N{H_3} + {H_2}O\\
3N{H_3} + 2{H_3}P{O_4} \to {(N{H_4})_2}HP{O_4} + N{H_4}{H_2}P{O_4}\\
3Ca{(OH)_2} + 2N{H_4}{H_2}P{O_4} \to C{a_3}{(P{O_4})_2} + 2N{H_3} + 6{H_2}O\\
C{a_3}{(P{O_4})_2} + 4{H_3}P{O_4} \to 3Ca{({H_2}P{O_4})_2}\\
Ca{({H_2}P{O_4})_2} + Ba{(OH)_2} \to CaHP{O_4} + BaHP{O_4} + 2{H_2}O
\end{array}\)
c,
\(\begin{array}{l}
5C + C{a_3}{(P{O_4})_2} + 3Si{O_2} \to 5CO + 2P + 3CaSi{O_3}\\
3Ca + 2P \to C{a_3}{P_2}\\
3C{a_3}{P_2} + 34HN{O_3} \to 9Ca{(N{O_3})_2} + 6{H_3}P{O_4} + 16NO + 8{H_2}O\\
2N{H_3} + 2{H_3}P{O_4} \to {(N{H_4})_2}HP{O_4} + N{H_4}{H_2}P{O_4}\\
{(N{H_4})_2}HP{O_4} \to N{H_3} + N{H_4}{H_2}P{O_4}\\
Ca{(OH)_2} + N{H_4}{H_2}P{O_4} \to CaHP{O_4} + N{H_3} + 2{H_2}O
\end{array}\)
d,
\(\begin{array}{l}
CaC{O_3} \to CaO + C{O_2}\\
CaO + {H_2}O \to Ca{(OH)_2}\\
Ca{(OH)_2} + C{O_2} \to CaC{O_3} + {H_2}O\\
CaC{O_3} + C{O_2} + {H_2}O \to Ca{(HC{O_3})_2}\\
Ca{(HC{O_3})_2} \to CaC{O_3} + C{O_2} + {H_2}O
\end{array}\)
e,
\(\begin{array}{l}
4P + 5{O_2} \to 2{P_2}{O_5}\\
P + 5HN{O_3} \to {H_3}P{O_4} + 5N{O_2} + {H_2}O\\
{P_2}{O_5} + 3{H_2}O \to 2{H_3}P{O_4}\\
2{H_3}P{O_4} + 3Ca{(OH)_2} \to C{a_3}{(P{O_4})_2} + 6{H_2}O\\
{H_3}P{O_4} + 3NaOH \to N{a_3}P{O_4} + 3{H_2}O\\
N{a_3}P{O_4} + 3AgN{O_3} \to 3NaN{O_3} + A{g_3}P{O_4}\\
C{a_3}{(P{O_4})_2} + 4{H_3}P{O_4} \to 3Ca{({H_2}P{O_4})_2}\\
Ca{({H_2}P{O_4})_2} + Ca{(OH)_2} \to 2CaHP{O_4} + 2{H_2}O\\
3CaHP{O_4} \to C{a_3}{(P{O_4})_2} + {H_3}P{O_4}\\
5C + C{a_3}{(P{O_4})_2} + 3Si{O_2} \to 5CO + 2P + 3CaSi{O_3}
\end{array}\)
Câu 2:
a,
\(\begin{array}{l}
C + {O_2} \to C{O_2}\\
C{O_2} + C \mathbin{\lower.3ex\hbox{$\buildrel\textstyle\rightarrow\over
{\smash{\leftarrow}\vphantom{_{\vbox to.5ex{\vss}}}}$}} 2CO\\
CO + \dfrac{1}{2}{O_2} \to C{O_2}\\
C{O_2} + 2{H_2} \to C + 2{H_2}O\\
C + CaO \to Ca{C_2} + CO\\
Ca{C_2} + 2{H_2}O \to {C_2}{H_2} + Ca{(OH)_2}\\
{C_2}{H_2} + \dfrac{5}{2}{O_2} \to 2C{O_2} + {H_2}O\\
C{O_2} + CaO \to CaC{O_3}
\end{array}\)
