\(a) 2Fe(OH)_3 \xrightarrow{t^o} Fe_2O_3 + 3H_2O\\ Fe_2O_3 + 3CO \xrightarrow{t^o} 2Fe + 3CO_2\\ 2Fe + 3Cl_2 \xrightarrow{t^o} 2FeCl_3\\ 2FeCl_3 + Fe \rightarrow 3FeCl_2\)

\(b) 6nCO_2 + 5nH_2O \xrightarrow[\text{chất diệp lục}]{\text{ánh sáng}} (-C_6H_{10}O_5-)_n + 6nO_2\\ (-C_6H_{10}O_5-)_n + nH_2O \xrightarrow{axit} nC_6H_{12}O_6\\ C_6H_{12}O_6 \xrightarrow{\text{men rượu}} 2CO_2 + 2C_2H_5OH\\ C_2H_5OH + O_2 \xrightarrow{\text{men giấm}} CH_3COOH + H_2O\)

Câu 1 :

$2Fe(OH)_3 \xrightarrow{t^o} Fe_2O_3 + 3H_2O$
$Fe_2O_3 + 3CO \xrightarrow{t^o} 2Fe + 3CO_2$
$Fe + 2HCl \to FeCl_2 + H_2$
$FeCl_2 + 2KOH \to Fe(OH)_2 + 2KCl$
Câu 2 : 

$a) Zn + 2HCl \to ZnCl_2 + H_2$

b) Theo PTHH : $n_{H_2} = n_{Zn} = \dfrac{32,5}{65} = 0,5(mol)$
$V_{H_2} = 0,5.22,4 = 11,2(lít)$

c) $n_{ZnCl_2} = 0,5(mol) \Rightarrow m_{ZnCl_2} = 136.0,5 = 68(gam)$

d) $n_{HCl} = 2n_{Zn} = 1(mol) \Rightarrow C_{M_{HCl}} = \dfrac{1}{0,4} = 2,5M$

\(3Fe + 2O_2 \xrightarrow{t^o} Fe_3O_4\\ Fe_3O_4 + 8HCl \to 2FeCl_3 + FeCl_2 + 4H_2O\\ FeCl_2 + 2KOH \to Fe(OH)_2 + 2KCl\\ 2Fe(OH)_2 + \dfrac{1}{2}O_2 + H_2O \to 2Fe(OH)_3\\ 2Fe(OH)_3 \xrightarrow{t^o} Fe_2O_3 + 3H_2O\)

\(Fe+O_2-->Fe_3O_4\\ Fe_3O_4+HCl-->FeCl_2+FeCl_3+H_2O\\ FeCl_2+NaOH-->Fe\left(OH\right)_2+NaCl\\ Fe\left(OH\right)_2+O_2+H_2O-->Fe\left(OH\right)_3\\ Fe\left(OH\right)_3-t^o->Fe_2O_3+H_2O\)

a, \(C_2H_4+3O_2\rightarrow2CO_2+2H_2O\) ( đk : nhiệt độ )

b, \(C_2H_5OH+CH_3COOH\rightarrow CH_3COOC_2H_5+H_2O\) ( Dk : Nhiệt độ kèm chất xúc tác là H2SO4 đặc )

c, \(2CH_3COOH+Na_2O\rightarrow2CH_3COONa+H_2O\)

d, \(C_6H_6+Br_2\rightarrow C_6H_5Br+HBr\) ( Chất xúc tác là bột Fe )

e, \(2CH_3COOH+Cu\left(OH\right)_2\rightarrow\left(CH_3COO\right)_2Cu+2H_2O\)

f, \(2C_2H_5OH+2Na\rightarrow2C_2H_5ONa+H_2\uparrow\)

g, \(C_6H_{12}O_6+Ag_2O\rightarrow C_6H_{12}O_7+2Ag\) ( đk : khí NH3 )

h, \(C_6H_6+3Cl_2\rightarrow C_6H_6Cl_6\) ( đk : Ánh sáng )

j, \(2CH_3COO+H_2SO_4\rightarrow2CH_2COOH+SO_4\)

l, \(C_2H_6+Cl_2\rightarrow HCl+C_2H_5Cl\) ( DK : AS) 

q, \(CH_2=CH_2+Br_2\rightarrow CH_2Br-CH_2Br\) 

1)

a)

$C_2H_4 + H_2O \xrightarrow{t^o,xt} C_2H_5OH$
$C_2H_5OH + O_2 \xrightarrow{men\ giấm} CH_3COOH + H_2O$

$CH_3COOH + NaOH \to CH_3COONa + H_2O$

b)

$CH_3COOH + C_2H_5OH \buildrel{{H_2SO_4}}\over\rightleftharpoons CH_3COOC_2H_5 + H_2O$

2)

a) $n_{CO_2} = \dfrac{16,8}{22,4} = 0,75(mol)$
$C_6H_{12}O_6 \xrightarrow{men\ rượu} 2CO_2 + 2C_2H_5OH$
$n_{glucozo} = \dfrac{1}{2}n_{CO_2} = 0,375(mol)$
$m_{glucozo} = 0,375.180 = 67,5(gam)$

b) $n_{C_2H_5OH} = n_{CO_2} = 0,75(mol)$
$m_{C_2H_5OH} = 0,75.46 = 34,5(gam)$

$V_{C_2H_5OH} = \dfrac{34,5}{0,8}=  43,125(ml)$

Câu 1:

a, \(C_2H_4+H_2O\underrightarrow{t^o,xt}C_2H_5OH\)

\(C_2H_5OH+O_2\underrightarrow{mengiam}CH_3COOH+H_2O\)

\(CH_3COOH+Na\rightarrow CH_3COOH+\dfrac{1}{2}H_2\)

b, \(CH_3COOH+C_2H_5OH⇌CH_3COOC_2H_5+H_2O\) (xt: H₂SO₄ đặc, t^o)

Câu 2:

a, \(n_{CO_2}=\dfrac{16,8}{22,4}=0,75\left(mol\right)\)

\(C_6H_{12}O_6\underrightarrow{t^o,xt}2C_2H_5OH+2CO_2\)

Theo PT: \(n_{C_6H_{12}O_6}=\dfrac{1}{2}n_{CO_2}=0,375\left(mol\right)\)

\(\Rightarrow m_{C_6H_{12}O_6}=0,375.180=67,5\left(g\right)\)

b, \(n_{C_2H_5OH}=n_{CO_2}=0,75\left(mol\right)\Rightarrow m_{C_2H_5OH}=0,75.46=34,5\left(g\right)\)

\(\Rightarrow V_{C_2H_5OH}=\dfrac{34,5}{0,8}=43,125\left(ml\right)\)

Hoàn thành các phương trình phản ứng xảy ra (nếu có, ghi rõ điều kiện)

1) 3Cl₂ + 2Fe →to->...2FeCl3........

2) 2Cl₂ + 2H₂O → .....4HCl + O2.......

3) Cl₂ + 2NaOH → ....NaClO + NaCl + H20.....

4) Fe + .....2HCl..... → FeCl₂ + ......H2.......

5) 3HCl + Fe(OH)₃→......FeCl3 + 3H20.............

6) KCl + AgNO₃→........AgCl + KNO3................

7) 2HCl + CaCO₃ →.........CaCl2 + H2CO3..............

ai hộ e với em cần gấp ạ

`a)`

`FeCl_3 + 3KOH -> Fe(OH)_3 + 3KCl`

`2Fe(OH)_3 -> (t^o) Fe_2O_3 + 3H_2O`

`Fe_2O_3 + 3CO -> (t^o) 2Fe + 3CO_2`

`3Fe + 2O_2 -> (t^o) Fe_3O_4`

`b)`

`2Al + 6HCl -> 2AlCl_3 + 3H_2O`

`AlCl_3 + 3KOH -> Al(OH)_3 + 3KCl`

`2Al(OH)_3 -> (t^o) Al_2O_3 + 3H_2O`

`2Al_2O_3 -> (đpnc, Criolit) 4Al + 3O_2`

Bs đề câu a: \(Fe_2O_3\xrightarrow{(4)}Fe\)

\(a,(1)2Fe+3Cl_2\xrightarrow{t^o}2FeCl_3\\ (2)FeCl_3+3NaOH\to Fe(OH)_3\downarrow+3NaCl\\ (3)2Fe(OH)_3\xrightarrow{t^o}Fe_2O_3+3H_2O\\ (4)Fe_2O_3+3CO\xrightarrow{t^o}2Fe+3CO_2\)

\(b,(1)4Al+3O_2\xrightarrow{t^o}2Al_2O_3\\ (2)Al_2O_3+6HCl\to 2AlCl_3+3H_2\\ (3)AlCl_3+3NaOH\to Al(OH)_3\downarrow+3NaCl\\ (4)2Al(OH)_3\xrightarrow{t^o}Al_2O_3+3H_2O\)