\(C_2H_4+H_2O\underrightarrow{^{170^oC,H_2SO_4}}C_2H_5OH\)

\(C_2H_5OH+O_2\underrightarrow{^{\text{men giấm}}}CH_3COOH+H_2O\)

$C_2H_4+H_2O\rightarrow C_2H_5OH$

$C_2H_5OH+O_2\rightarrow CH_3COOH+H_2O$

\(C_2H_4+H_2O\underrightarrow{axit}C_2H_5OH \)
\(C_2H_5OH+O_2\underrightarrow{mengiam}CH_3COOH+H_2O\)

\(CaCO_3 \xrightarrow{t^o} CaO + CO_2\)

(1) \(2NaCl+2H_2O\underrightarrow{đpcmn}2NaOH+H_2+Cl_2\)

(2) \(2NaBr+Cl_2\rightarrow2NaCl+Br_2\)

(3) \(H_2+Br_2\underrightarrow{t^o}2HBr\)

(4) \(HBr+AgNO_3\rightarrow AgBr\downarrow+HNO_3\)

A là CaO; K là H₂O; B là Ca(OH)₂; L là ZnCl₂; C là CaCl₂; M là AgNO₃; D là Ca(NO₃)₂

X là CO₂; N là NaOH; Y là NaHCO₃; P là Ba(OH)₂, Z là Na₂CO₃; Q là (NH₄)₂SO₄, T là (NH₄)₂CO₃

PTHH

(1) CaCO₃ \(\underrightarrow{t^o}\) CaO + CO₂

(2) CaO + H₂O \(\rightarrow\) Ca(OH)₂

(3) Ca(OH)₂ + ZnCl₂ \(\rightarrow\) Zn(OH)₂ \(\downarrow\)+ CaCl₂

(4) CaCl₂ + 2AgNO₃ \(\rightarrow\) 2AgCl \(\downarrow\)+ Ca(NO₃)₂

(5) CO₂ + NaOH \(\rightarrow\) NaHCO₃

(6) CO₂ + CaO \(\underrightarrow{\text{t}^o}\)  CaCO₃ 

(7) 2NaHCO₃ + Ba(OH)₂ \(\rightarrow\) Na₂CO₃ + BaCO₃ \(\downarrow\)+ 2H₂O

(8) 2NaHCO₃ + Ca(OH)₂ \(\rightarrow\) CaCO₃ \(\downarrow\) + Na₂CO₃ + H₂O

(9) Na₂CO₃ + (NH₄)₂SO₄ \(\rightarrow\) (NH₄)₂CO₃ + Na₂SO₄

(10) CaCl₂ + Na₂CO₃ \(\rightarrow\) CaCO₃ \(\downarrow\) + 2NaCl

(11) Ca(NO₃)₂ + (NH₄)₂CO₃ \(\rightarrow\) CaCO₃ \(\downarrow\)+ 2NH₄NO₃

a) \(C_2H_3CHO+2H_2\underrightarrow{t^o,Ni}C_3H_7OH\)

b) \(CH_3CH_2CHO+2AgNO_3+3NH_3+H_2O\rightarrow CH_3CH_2COONH_4+2Ag+2NH_4NO_3\)

c) \(C_3H_8+5O_2\underrightarrow{t^o}3CO_2+4H_2O\)

d) \(C_2H_5OH+Na\rightarrow C_2H_5ONa+\dfrac{1}{2}H_2\)