8

, - 2 . 17 2000 2002

( )

1. 1

+ = 2Fe +3Cl2 2FeCl3CaO + CO2CaCO3 !!!

AB A+B 2HgO = 2Hg + O2 2KClO3 2KCl + 3O2 2H2O2H2+ O2 !!

A +BC = AC + BCu +2 AgNO3 = Cu(NO3)2 +2AgFe + H2SO4 = FeSO4 + H2

AB + CD = AD + CBFeCl3 + 3NaOH = =Fe(OH)3 + 3NaCl CuCl2 + 2NaOH = =Cu(OH)2 +2NaClZn(NO3)2 + 2KOH= =Zn(OH)2 + 2KNO3

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1

2.

A + B = AB +Q3Fe + 2O2 =Fe3O4 + QMg +O2 =2MgO +Q!!! !!!

AB A + B Q 2HgO =2Hg + O2Q 2KClO3=2KCl+3O2- Q

2H2O = 2H2 + O2-Q

!!! !!!

3. 2

- Cu0 +4HN+5O3= =Cu+2(NO3)2+2N+4O2++2H2O- Fe+3Cl3 + 3Na+1OH= Fe+3(OH)3 +3Na+1OH

4. 2

H2O 2Al +3J2 2AlJ3

CaCl2+Na2CO3 = CaCO3+ 2NaCl

2

6.

()N2() +3H2() =2NH3() ()Mg(.) +2HCl() = =MgCl2() + H2()

5.

( ) (, )

N2+3H2 NH3()()()

!!! ! !12

! ! !!!12()2()

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