2.78; 2.84; 2.87; 2.94; 2.100; 2.110
_______ ________
03. .
3.8; 3.13; 3.53; 3.56
_______
4.1
- .
. : .
: - (33-380) . .
. , , , 50 , 10 , 250 , , . , , , , , .
. -:
H2O2 + 2I- + 2H+ I2 + 2H2O
, 1 , :
I2 + 2S2O32- 2I- + S4O62-
, . , .
, . , .
(. - ).
:
1. :
- 50 ()
- 5 ( )
- 1,0 ( )
- 5,0
- 5,0 ( )
( 0 ).
2. . 5-6 .
3. , . . (Vo) .
4. (1) .
. (k)
: 1 V0 -1
|
|
|
k = -----ln ---------
t V0 -1-Vt
Vt , t.
(k).
| Vt, | 1 = ( ) | V = | |
| ( ) ( | t, | k, -1 | |
| - | |||
| k = |
| Vt, | 2 = ( ) | V = | |
| t, | k, -1 | ||
| - | |||
| k = |
: :
RT1T2 ln k (2)/k (1)
= ----------------------------------------
T2 T1
T1 - ,
T2 ,
k1 k2 1 2, , -1.
:
k2 10/2- 1
γ = (--------)
k1
* : : 1) ; 2) ; 3) -.
______ _______
.
