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GV quan saùt, theo doûi, giuùp ñôõ HS thöïc hieän thí nghieäm.www
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                                                                                                         )

[<g>]BAN A
[</g>]

                                                                                                                                                                                 Tiãút säú:34
                                                                                                                                                                                       Ngaøy soaïn.........../...........
                                                                                                                             söûa
                                                                                                                                               2+                      2+                           2+               3+        2+      +
                                                                                                                                       Mg /Mg                     Fe /Fe                   Cu /Cu                  Fe /Fe           A g /A g
                                                                                                                                   0
                n H 2 O : n CO 2 E 2
                                                  o                   0                 2       2          3            58     E        -2 ,3 7                    -0 ,4 4                 + 0 ,3 4                 + 0 ,7 7        + 0 ,8
                                  Sn                      /Sn
                                                                    E Sn 2    /Sn       4       3      4 3 4        4 3 28


Neâu vaán ñeà vaø giaûi quyeát vaán ñeà; Ñaøm thoaïi tìm toøi keát hôïp vôùi vieäc söû duïng
phöông tieän tröïc quan vaø thí nghieäm hoaù hoïc; Toå chöùc hoaït ñoäng ñoâng laäp cuûa HS
theo caù nhaân.

(Tieát 1)
                                                                     - 3                                                                                                                   7,02 1 3 1,12 1,12
  CH 4 CH 4
                                  CH 4
                                                      SO 4
                                                                 2
                                                                                                             § ≈¾ ⇄≡ò ð ñ CH 4 
                                                                       2                                                                                                                   0,12 2 2 22,4 22,4
                                  to              t0 , x t
                                                                    ⇄
                          0
                                                                             t0 , x t
                                                                                        ⇄≡
                      t                                                                                                                             o


                                                                                                        H 2SO 4 ñ            ñpnc                   t cao
                                                                                                                                                                   n H 2 O : n CO 2 n CO 2 : n H 2 O n O 2 (pöù
                                                                                                                                                                                                              )
                      o
        H 2 O/xt, t
                                  d A /H2

Font 11 AlO - , CrO                                                               -                                        -
                                                                                            0

                                          2
                                                                2
                                                                4
                                                                      SO 4
                                                                              2         t                    2-
                                                                                                       CO 3 HCO            3    CH 3 CH 3                E
                                                                                                                                                              0
                                                                                                                                                                  Zn
                                                                                                                                                                       2
                                                                                                                                                                           /Zn    E
                                                                                                                                                                                      o
                                                                                                                                                                                          Zn
                                                                                                                                                                                               2
                                                                                                                                                                                                   /Zn   VCO 2 : VH 2O    =
 a          b       0,2       CH 3 1                        85.02                                                     2     2          2
                                                      M                       .100 M                không khí       2 4   3 3          7   4
 2a             b     0,5                     2                 22,4

                          2                   2                                                                 2                 58
                                                                                                                                           Cu 2 S : a ( mol )                              63a               65(100 - a)
NO      3   ,       SO 4      ,   CO 3 NH                    4
                                                                                                         2
                                                                                                         4      3
                                                                                                                         3
                                                                                                                     4 3 4      4 28
                                                                                                                                                                                 AX                                             63,546
                                                                                                                                           FeS       2
                                                                                                                                                         : b ( mol )                                         100
     79.02                                                            12x               y            16z            M
                     .100                32,4% M                                                                         CnH 2n           2
                                                                                                                                               : a (mol) M A                      ≈↔ΔH                   1
                                                                                                                                                                                                         1
                                                                                                                                                                                                             H   ≡ 54 Co ≤ ≥ t s
                                                                                                                                                                                                                   27
                                                                                                                                                                                                                               0

        48,8                                                          mC              mH              mO            a
                                      0

 β σαπ                            t


1s 2s 2p 3s 3p64s23d104p5
    2           2         6       2
26,4
M Y n n n n C n H 2n                   2
                                                        NH       4
                                                                     NH 4 , Cl–, CO 3 - , HCO 3 CO 3 - NO 3 SO 2 - H 2 PO - , HPO 2 - ,
                                                                                    2         -    2      -
                                                                                                               4          4       4
                                               44
      -      3-    - 0 1,62                                                            12                   12 3m                 1
HSO   4
          PO 4 MnO 4 t s                                     0,09 (mol)                        .8,8                                   nH   2
                         18                                                            44                   44            2
α β γ δ ε δ ω π б∑ ∆ Ñ ≤≥ Â
                         a     b           0,2
 a    b       0,2                                       a        b       0,2                                mC            mH              m O 12x             y        16z
                         2a        b           0,5                                 x:y:z=                             :               :                  =         =
 2a       b    0,5                                      2a           b    0,5                                12               1            16       mC        mH       mO
                         a     b               c
                     mC                    mH           mO               0,72          0,09                0,48
x : y : z =                       :                :            =                 :                   :
                         12                1            16                12                   1            16
∆mbçnh 1• =mH O∆mbçnh 2• =mCO =
                         2                                       2


                                                                              3n       1
                                               C n H 2n      2       +                     O2                     n   CO2 + ( n + 1)H2O
                                                                                   2
                                                                                   3n
                                           C n H 2 n 1 OH                 +                    O2                 n   CO2 + ( n + 1)H2O
                                                                                       2
                                                          a n a                               ( n + 1)a




                                                                               3n          1
                                   C n H 2n+2                        +                         O2                    nC O 2               +     (n + 1)H      2O
                                                                                   2
                                                                                           y                                                    y
                                                    CxHy + (x +                                )O2                    xCO2 +                        H2O
                                                                                           4                                                    2
                                                                                           y       z                                                y
                                                CxHyOz + (x +                                              )O2                xCO2 +                    H2O
                                                                                           4       2                                                2
                                                                         3n     1 k
                                   C n H 2n           2-2k   +                             O2                    n    CO2 + ( n + 1– k )H2O
                                                                               2




12x            y             16z                14t              M
      =              =                     =            =
mC            mH             mO                    mN            a
A
           C n H 2n    C n H 2n   2   : a (mol)        CH 4 : 0,15 (mol)                             A         A : C n H 2 n 1 COOH
C n H 2n                                                                              C n H 2n   2        B
           C m H 2m C m H 2m          2   : b (mol) C 2 H 4 : 0,15 (mol)                             B         B : C m H 2 m 1 COOH
                                                                                                          C
RCH 2 OH : a (mol)
                            C n H 2 n 1COOH C nH 2 n 1COOH C n H 2 n 1COOH
R' CH 2 OH : b (mol)

                                                                  3n
                                            C n H 2n     +                O2           n    CO2 +             n   H2O
                                                                  2
                                                                      3n
                                          C n H 2n      +                  O2           nC O 2           +        nH 2 O
                                                                      2
                                                                  3m
                                      C m H 2m          +                 O2            mCO2             +        m H 2O
                                                                      2
                                                            3n - 1
                                  CnH2n-2 +                               O2          nCO2 + (n – 1)H2O
                                                              2
                      CH 2 OH                                                       CH 2 O                    O CH 2
                                                                                                     Cu
                 2 CH        OH               +      C u(O H ) 2                    CH       O              O CH             +    2H 2 O
                                                                                               H          H
                      CH 2 OH                                                       CH 2     OH           OH CH 2
                                                             3n       1
                       CnH2n+1COOH +                                      O2           (n + 1)CO2• + (n+1)H2O
                                                                  2

                                                                      
                                                                                                   Säú hiãûu nguyãn tæí
                                                                                                                  Nguyãn tæí khäúi
     H 2S                             FeS 2                                     Kê hiãûu         13      26,98
                                                                                                                  trung bçnh
                                                                                hoaï hoüc
                                                                                                 Al
S                 H 2 SO 4                           SO 2                       Tãn              Nhäm
                                                                                nguyãn täú                              Cáúu hçnh electron
                                                                                                 [Ne]3s23p1
                                                                                                          +3            Säú oxi hoaï

        SO 2                              SO 3

                  K 2 SO 4


                                                                                                                           Ngaìy soaûn:............/............
  Tiãút
                                                             ÄN TÁÛP ÂÁÖU NÀM(Tiãút 2)
    2
Å+
        H
                   Å+

2Å- O        2Å-
                   Å+
        Å+
        H

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Cac ki hieu

  • 1. GV quan saùt, theo doûi, giuùp ñôõ HS thöïc hieän thí nghieäm.www [<g>] [</g>] ) [<g>]BAN A [</g>] Tiãút säú:34 Ngaøy soaïn.........../........... söûa 2+ 2+ 2+ 3+ 2+ + Mg /Mg Fe /Fe Cu /Cu Fe /Fe A g /A g 0 n H 2 O : n CO 2 E 2 o 0 2 2 3 58 E -2 ,3 7 -0 ,4 4 + 0 ,3 4 + 0 ,7 7 + 0 ,8 Sn /Sn E Sn 2 /Sn 4 3 4 3 4 4 3 28 Neâu vaán ñeà vaø giaûi quyeát vaán ñeà; Ñaøm thoaïi tìm toøi keát hôïp vôùi vieäc söû duïng phöông tieän tröïc quan vaø thí nghieäm hoaù hoïc; Toå chöùc hoaït ñoäng ñoâng laäp cuûa HS theo caù nhaân. (Tieát 1) - 3 7,02 1 3 1,12 1,12  CH 4 CH 4 CH 4 SO 4 2 § ≈¾ ⇄≡ò ð ñ CH 4  2 0,12 2 2 22,4 22,4 to t0 , x t ⇄ 0 t0 , x t ⇄≡ t o  H 2SO 4 ñ ñpnc t cao n H 2 O : n CO 2 n CO 2 : n H 2 O n O 2 (pöù ) o H 2 O/xt, t d A /H2 Font 11 AlO - , CrO - - 0 2 2 4 SO 4 2 t 2- CO 3 HCO 3  CH 3 CH 3 E 0 Zn 2 /Zn E o Zn 2 /Zn VCO 2 : VH 2O = a b 0,2 CH 3 1 85.02 2 2 2 M .100 M không khí 2 4 3 3 7 4 2a b 0,5 2 22,4 2 2 2 58 Cu 2 S : a ( mol ) 63a 65(100 - a) NO 3 , SO 4 , CO 3 NH 4 2 4 3 3 4 3 4 4 28 AX 63,546 FeS 2 : b ( mol ) 100 79.02 12x y 16z M  .100 32,4% M CnH 2n 2 : a (mol) M A ≈↔ΔH 1 1 H ≡ 54 Co ≤ ≥ t s 27 0 48,8 mC mH mO a 0 β σαπ t 1s 2s 2p 3s 3p64s23d104p5 2 2 6 2
  • 2. 26,4 M Y n n n n C n H 2n 2 NH 4 NH 4 , Cl–, CO 3 - , HCO 3 CO 3 - NO 3 SO 2 - H 2 PO - , HPO 2 - , 2 - 2 - 4 4 4 44 - 3- - 0 1,62 12 12 3m 1 HSO 4 PO 4 MnO 4 t s 0,09 (mol) .8,8 nH 2 18 44 44 2 α β γ δ ε δ ω π б∑ ∆ Ñ ≤≥ Â a b 0,2 a b 0,2 a b 0,2 mC mH m O 12x y 16z 2a b 0,5 x:y:z= : : = = 2a b 0,5 2a b 0,5 12 1 16 mC mH mO a b c mC mH mO 0,72 0,09 0,48 x : y : z = : : = : : 12 1 16 12 1 16 ∆mbçnh 1• =mH O∆mbçnh 2• =mCO = 2 2 3n 1 C n H 2n 2 + O2 n CO2 + ( n + 1)H2O 2 3n C n H 2 n 1 OH + O2 n CO2 + ( n + 1)H2O 2 a n a ( n + 1)a 3n 1 C n H 2n+2 + O2 nC O 2 + (n + 1)H 2O 2 y y CxHy + (x + )O2 xCO2 + H2O 4 2 y z y CxHyOz + (x + )O2 xCO2 + H2O 4 2 2 3n 1 k C n H 2n 2-2k + O2 n CO2 + ( n + 1– k )H2O 2 12x y 16z 14t M = = = = mC mH mO mN a
  • 3. A C n H 2n C n H 2n 2 : a (mol) CH 4 : 0,15 (mol) A A : C n H 2 n 1 COOH C n H 2n C n H 2n 2 B C m H 2m C m H 2m 2 : b (mol) C 2 H 4 : 0,15 (mol) B B : C m H 2 m 1 COOH C RCH 2 OH : a (mol) C n H 2 n 1COOH C nH 2 n 1COOH C n H 2 n 1COOH R' CH 2 OH : b (mol) 3n C n H 2n + O2 n CO2 + n H2O 2 3n C n H 2n + O2 nC O 2 + nH 2 O 2 3m C m H 2m + O2 mCO2 + m H 2O 2 3n - 1 CnH2n-2 + O2 nCO2 + (n – 1)H2O 2 CH 2 OH CH 2 O O CH 2 Cu 2 CH OH + C u(O H ) 2 CH O O CH + 2H 2 O H H CH 2 OH CH 2 OH OH CH 2 3n 1 CnH2n+1COOH + O2 (n + 1)CO2• + (n+1)H2O 2  Säú hiãûu nguyãn tæí Nguyãn tæí khäúi H 2S FeS 2 Kê hiãûu 13 26,98 trung bçnh hoaï hoüc Al S H 2 SO 4 SO 2 Tãn Nhäm nguyãn täú Cáúu hçnh electron [Ne]3s23p1 +3 Säú oxi hoaï SO 2 SO 3 K 2 SO 4 Ngaìy soaûn:............/............ Tiãút ÄN TÁÛP ÂÁÖU NÀM(Tiãút 2) 2
  • 4. Å+ H Å+ 2Å- O 2Å- Å+ Å+ H