Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.
(1) CaC2 + 2H2O => C2H2 + Ca(OH)2
(2) C2H2 + H2 => (to,Pd) C2H4
(3) C2H4 + H2O => (to,H2SO4đ) C2H5OH
(4) C2H5OH + O2 => (men giấm) CH3COOH + H2O
(5) CH3COOH + C2H5OH => <pứ hai chiều> (xt:H2SO4đ, to) CH3COOC2H5 + H2O
\(\left(1\right)CaC_2+2H_2O\rightarrow Ca\left(OH\right)_2+C_2H_2\)
\(\left(2\right)C_2H_2+H_2\xrightarrow[to]{Ni}C_2H_4\)
\(C_2H_4+2H_2O\xrightarrow[30-35^oC]{men.rượu}C_2H_5OH+H_2O\)
\(C_2H_5OH+O_2\xrightarrow[men.giấm]{30-35^oC}CH_3COOH+H_2O\)
\(C_2H_5OH+CH_3COOH\xrightarrow[\leftarrow]{H_2SO_4đ,t^o}CH_3COOC_2H_5+H_2O\)
1)(-C6H10O5-)n +nH2O -axit ;to-> nC6H12O6
2) C6H12O6 --men ; 30o-32oC--> 2C2H5OH + 2CO2
3) C2H5OH + 3O2 -to-> 2CO2 + 3H2O
4) CO2 + 2NaOH -> Na2CO3 + H2O
5) Na2CO3 + 2CH3COOH -> 2CH3COONa + H2O + CO2
6) 2C2H5OH + 2Na -> 2C2H5ONa + H2
7) C2H5OH + CH3COOH -> H2O + CH3COOC2H5
(đk: H2SO4 đ ; to)
(1) (C6H10O5)n + nH2O => nC6H12O6
(2) C6H12O6 => (men rượu, to) 2CO2 + 2C2H5OH
(3) C2H5OH + 3O2 => (to) 2CO2 + 3H2O
(4) CO2 + 2NaOH => Na2CO3 + H2O
(5) Na2CO3 + 2CH3COOH => 2CH3COONa + CO2 + H2O
(6) C2H5OH + Na => C2H5ONa + 1/2 H2
(7) C2H5OH + CH3COOH => (to,xt: H2SO4đ) <pứ hai chiều> CH3COOC2H5 + H2O
g) 1. Fe2O3 + 6HCl → 2FeCl3 + 3H2O
2. FeCl3 + 3NaOH → 3NaCl + Fe(OH)3↓
3. 2Fe(OH)3 \(\underrightarrow{to}\) Fe2O3 + 3H2O
4. Fe2O3 + 3H2SO4 → Fe2(SO4)3 + 3H2O
h) 1. ZnCl2 + 2NaOH → 2NaCl + Zn(OH)2↓
2. Zn(OH)2 + 2HCl → ZnCl2 + 2H2O
3. ZnCl2 + 2NaOH → 2NaCl + Zn(OH)2↓
4. NaCl + AgNO3 → NaNO3 + AgCl↓
\((1) CaC_2 + 2H_2O \to Ca(OH)_2 + C_2H_2\\ (2) C_2H_2 + H_2 \xrightarrow{t^o,PbCO_3} C_2H_4\\ (3) C_2H_4 + H_2O \xrightarrow{t^o,H^+} C_2H_5OH\\ (4) C_2H_5OH + O_2 \xrightarrow{men\ giấm} CH_3COOH + H_2O\\ (5) CH_3COOH + C_2H_5OH \buildrel{{H_2SO_4}}\over\rightleftharpoons CH_3COOC_2H_5 + H_2O\)
1/ C2H4 + H2O => (140o,H2SO4đ) C2H5OH
C2H5OH + O2 => (men giấm) CH3COOH + H2O
CH3COOH + C2H5OH => (H2SO4đ,to) <pứ hai chiều> CH3COOC2H5 + H2O
CH3COOC2H5 + NaOH => (to) CH3COONa + C2H5OH
2/ C6H12O6 => (men rượu,to) 2CO2 + 2C2H5OH
C2H5OH + O2 => (men giấm) CH3COOH + H2O
2CH3COOH + CaCO3 => (CH3COO)2Ca + CO2 + H2O
3/ CaC2 + 2H2O => Ca(OH)2 + C2H2
C2H2 + H2 => (Pd, to) C2H4
C2H4 + 1/2 O2 => (xt,P,to) CH3CHO
CH3CHO + 1/2 O2 => CH3COOH
CaO+H2O--->Ca(OH)2
Ca(OH)2+ 2HCl--->CaCl2+2H2O
CaCl2+ MgCO3---->CaCO3+MgCl2
CaCO3+2HCl---->CaCl2+H2O+CO2
CaCl2+2NaOH---->Ca(OH)2+2NaCl
Ca(OH)2+CO2--->CaCO3+H2O
CaCO3---->CaO+CO2
CaO+H2O---->Ca(OH)2
Pt2 ko ổn lw
Na2CO3+2HCl----->2NaCl+H2O+CO2
2NaCl+H2SO4---->Na2SO4+2HCl
Na2SO4+BaCl2---->2NaCl+BaSO4
2NaCl+2H2O---->Cl2+H2+2NaOH
NaOH+HCl----->NaCl+H2O
2NaCl+H2SO4---->Na2SO4+2HCl
\(a)\)
\(C_2H_4+H_2O\xrightarrow[t^o]{Axit}C_2H_5OH\)
\(C_2H_5OH+O_2\underrightarrow{lên-men-giâm}CH_3COOH+H_2O\)
\(2CH_3COOH+CuO--->\left(CH_3COO\right)_2Cu+H_2O\)
\(b)\)
\(CaC_2+2H_2O--->Ca\left(OH\right)_2+C_2H_2\)
\(C_2H_2+2H_2\xrightarrow[Ni]{t^o}C_2H_6\)
\(C_2H_6+Cl_2\xrightarrow[anh-sang]{t^o}C_2H_5Cl+HCl\)
(1) 2Fe + 3Cl2 -t0-> 2FeCl3
(2) FeCl3 + 3NaOH - > Fe(OH)3\(\downarrow\) + 3NaCl
(3) \(2Fe\left(OH\right)3-^{t0}->Fe2O3+3H2O\)
(4) \(Fe2O3+3H2SO4->Fe2\left(SO4\right)3+3H2O\)
CÁI NÀY HƠI BỊ KHÓ HIỂU NHƯNG MÌNH SẼ LÀM THỬ ( THEO THỨ TỰ ) :
\(\left(1\right)Al_4C_3+12H_2O\rightarrow4Al\left(OH\right)_3+3CH_4.\)
\(\left(2\right)2CH_4\underrightarrow{1500^o}C_2H_2+3H_2.\)
\(\left(3\right)CaC_2+2H_2O\rightarrow Ca\left(OH\right)_2+C_2H_2.\)
\(\left(4\right)C_2H_2+H_2\underrightarrow{Ni,t^o}C_2H_4.\)
\(\left(5\right)C_2H_4+Br_2\rightarrow C_2H_4Br_2.\)
\(\left(6\right)C_2H_4+H_2O\underrightarrow{axit}C_2H_5OH.\)
Khó hiểu quá.