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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, \(CH_2=CH_2+Br_2\rightarrow CH_2Br-CH_2Br\)
a) C2H4 + Br2 --> C2H4Br2
b) NaHCO3 + HCl --> NaCl + CO2 + H2O
c) 2C2H2 + 5O2 --to--> 4CO2 + 2H2O
d) 2CH4 ---1500oC, làm lạnh nhanh--> C2H2 + 3H2
e) C2H4 + 3O2 --to--> 2CO2 + 2H2O
f) Ca(HCO3)2 + 2HCl --> CaCl2 + 2CO2 + 2H2O
g) C2H2 + 2Br2 --> C2H2Br4
h) CH4 + Cl2 --as--> CH3Cl + HCl
\(C_2H_4+Br_2\rightarrow C_2H_4Br_2\\ NaHCO_3+HCl\rightarrow NaCl+CO_2\uparrow+H_2O\\ 2C_2H_2+5O_2\underrightarrow{t^o}4CO_2+2H_2O\\ C_2H_4+3O_2\underrightarrow{t^o}2CO_2+2H_2O\)
\(Ca\left(HCO_3\right)_2+2HCl\rightarrow CaCl_2+2CO_2\uparrow+2H_2O\\ C_2H_2+2Br_2\rightarrow C_2H_2Br_4\)
\(CH_4+Cl_2\underrightarrow{askt}CH_3Cl+HCl\)
\(2CH_4\xrightarrow[làm.lạnh.nhanh]{t^o}C_2H_2+3H_2\)
\(C_2H_4+H_2O\underrightarrow{H^+,t^o}C_2H_5OH\)
\(C_2H_5OH+O_2\underrightarrow{men.giấm}CH_3COOH+H_2O\)
\(CH_3COOH+C_2H_5OH\underrightarrow{H_2SO_{4\left(đ\right)},t^o}CH_3COOC_2H_5+H_2O\)
\(CH_3COOC_2H_5+NaOH\underrightarrow{t^o}CH_3COONa+C_2H_5OH\)
C2H4 → C2H5OH → CH3COOH → CH3COOC2H5 → C2H5OH
(1) C2H4 + H2O \(\underrightarrow{axit}\) C2H5OH
(2) C2H5OH + O2 \(\xrightarrow[25^0-30^0C]{mengiam}\) CH3COOH + H2O
(3) CH3COOH + C2H5OH → CH3COOC2H5 + H2O
(4) CH3COOC2H5 + NaOH \(\underrightarrow{t^0}\) CH3COONa + C2H5OH
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, to)
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, \(n_{C_2H_5OH}=n_{CO_2}=0,75\left(mol\right)\Rightarrow m_{C_2H_5OH}=0,75.46=34,5\left(g\right)\)
\(\Rightarrow V_{C_2H_5OH}=\dfrac{34,5}{0,8}=43,125\left(ml\right)\)
a)
\(Mg+\dfrac{1}{2}O_2\xrightarrow[]{t^o}MgO\)
\(MgO+2HCl\rightarrow MgCl_2+H_2O\)
\(MgCl_2+K_2CO_3\rightarrow2KCl+MgCO_3\downarrow\)
\(MgCO_3+2HNO_3\rightarrow Mg\left(NO_3\right)_2+H_2O+CO_2\uparrow\)
\(Mg\left(NO_3\right)_2+2KOH\rightarrow2KNO_3+Mg\left(OH\right)_2\downarrow\)
a) 2Mg + O2 ----------to---------> 2MgO
MgO + 2HCl -----------> MgCl2 + H2O
MgCl2 + K2CO3 ---------> MgCO3 + 2KCl
MgCO3 + 2HNO3 --------> Mg(NO3)2 + H2O + CO2
Mg(NO3)2 + 2KOH ----------> Mg(OH)2 + 2KNO3
a) \(2KMNO_4\rightarrow\left(t_o\right)K_2MNO_4+MNO_2+O_2\)
\(4Na+O_2\rightarrow\left(t_o\right)2Na_2O\)
\(Na_2O+H_2O\rightarrow2NaOH\)
\(NaOH+HCl\rightarrow NaCl+H_2O\)
Chúc bạn học tốt
a, KMnO4 -> O2 -> Na2O -> NaOH -> NaCl
2KMnO4-to>K2MnO4+MNO2+O2
O2+4Na>2Na2O
Na2O+H2O->2NaOH
NaOH+HCl->NaCl+H2O
b, KMnO4 -> O2 -> SO2 -> SO3 -> H2SO4 -> FeSO4
2KMnO4-to>K2MnO4+MNO2+O2
O2+S-to>SO2
2SO2+O2-to,V2O5->2SO3
SO3+H2O->H2SO4
H2SO4+Fe->FeSO4+H2
c, KClO3 -> O2 -> P2O5 -> H3PO4 -> H2 -> Cu
2KClO3-to>2KCl+3O2
5O2+4P-to>2P2O5
P2O5+3H2O->2H3PO4
2H3PO4+3Al->3AlPO4+3H2
H2+CuO-to>Cu+H2O
(1) 2Na + Cl2 → 2NaCl
(2) Cl2 + H2 → 2HCl
(3) 3HCl + Fe(OH)3 → FeCl3 + 3H2O
(4) FeCl3 + Cu → CuCl2 + FeCl2
\(CH_4+2O_2\rightarrow\left(t^o\right)CO_2+2H_2O\)
\(CH_4+Cl_2\rightarrow\left(ánh.sáng\right)CH_3Cl+HCl\)
\(C_2H_2+2Br_2\rightarrow C_2H_2Br_4\)
\(C_2H_4+Br_2\rightarrow C_2H_4Br_2\)
\(C_2H_4+3O_2\rightarrow\left(t^o\right)2CO_2+2H_2O\)
\(2C_2H_2+5O_2\rightarrow\left(t^o\right)4CO_2+2H_2O\)
CH4 + 2O2 -> (t°) CO2 + 2H2O
CH4 + Cl2 -> (ánh sáng) CH3Cl + HCl
C2H2 + 2Br2 -> C2H2Br4
C2H4 + 3O2 -> (t°) 2CO2 + 2H2O
C2H4 + Br2 -> C2H4Br2
2C2H2 + 5O2 -> (t°) 4CO2 + 2H2O
C2H4 + 3O2 ---->2 CO2 + 2H2O
Đốt cháy, đk nhiệt độ