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\(\left(-C_6H_{10}O_5-\right)_n+nH_2O\rightarrow nC_6H_{12}O_6\\ C_6H_{12}O_6\underrightarrow{\text{men rượu}}2C_2H_5OH+2CO_2\\ C_2H_5OH+O_2\underrightarrow{\text{men giấm}}CH_3COOH+H_2O\\ CH_3COOH+C_2H_5OH\xrightarrow[t^o]{H_2SO_{4\left(đ\right)}}CH_3COOC_2H_5+H_2O\)
\(a) 2Fe(OH)_3 \xrightarrow{t^o} Fe_2O_3 + 3H_2O\\ Fe_2O_3 + 3CO \xrightarrow{t^o} 2Fe + 3CO_2\\ 2Fe + 3Cl_2 \xrightarrow{t^o} 2FeCl_3\\ 2FeCl_3 + Fe \rightarrow 3FeCl_2\)
\(b) 6nCO_2 + 5nH_2O \xrightarrow[\text{chất diệp lục}]{\text{ánh sáng}} (-C_6H_{10}O_5-)_n + 6nO_2\\ (-C_6H_{10}O_5-)_n + nH_2O \xrightarrow{axit} nC_6H_{12}O_6\\ C_6H_{12}O_6 \xrightarrow{\text{men rượu}} 2CO_2 + 2C_2H_5OH\\ C_2H_5OH + O_2 \xrightarrow{\text{men giấm}} CH_3COOH + H_2O\)
\(2Al+3H_2SO_4\to Al_2(SO_4)_3+3H_2\\ Al_2(SO_4)_3+3BaCl_2\to 2AlCl_3+3BaSO_4\downarrow\\ AlCl_3+3NaOH\to Al(OH)_3\downarrow +3NaCl\\ 2Al(OH)_3\xrightarrow{t^o}Al_2O_3+3H_2O\\ 2Al_2O_3\xrightarrow{đpnc}4Al+3O_2\)
Fe + HCl - > Fecl2 + H2
2FeCl2 + NaClO + 4NaOH + H2O -> 5NaCl + 2Fe(OH)3
2Fe(OH)3 -^t0-> Fe2o3 + 3H2O
Fe2O3 + 3H2 -t0-> 2Fe + 3H2O
* cái đâu tiên là \(FeCl_3\) không phải \(FeCl_2\)
\(Fe+Cl-->FeCl_3\)
\(FeCl_3+3NaOH-->Fe\left(OH\right)_3+3NaCl\)
\(2Fe\left(OH\right)_3-->Fe_2O_3+3H_2O\)
\(2Fe\left(OH\right)_3-->Fe_2O_3+3H_2O\)
Chuỗi 1:
\(\left(1\right)CaCO_3\rightarrow\left(t^o\right)CaO+CO_2\\ \left(2\right)CaO+3C\rightarrow\left(2000^oC,lò.điện\right)CaC_2+CO\uparrow\\ \left(3\right)CaC_2+2H_2O\rightarrow C_2H_2+Ca\left(OH\right)_2\\ \left(4\right)C_2H_2+H_2\rightarrow\left(Ni,t^o\right)C_2H_4\\ \left(5\right)C_2H_4+H_2O\rightarrow\left(t^o,H^+\right)C_2H_5OH\\ \left(6\right)C_2H_5OH+2NaOH+CH_3COOH\rightarrow CH_3COONa+C_2H_5ONa+2H_2O\)
\(a,-\left(-C_6H_{10}O_5-\right)-_n+nH_2O\rightarrow nC_6H_{12}O_6\\ C_6H_{12}O_6\underrightarrow{\text{men rượu}}2C_2H_5OH+2CO_2\uparrow\\ C_2H_5OH+O_2\underrightarrow{\text{men giấm}}CH_3COOH+H_2O\\ CH_3COOH+C_2H_5OH\xrightarrow[H_2SO_{4\left(đ\right)}]{t^o}CH_3COOC_2H_5+H_2O\)
\(b,C_{12}H_{22}O_{11}+H_2O\xrightarrow[t^o]{H^+}C_6H_{12}O_6+C_6H_{12}O_6\)
Mấy pthh sau giống ở trên á bạn
*cái oxy em k chắc á cô:<< em tìm được mấy nguyên tố này th ạ:<.
\((1)2SO_2+O_2\xrightarrow[V_2O_5]{t^o}2SO_3\\ (2)SO_3+H_2O\to H_2SO_4\\ (3)H_2SO_4+MgO\to MgSO_4 +H_2O\\ (4)MgSO_4+2NaOH\to Na_2SO_4+Mg(OH)_2\downarrow\)
Đánh số trên dãy chuyển hóa nhé!
\(\left(1\right)S+O_2\underrightarrow{t^o}SO_2\\ \left(2\right)SO_2+\frac{1}{2}O_2\underrightarrow{t^o,xt}SO_3\\ \left(3\right)SO_3+H_2O\rightarrow H_2SO_4\\ \left(4\right)H_2SO_4+2NaOH\rightarrow Na_2SO_4+2H_2O\\ \left(5\right)Na_2SO_4+BaCl_2\rightarrow2NaCl+BaSO_4\)
\(S+O_2\rightarrow^{t^o}SO_2\)
\(2SO_2+O_2\rightarrow_{V_2O_5}^{t^o}2SO_3\)
SO3 + H2O -> H2SO4
H2SO4 + Na2O -> Na2SO4 + H2O
Na2SO4 + BaCl2 \(\rightarrow BaSO_4\downarrow+2NaCl\)
\(C_2H_4+H_2O\underrightarrow{H^+,t^o}C_2H_5OH\)
\(C_2H_5OH+O_2\underrightarrow{men.giấm}CH_3COOH+H_2O\)
\(CH_3COOH+C_2H_5OH\underrightarrow{H_2SO_{4\left(đ\right)},t^o}CH_3COOC_2H_5+H_2O\)
\(CH_3COOC_2H_5+NaOH\underrightarrow{t^o}CH_3COONa+C_2H_5OH\)
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
\(\left(C_6H_{10}O_5\right)_n+nH_2O\xrightarrow[t^0]{axit}nC_6H_{12}O_6\\ C_6H_{12}O_6\xrightarrow[]{LMR}2C_2H_5OH+2CO_2\)