1. By Thanyamon C. 1

2. , , ,
(reactant)
(reactant)
reactant
(product)
(product)
By Thanyamon C. 2

3. HCl(aq) NaOH(aq
HCl(aq) + NaOH(aq)
(aq (aq) NaCl(aq)
NaCl(aq) + H2O(l)
(aq
Mg(s) 2HCl(aq)
Mg(s) + 2HCl(aq)
(s MgCl2(aq) + H2(g)
aq (aqueous)
s (solid)
l (liquid)
g (gas)
By Thanyamon C. 3

4. (Exothermic reaction)
( >> )
(Endothermic reaction)
( >> )
By Thanyamon C. 4

5. By Thanyamon C. 5

6. By Thanyamon C. 6

7. ( )
(Substrate) (Product)
=
=
By Thanyamon C. 7

8. ( )
A+B C+D
= A – A
= B – B
= C – C
= D – D
By Thanyamon C. 8

9. !!!
Mg(s)
Mg(s) + HCl(aq)
aq) MgCl2(aq) + H2(g)
(cm3) (s)
(s)
0.0 0
1.0 10
2.0 21
3.0 33
4.0 46
5.0 60
6.0 75
7.0
By Thanyamon C.
91 9

10. !!! ( )
0-10 s , 10-21 s ,
10-
21-
21-33 s , 33 – 46 s
By Thanyamon C. 10

11. ( )
( )
(catalyst) By Thanyamon C.
(retarder) 11

12. By Thanyamon C. 12

13. 1. CH4(g) + 2O2(g) CO2(g) + H2O(l)
O2(g)
CO2 (g) H2O(l)
O2(g) CO(g)
O2(g) O2(g)
CO2 (g) H2O(l)
H2CO3(aq)
By Thanyamon C. 13

14. ( )
2.
pH ≈ 5.5 – 6.0
pH
CO2, SO2, NO2
O(l)
CO2(g) + H2O(l) (aq)
H2CO3(aq)
By Thanyamon C. 14

15. By Thanyamon C. 15

16. ( )
3.
(O2) (H2O)
(H2O)
4Fe(s) + 3O2(g) 2Fe2O3⋅H2O(s)
O2
, ,
, By Thanyamon C. 16

17. ( )
4.
(NaHCO
(NaHCO3)
2NaHCO3(s)
NaHCO Na2CO3 + CO2(g) + H2O
,
(H2O2)
2H2O2(aq)
H 2H2O(l) + O2(g)
,
By Thanyamon C. 17

18. By Thanyamon C. 18