19961999_امتحانات كيمياء

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    1

    ) (

    -

    : )(

    . .

    . .. .

    . .

    . .. . .

    : )(

    . .. .

    -

    : )(

    )( ..................

    )( )(

    )( )(

    )( ....................

    )()(

    .)()(

    )( )III(

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    2

    ...............................

    )) ()II)(

    ))II )) ()III)(

    )( .....................................

    (NO2((NO(

    (O2((N2O(

    . )(

    )()(

    - )(

    :

    [H+][OH+]pHpOH

    .....................................

    ..................-................

    - :

    -: )(

    )(ClO3 (OH) PO(OH)3

    )( 29Cu (3d10 ,4s1)

    )( .

    )(

    .

    )( sp , sp C2H2.

    : )(

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    3

    )( .

    )(--.

    )(

    I2 + H2 2HI

    ,

    ,,/.

    . )(

    - :

    )( )((( )(

    )()()(

    )(

    )(

    )(

    )(

    )(

    )(

    )(

    )(

    )(

    I.

    II. .

    III.

    IV.

    V.

    ))II . )(

    Cu=63.5

    : )(

    )( .

    )( .

    : ) ( )(

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    4

    N2 + O2 2NO2)(

    3CO + Fe2O3 2Fe + 3CO2)(

    - :

    : )(

    )( )( )( )(

    . . ))O2 )(

    : )(

    . .

    . .

    . .

    . .

    - :

    )(

    : -

    .

    )( . .

    [Na=23, Cl = 35.5 ,Ag=108]

    )

    . )(

    o

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    5

    )(

    .

    .

    .

    .

    . .

    (+H2O +NaCl NaHCO3( + NH4Cl (1)NH3 + CO2

    2NaHCO3 Na2CO3 +CO2 + H2O

    )(

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    6

    :

    )(

    )(-

    )(:

    )( )III(

    2Fe(OH)3 Fe2O3 + 3H2O

    )(O2

    2NaNO3 2NaNO2 +O2

    )( ))((

    )([H

    +][OH

    +]pHpOH

    --

    --

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    7

    :

    ))((

    )( )(3d )103d(

    ))93d d )(+

    )(

    N-O

    . NN C-O

    )(

    )( SpSP

    .

    : (((1(

    II Na2SO4+ Cu(OH)2CuSO4 + NaOH

    Cu(OH)2 CuO + H2O

    -

    AlCl3+ 3NaOH Al(OH)3 + 3NaCl

    Al(OH)3+H2O NaAl O2 + H2O

    )( :

    .

    .---

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    8

    )( Kc =*, , .0

    2468

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    9

    )( :

    :

    .

    ))((

    )(

    :

    : ))((

    .

    )( :

    " "

    )( :

    .

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    10

    )( :

    % %

    .

    /=x= )(

    .

    /.=.=

    )( ))((

    )(

    )(

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    11

    :

    )(

    (NaCL + AgNO3( NaNO3 + AgCL

    .=.+=

    .=.+=

    . .

    . . )(

    .==

    %.==

    58,5X9,256

    143,5

    .X

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    12

    )(

    )(

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    13

    ) (

    .

    : )(

    )( ..............

    . )( )(

    . ). ( )(

    )( ...................................

    . )( )(

    . )( )(

    )( ..................

    .)()(

    . )()(

    )( ..............

    . ). ( )(

    ). ( )(

    )( ................

    ))(5f) () (4F). ()(4d) ()(3d(

    )( ..........

    .)()(

    )(..)(

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    14

    : )(

    )(

    )( (III) .

    .

    : )(

    )( .

    )( .

    )( ) ( .

    )( .

    )( .

    )(

    .

    : )(

    )( . ((

    )( ((

    .

    : )(

    )

    (

    .

    )( )II( )III(

    )( .

    )( Kw=[10-7] [10-7]=10-14

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    15

    ))N2H4 )(

    [[N=14, H=1

    : )(

    )(

    )(

    )(

    )(

    .

    : )(

    )( ) .( .

    )( )( .

    :))Kp )(

    N2(g) + 2O2(g) 2NO2(g)

    . . N2 ,O2, NO2

    CH3

    HOOC COOH

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    16

    : )(

    )( .

    )( .

    )( .

    )( .

    .

    )( )((( )(

    )()()(

    )(

    )(

    )(

    (C6H5OH(

    )(

    (CH3COONa(

    )(

    I.

    II. .

    III.

    IV.

    . )(

    -:

    [ Ag+

    + e- Ag ] [Ag= 108]

    : )(

    )( .

    )( .

    . CO2 . )(

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    17

    -

    . )(

    : )(

    - - -

    - -

    :

    )( )( )II.(

    : )(

    )(

    )( .

    )(

    .

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    18

    )(

    .

    .

    .

    .

    .(5F)

    ...

    ))((

    )(Fe3O4 + H2 400-700C 2FeO + H2O

    4FeO + O2 2Fe2O3

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    19

    :

    )(

    . )(

    .

    . ) (

    . .

    . .

    ..

    -))((

    )(,

    )(-

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    20

    )(--

    :

    . ))((

    )( Mn ))3d +2

    Mn

    3+

    )3d.(

    :

    )3d4( )3d5(

    )( .

    )(

    .

    (N2H4( + O2 N2 + 2H2O

    )=x)+(x= (

    =x=

    .=

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    21

    )(

    . .

    . .

    . T.N.T

    . .

    :

    : )()(

    .

    )( : .

    )( :

    .

    )( :

    .

    )(

    ). ( )) ((

    )( )( .

    :

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    )/III/(/I(/(/IV(/()(

    == )(

    .

    .=X.=

    )) ((

    .

    )(

    CO2 )(

    =..=.

    :

    . )()(

    )( .

    (2HNO3)(( +K2SO42KNO3 + H2SO4

    4HNO3 4NO2 + 2H2O +O2

    )(Fe + H2SO4 FeSO4 + H2

    . )) ((

    .

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    23

    .

    )( .

    .

    . NaOH

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    24

    ) (:

    -

    : )(

    )( ............ .

    )()))()(

    )( ............ )( )(

    )( )(

    )( ...........

    ))II ))))III )())II )())III )(

    )( "....."........

    )( )(

    )(

    )(

    )( ...........)-) (()) (+())(+()-)((

    )( ............. )( )(

    )( )(

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    25

    : )(

    )( .)( .

    -

    : )(

    )( )f( )f(

    )( "" )n. (

    )( .

    )( .

    )( .

    BaSO4 )(:

    ./-.

    .

    : )(

    )( . )( .-

    : )(

    )( )II(

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    )( .

    )( .

    )( .

    )(

    [NaCl[Cl=35.45

    )( ) .(

    : )(

    )(

    )(-----.

    -

    : )(

    )(

    )( )-(

    )( )A()B(

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    27

    )(

    :)(

    )( .

    )( )( .

    )( .

    )( .

    )( .

    )( .

    : )(

    )(

    )(

    )(

    ) . ( )()(

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    ) (

    III)( )(.)(III %

    ) ( [Fe=56 , O=16]

    -

    : )(

    )( )( "

    ".

    )( )( .)( ).(

    )( )( ) .(

    )( . )(

    . . )( ) .Na=23, O=16, H=1(

    )( II )( )+Na()OH-( II)( :

    )( .)()( .

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    29

    :

    )()()()) ((

    )()(

    )) ((

    )(

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    :

    . )()()( .

    )( .

    )( .

    )(.

    (=Ksp]SO4(2-

    ][Ba2+

    [=].X-[].X-[=.X-

    )(

    )(

    . )(

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    31

    :

    )(

    .=.= )(.=.=

    .=..=

    .=..=

    )) (( .

    . :

    )( .

    Na2CO

    3+ H

    2O + CO

    2

    CH3

    - CH2

    - CH2

    - CH2

    - CH2

    - CH3

    CaO + CO2

    COO

    COOFe FeO + CO + CO2

    2NaHCO3

    Pt+ 4H2

    CaCO3

    absence of air

    (1)

    (2)

    (3)

    (4)

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    32

    . . :

    )(

    )(

    )(

    :

    ) .( )()(

    )( .

    )( )B( )(

    )( .

    . ))((

    ([

    ]) (

    )( .

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    33

    )(

    . )(

    ). (

    )(

    ] [.

    )( : )

    . )

    -

    . :

    . .--)()(

    )(--.

    )(--.

    )(

    -

    . -

    .

    - .

    -

    .

    -

    . -

    .

    - .

    -

    .

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    )( .

    . ) ( -

    )(

    :

    )) ((

    )( .

    )(

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    )( .

    .=.=HCl )( - .=Na OH

    =++=Na OH

    .=.= Na OH

    %=..=

    )( )II( .

    )()OH-( )II. (

    : )) ((

    .

    )(:

    .

    )( :

    .

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    ) (:

    -

    : )(

    )( .

    )( .

    )(

    .

    )( .

    )( .

    )( )( .

    : )(

    )( )II) . (()II. (

    )( ) .( .

    -

    : )(

    )( ---------.

    . )(. )(. ). ()(

    )( --------

    . )( )(

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    .). ()(

    )( )-( --------

    .). ( )(.). ()(

    )( ----------

    . ))III ). ())II )(

    . ). ())III )(

    )( )3d(------------

    )). ().))(.)(

    )( --------------

    ) .)II )) . ()II )(

    )( )III) . (( )III. (

    : )(

    )() .( .)( ) .( .

    )( :

    )(.)( .-

    : )(

    )( .

    )( .

    )( .

    )( .

    ./- ))AgCl )(

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    )( :

    )( :. . -

    )( .-

    : )(

    : )(

    )( )III( .

    )()( .)( .

    )( .

    )( .

    / )(

    -

    ) :( )()(

    )()()(

    )(

    )(

    )(

    )(

    )(

    )( .

    )(

    .)(

    )I( )II(

    )III(

    )IV( .

    )V( .

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    . Na2SO4 . )((Na=23, S=32, O=16)

    )( :

    )( S2O32-

    )( KMnO4: )(

    -

    ) : ( )(

    - - - .% .- )II.(- .- .- .

    :

    )() .(.

    : )(

    )( .

    )( .

    )( .

    )( .

    )( :

    )( .

    )( .

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    :

    . )()()()( .

    )( .

    )()(.

    )( .

    )( .

    )()(

    )(

    )(

    )(

    :

    . )()()(

    )(.)( .

    )(.)( )III.(

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    41

    . :)()(

    )( : .

    )( : .

    )( : .

    .:C10H8 :)()(

    :C3H6 : )()(

    :

    . )()(

    )( ) ( ) (

    .

    )( .

    )( .

    )(

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    42

    )(

    )(

    )( :

    :

    :

    )(

    .

    . )(. ): (

    . :

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    43

    )(

    )(

    )(

    )(

    )(

    . )(. )(. )) ((

    )( .)( .

    )( .

    .)(

    :

    )/IV/(/II(/(/III(/()(

    )(

    )X) + (X) + (X= (

    =

    .=.=

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    44

    .

    .=.X=

    .=..=

    )(+)()(+)()(. )().( )()(

    )()(

    )(

    U : )()(.

    )( : .

    )( : .

    )( :

    .

    . : )()(

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    45

    )( :

    % .

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    46

    :

    :

    ............................

    II

    ( (.........................

    .........................

    ......................

    III

    )...................... (

    6s2 5d3 4f14Xe54 .............................

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    47

    :

    -

    :

    : )( )(

    .))CaCl2.xH2O )(

    . )H=1, O=16, Ca=40, Cl=35.5(

    : )(

    :

    : )(

    II

    II III

    ))H=1,C=12 )(

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    ((

    : )(

    )(

    :

    : )(

    )CH2(

    . )(

    )(

    )(

    :

    B A )( B C B

    D :

    :

    B

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    D

    A

    C

    )(

    )Na =23, CI=35.5(

    III II )(

    ..... )(

    :

    )(

    HCN . )(

    -.=Ka

    )(

    III

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    2-bromo propane 2- propanol

    :

    II)(-)-(

    -)(

    -)(

    -)(

    -)(

    -)(

    )(

    (1)

    (2) CH3

    O2V2O5

    400CO

    COOH

    H2

    O+2 3 2 + 2

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    :

    . -)-(

    -

    - .

    .=.-.= )(

    . .

    =) +.) = ()CaCl2

    . .

    ) (=.=

    .

    )=+() =)H2O

    ==

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    -)(

    -

    -

    .

    -

    .

    .

    -

    ))n2

    -

    -

    -

    -

    .

    .

    .

    . -

    -

    -

    :

    ll -

    ll

    -

    ))d,s

    - .

    -

    ) (

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    CH3

    C C C H

    H

    HHH

    H

    H H

    H

    H

    CC C C H

    H

    HHH

    H

    H

    )+)Fe3

    +Fe2

    =-= -

    ==

    =

    C4H10

    :

    --

    -

    C2H4(OH)2 -

    + )+ (C2=

    -) =)C

    :

    ----

    NO2

    Cl

    O

    (CHOH)3

    CH2OH

    CH2

    OH

    C

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    = -

    .=

    .)=().)=((

    : --

    . ) (

    -:

    .

    - :

    P S

    )nS2 . nP6(

    )(

    .

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    H C H C l

    C l

    C H C C

    HH

    H

    H C l H C C

    H

    C l

    C l

    H H

    + +

    SO3H

    H2

    Oconc.H2SO4+ +

    spark

    electricCaC2 N 2 CaCN 2 C+ +

    -)(:

    -

    -

    - )(

    .=+.= )(

    =.=

    ==

    .=

    )( :

    ll ll

    lll lll

    : -)(

    - :

    - ..

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    :

    - :- -

    - :--

    -

    Ka = 2

    x C

    7.2 x 10-10

    = 2

    x 0.1

    2

    = 7.2 x 10-10 0.1 =72 x 10 -10

    = 8.5 x 10-5

    _

    - ) (

    C

    O

    O H

    CH3

    H2

    OCH 3C O O H

    OHC

    O

    O H

    C

    O

    O

    + +

    O H

    H N O33

    H2

    S O4

    c o n c .

    N O2

    N O2

    O2

    N

    O H

    H2

    O3+ +

    H2 OHCN H3O CN-+ +

    +

    Fe3O

    4 H2 SO4 FeSO4 Fe2(So4)3 H2 Oconc.+ 4 + + 4

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    -

    -

    Fe(SCN)3 + 3NH4ClFeCl3 + 3NH4SCN

    NH3 CO2 H2 O NaCl NaHCO3 NH4Cl+ + + +

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    - :

    : )(

    - 5f

    ----

    - KClO4

    )(+-)-(-((+-)-(-

    -

    -2FeO.3H2O-2Fe2O3.3H2O

    -2Fe3O4.3H2O-3Fe2O3.2H2O

    - .

    ----

    - NH4Cl :

    ----

    - :

    ----

    : )(

    -

    -

    - :

    : )(

    - .

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    -

    -

    -

    - .

    KO2 )())K=39 , O=16 KO2, .

    )( :

    -CaCO3.MgCO3-

    - :-

    -

    - -

    . ,, B,A)(

    - -

    - )( :-

    - -

    - O

    -: )(

    - -

    H - C - C O O H

    H O - C - C O O H

    H - C - C O O H

    H

    H

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    - :

    : )(

    -

    -

    - -

    : )(

    -- -

    . )(: .

    Al3+

    + 3e- -------------- Al0

    (Al= 27)

    - :

    : )(

    - -

    : )(

    -

    -

    -)II( )III(

    . )+)H3O )(

    )-.(

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    - :

    )(

    : )(

    Mg12) (

    O8 )() (

    --

    --

    : )(

    )(

    )(

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    :

    : -

    -)) ((-)) ((+-2Fe2O3 .3H2O-)(

    -)( -)(

    -

    )(

    ()

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    -:

    - -

    -

    - -

    -

    4KO2 +2CO2 2K2CO3 + 3O2

    .)+(

    .

    .

    .=..=

    --

    -

    :

    - :

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    -:

    -

    Bo

    B+2

    A+2

    Ao

    -..=

    =.).= (

    - ..

    - :

    -

    Mg3N2 + 6H2O 3Mg(OH)2 +2NH3

    -

    2Fe + 3Cl2 2FeCl3

    -

    : -

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    -

    - SP3 SP2

    :

    :

    -

    - 3d,4s

    - -NO2

    -

    Fe3C-

    -

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    -

    - =

    .=

    == =

    .==

    =

    .=.=

    :

    --

    CH3COOH + C2H5OH H2SO4 CH3COOC2H5 +H2O

    -2

    -

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    -

    -

    - NaOH

    -

    -

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    -:

    :

    - :

    :

    -

    -

    :

    -:

    - : )(

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    :-)(

    - :

    : )(

    :)(

    )()()()(

    _:

    )()()()(-:

    ----

    -:

    -NO2-NO-NH3-NO2

    -:

    ----

    -)()()(:

    )(-)(-)( +-)(--

    -:)(

    -

    -

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    --:

    :-)(

    -

    -

    -

    -

    -

    -

    )(:)(

    -

    -

    -

    H H

    | |

    HC4- C3C2C1 H

    | |

    H H

    -)(

    -)(

    -

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    --:

    :)(

    -Zn 30

    -

    -

    -.

    )(

    (.(Ca=40 O=16 C=12

    )()()(

    .)(

    :

    -)()--(

    -)()-(

    -)()-(

    --:

    -:.)(

    -

    -

    -

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    -

    25((HCN0.2)(

    -Ka=7.2x10-10

    -:)(

    -.-

    --

    --:

    :)(

    -20 Ca19 k

    .-Mn+23+(Mn25) Mn

    -.

    -.

    -:)(

    -.

    -.

    ...)(

    .

    -:

    )(

    - .

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    -.

    -.

    -.

    -.

    )(

    H2(g) + I2(g) 2HI(g )

    KC850=448=

    _

    -:)(

    -II

    -

    -

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    :

    "")()(

    )("o"

    )(""

    )("NH3"

    )(""

    )(" +"

    )) ((

    CH3COOH + NaHCO3 CH3COONa + CO2 + H2O

    CH3COONa NaOH , CaO CH4+ Na 2CO3

    )(

    :

    )()()()()()(

    )()(

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    )) ((

    5KNO2+2KMnO4+3H2SO4 5KNO3+K2SO4+2MnSO4+3H2O

    )(

    SP )) ((

    )(109 28

    )(

    :

    )d)d10 30Zn )()(

    ++ )(

    ) (

    2NH3 + H2SO4 conc (NH4)2SO4

    H2C = C H

    2

    K M n O4

    e t h y n e

    H - C = C - H

    H H

    O H O Ha lk . m e d i u m

    e t h y l e n eg l y c o le

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    )( )Cl-(

    )+)NH4

    NH4Cl + H2O NH4OH + H+

    + Cl-

    )(

    :

    Pb + PbO2 + 4H+

    + 2SO42-

    2PbSO4 + 2H2O

    (CaCO3 CaO + CO2()+(++

    =

    CaCO3 CaO + CO2

    .

    .=

    )()(

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    )(

    )(

    :

    -

    3Fe + 4H2O500

    0c

    Fe3O4 + 4H2

    -

    SO3 + H2O H2SO4

    -

    Na2O+H2O 2NaOH

    -

    CaC2 + 2H.OH Ca (OH) 2 + H

    C C

    H

    -

    Ka =2

    x C

    7.2 x 10-10

    = 2

    x 0.2

    = " "$&(

    = 6 x 10-5

    H2 OHCN H3O CN-+ +

    +

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    : -

    .

    : -

    .

    : -

    .

    : -.

    :

    .-

    .

    . 25Mn: [Ar]18,4S2,3d5

    Mn +2

    3d 5

    . Mn+3

    .

    Fe + 2HCl dil FeCl2 + H2

    H - C = C - C -H

    H

    H

    H H

    + H B r H - C - C - C -H

    H

    H

    H H

    B rH

    1 - p r o p a n e 2 - p r o p a n e

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    .

    H3O +

    -

    - HNO3

    4PO3H

    - : .

    :

    .

    )(

    :

    .

    Co2

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    :

    : .

    .

    . ..

    . .

    . .

    (H2( + I2 dil 2HI

    .

    )(

    . )(

    .

    .