Student Document: Chemical Kinetics (High School)

 pG3 
1
01
HCl
NaOH
20
NaOH
4
CuSO
01
Mg
+
3
-
(H O ,Cl )
20
KI
22
HO
( ) ( ) ( )
..............................................................................................
23
2 aq aq aq
-+
H O 2I H O ⎯⎯⎯⎯→++
 2026
( )
( )
( )
............................................................................................................
+2
4
aq aq
2--
(Na ,OH ) Cu , SO
+⎯⎯⎯→+
( )
( )
+..........................................................................................................................
s3aq
-
Mg 2(H O Cl ) ⎯⎯⎯⎯→++
( ) ( )
......................................................................................................
++
3aq aq
-- (H O ,Cl ) (Na ,OH ) ⎯⎯⎯→+
01

 pG3 
2
21
aA + bB cC + dD ⎯⎯⎯→
[A]
[B]
[C]
[D]
C f (t)=
1
tt=
1
V = =
t
dC tg
dt

 pG3 
3
( ) ( ) ( ) ( )
2- - 2-
aq aq aq aq
22
84
S O SO2I I 2+ = +
-3
-
dI
- = 3×10 mol/L.min
dt
2
I
3
CH COOH
5
2
C H OH
0,5mol/L
NaOH
50
40
30
20
15
10
5
0
( )
t min
0,198
0,227
0,259
0,307
0,344
0,384
0,434
0,5
3
CH COOH mol/L
( )
3
CH COOH f t =
m
V
12
[t 10min , t 50min]==
t 20min=

 pG3 
4
5
( )
t min
0,05
3
CH COOH[ - ]

 pG3 
5
OH
CH3
CH
CH3
COOH
CH3+H+
...................................................................................................................
)(
 pH
( )
( )
.....................................................................................................................................
+
s3aq
-
Zn 2(H O Cl ) ⎯⎯⎯⎯→++
....................................... .......................................
HCl
12 22 11 2
C H O H O
saccharose
⎯⎯⎯→++
....................................... .......................................
+
5
32
-
CH -COOC H (Na ,OH ) ⎯⎯⎯⎯→++
( )
( )
.......................... ........................... .......................
+
s3aq
-
Mg 2(H O Cl ) ⎯⎯⎯⎯→+ + + +