\(C_nH_{2n-6}+\dfrac{3n-3}{2}O_2\underrightarrow{^{^{t^0}}}nCO_2+\left(n-3\right)H_2O\)

\(C_nH_{2n+2}O+\dfrac{3n}{2}O_2\underrightarrow{^{^{t^0}}}nCO_2+\left(n+1\right)H_2O\)

$1) C_nH_{2n-6} + \dfrac{3n-3}{2}O_2 \xrightarrow{t^o} n CO_2 + (n - 3) H_2O$

$2) C_nH_{2n+2}O + \dfrac{3n}{2}O_2 \xrightarrow{t^o} nCO_2 + (n + 1)H_2O$

CnH2n-6 +\(\dfrac{3n-3}{2}\)O2 -> nCO2 + (n-3)H2O

CnH2n+2O + \(\dfrac{3n}{2}\)O2 -> nCO2 + (n+1)H2O

\(KMnO_4+HCl_{\left(đ\right)}\rightarrow\left(t^o\right)KCl+MnCl_2+Cl_2\uparrow+H_2O\)

Quá trình trao đổi e:

 \(\times2\)     \(Mn^{+7}+5e\rightarrow Mn^{+2}\)

\(\times5\)      \(2Cl^{-1}-2e\rightarrow Cl^0_2\)

\(\Rightarrow2KMnO_4+16HCl_{\left(đ\right)}\rightarrow\left(t^o\right)2KCl+2MnCl_2+5Cl_2\uparrow+8H_2O\)

\(16KMnO_4+2HCl\rightarrow2KCl+2MnCl_2+5Cl_2+8H_2O\)

\(\overset{+7}{2KMnO_4}+\overset{-1}{16HCl}\rightarrow\overset{-1}{2KCl}+\overset{+2-1}{2MnCl_2}+\overset{0}{5Cl_2}+8H_2O\)

1) \(2C_2H_2+5O_2\underrightarrow{t^o}4CO_2+2H_2O\)

2) \(2C_4H_{10}+13O_2\underrightarrow{t^o}8CO_2+10H_2O\)

3) \(C_2H_2+2Br_2\rightarrow C_2H_2Br_4\)

4) \(2C_6H_5OH+2Na\rightarrow2C_6H_5ONa+H_2\)

5) \(2CH_3COOH+Na_2CO_3\rightarrow2CH_3COONa+CO_2+H_2O\)

6) \(CH_3COOH+NaOH\rightarrow CH_3COONa+H_2O\)

7) \(Ca\left(OH\right)_2+2HBr\rightarrow CaBr_2+2H_2O\)

8) \(Ca\left(OH\right)_2+2HCl\rightarrow CaCl_2+2H_2O\)

9) \(Ca\left(OH\right)_2+H_2SO_4\rightarrow CaSO_4++2H_2O\)

10) \(Ca\left(OH\right)_2+Na_2CO_3\rightarrow CaCO_3\downarrow+2NaOH\)

$ZnSO_4 + H_2O \xrightarrow{dpdd} Zn + H_2SO_4 + \dfrac{1}{2}O_2$
$2NaCl + 2H_2O \xrightarrow{dpdd} 2NaOH + H_2 + Cl_2$
$MnO_2 + 4HCl \to MnCl_2 + Cl_2 + 2H_2O$
$4Fe(OH)_2 + O_2 + 2H_2O \to 4Fe(OH)_3$

$C_nH_{2n} + \dfrac{3n}{2}O_2 \xrightarrow{t^o} nCO_2 + nH_2O$

Đáp án C.

Khi tăng áp suất, cân bằng chuyển dịch theo chiều nghịch khi tổng số mol phân tử khí của sản phẩm lớn hơn tổng số

mol phân tử khí của các chất tham gia.

3FeO + 10HNO₃ --> 3Fe(NO₃)₃ + NO + 5H₂O

$C_nH_{2n} + \dfrac{3n}{2}O_2 \xrightarrow{t^o} nCO_2 + nH_2O$
$C_nH_{2n+3}N + \dfrac{3n+1,5}{2}O_2 \xrightarrow{t^o} nCO_2 + (n + 1,5)H_2O + 0,5N_2$

$C_nH_{2n+2}O + \dfrac{3n}{2}O_2 \xrightarrow{t^o} nCO_2 + (n + 1)H_2O$

$Fe + CuSO_4 \to FeSO_4 + Cu$
$4Al(NO_3)_3 \xrightarrow{t^o} 2Al_2O_3 + 12NO_2 + 3O_2$
$3Fe_3O_4 + 8Al \xrightarrow{t^o} 9Fe + 4Al_2O_3$

$3Fe_xO_y + 2yAl \xrightarrow{t^o} yAl_2O_3 + 3xFe$

1. \(C_nH_{2n}+\frac{3n}{2}O_2\rightarrow nCO_2+nH_2O\)

2.\(C_nH_{2n}+3N+\frac{3n}{2}O_2\rightarrow nCO_2+nH_2O+\frac{3}{2}N_2\)

3.\(C_nH_{2n}+2O+\frac{3n-2}{2}O_2\rightarrow nCO_2+nH_2O\)

4.\(Fe+CuSO_4\rightarrow FeSO_4+H_2O\)(Phương trình lỗi rồi)

5.\(Al\left(NO_3\right)_3\rightarrow Fe_2O_3+NO_2+O_2\)(Lỗi tiếp)

6.\(3Fe_3O_4+8Al\rightarrow4Al_2O_3+9Fe\)

7.\(3Fe_xO_y+2yAl\rightarrow3xFe+yAl_2O_3\)