C2H2+H2O соли Hg2+=> CH3-CH=O
CH3CHO+2Cu(OH)2=>Cu2O+2H2O+CH3COOH
CH3COOH+CH3-CH2-CH2-OH=>CH3COOC3H7+H2O
CH3COOC3H7+H2O=>CH3COOH+CH3-CH2-CH2-OH
2.
C2H6 t Ni =>C2H4+H2
C2H4+H2O=>C2H5OH
C2H5OH+HCOOH=>HCOOC2H5+H2O
HCOOC2H5+H2O=>HCOOH+C2H5OH
3.
CaC2+2H2O=>Ca(OH)2+C2H2
C2H2+H2O=>CH3-CH=O
C2H4O+H2 Ni=>CH3-CH2-OH
2CH3CH2OH+6O2=>4CO2+6H2O
4.
C2H4 t Ni =>C2H2+H2
C2H2+H2O Hg2+ =>CH3-CH=O
CH3COOH+CL2=>CH2(CL)COOH+HCL
V(H2)=5.6 л при н.у
m-? V-5,6
Mg + H2SO4 = MgSO4 + H2↑
Найти:
m(Mg)-? 1)Найдем кол-во вещества водорода:
n(H2)=V(H2)/Vm=5.6/22.4=0.25
2) По УХР n(Mg)=n(H2)=0.25 моль
3) m(Mg)=n(Mg)*Mr(mg)=0.25*24=6г
ответ: 6 г магния вступает в реакцию.
C2H2+H2O соли Hg2+=> CH3-CH=O
CH3CHO+2Cu(OH)2=>Cu2O+2H2O+CH3COOH
CH3COOH+CH3-CH2-CH2-OH=>CH3COOC3H7+H2O
CH3COOC3H7+H2O=>CH3COOH+CH3-CH2-CH2-OH
2.
C2H6 t Ni =>C2H4+H2
C2H4+H2O=>C2H5OH
C2H5OH+HCOOH=>HCOOC2H5+H2O
HCOOC2H5+H2O=>HCOOH+C2H5OH
3.
CaC2+2H2O=>Ca(OH)2+C2H2
C2H2+H2O=>CH3-CH=O
C2H4O+H2 Ni=>CH3-CH2-OH
2CH3CH2OH+6O2=>4CO2+6H2O
4.
C2H6 t Ni =>C2H4+H2
C2H4 t Ni =>C2H2+H2
C2H2+H2O Hg2+ =>CH3-CH=O
CH3CHO+2Cu(OH)2=>Cu2O+2H2O+CH3COOH
CH3COOH+CL2=>CH2(CL)COOH+HCL