1. ACIDS, BASES and SALTS

2. My numbering system Slide title: A, B, C…
- Points on a slide: 1, 2, 3,
- How to find it on your note handout: A1, A2, B1, B2…

3. A1. What is a/an acid, base, salt? A2. How to name them
A. What you need to know?
A1. What is a/an acid, base, salt?
A2. How to name them
A3. Acid, base, salt properties
A4. Identify at least 3 products that are acids, bases, and salts used in daily life

4. Organic(= Carbon-containing) acids Inorganic (=no carbon) acids
B. Common Acids
Name
Formula
Organic(= Carbon-containing) acids
vinegar (acetic acid)
HC2H3O2
citric acid
HC6H7O2
ascorbic acid
HC6H7O6
lactic acid
HC3H5O3
acetylsalicylic acid
HC9H7O4
Inorganic (=no carbon) acids
sulfuric acid
H2SO4
carbonic acid
H2CO3
phosphoric acid
H3PO4
nitric acid
HNO3
hydrochloric acid
HCl
hydrobromic acid
HBr
hydrofluoric acid HF

5. C. What is an acid?
C1. An acid is a compound that accepts pair of electrons. Commonly, most acid have proton (H+) in their chemical formula

6. D.How to name acid HF Hydrofluoric acid HCl Hydrochloric acid HBr
D1. Inorganic acids (=no C, O in formula):
Hydro---ic acid
e.g. HF
Hydrofluoric acid
HCl
Hydrochloric acid
HBr
Hydrobromic acid HI
Hydroiodic acid

7. (Non-ate part)- ic acid
How to name acid (cont.)
D2. Oxoacids (oxygen-containing acids):
(Non-ate part)- ic acid
Oxoacids
Non-ate part
Names
HClO3
Chlor-
Chloric acid
HNO3
Nitr-
Nitric acid
H2CO3
Carbon-
Carbonic acid
HBrO3
Brom-
Bromic acid
HIO3
Iod-
Iodic acid
HC2H3O2
Acet-
Acetic acid

8. (Non-ate part)- ic acid
How to name acid (cont.)
D3. Oxoacids that are slight exceptions to the naming rules of:
(Non-ate part)- ic acid
Oxoacids
Non-ate part
Names
H2SO4
Sulph-
Sulfuric acid
H3PO4
Phosph-
Phosphoric acid

9. E. Common Acid Properties
E1. Sour
E2. Corrosive
E3. Water-soluble
E4. Good electricity conductors

10. F. Acids in everyday life
F1.Carbonic acid (H2CO3)
F2.Citric acid
Also, ascorbic
acid (Vitamin C)

11. F. Acids in everyday life
F4. Cheese (acetic acid)
F3. Aspirin
(acetylsalicylic acid)
F5.Sour milk (lactic acid)

12. F6. Sorbic Acid: a preservative

13. G. Acids in the body G1.Heartburn:
Caused by HCl from the stomach comes back up the esophagus
Despite its name, heartburn actually has nothing to do with the heart. It is so called because of a burning sensation of the breastbone where the heart is located
Smoking, Eating large meals or shortly before bedtime , chocolate, fried and fatty foods, peppermint, coffee, alcohol, sugars relax the lower esophagus sphincter

14. H. Bee Sting and Formic Acid

15. BASES

16. Focus only on inorganic bases
I. Common Bases
Focus only on inorganic bases
Name
Formula
Sodium hydroxide
NaOH
Potassium hydroxide
KOH
Aluminum hydroxide
Al(OH)3
Ammonium hydroxide
NH4OH
Sodium bicarbonate
NaHCO3
Potassium sulfite
K2SO3

17. J. What is a base?
J1. A base is a compound which donate pairs of electrons. Commonly, most bases have hydroxide (OH-) in their chemical formula

18. K-How to name bases? LiOH Lithium hydroxide Mg(OH)2
Metal name first+ hydroxide e.g
LiOH
Lithium hydroxide
Mg(OH)2
Magnesium hydroxide
Ca(OH)2
Calcium hydroxide
Fe(OH)2
Iron hydroxide

19. L. Common Acid Properties
Bases:
L1. are bitter
L2. feel slippery
L3. are water-soluble
L4. are good electricity conductors

20. M. Bases in everyday life
M3. Baking soda
(NaHCO3)
M2. Windex (NH3)
M1.Drain cleaners contains NaOH

21. N. What would you do if?
N1.Your car battery acid (H2SO4) is spilled?

22. SALTS

23. O. What is a salt?
O1. Salts are composed of positively charged ion (cation) and negatively charged ion (anion)
O2. A salt is formed when acid react with base
E.g. CuSO4

24. P. Applications of Salts
P1. Soaps and Detergents

25. P. Applications of Salts (cont.)
P2. Fertilizer (e.g. Ammonium sulfate, magnesium sulfate)

26. Q. Salt and our Canadian’s weather
Q1. Why put salt on the sidewalk when it snows?

27. Q. Salt and our Canadian’s weather
Q1. Road salt helps reduce the freezing point of snow

28. R. A Cultural Look at Food Preservation
Table salts

29. What are the most 2 interesting things you find out about ACIDS today?
What are the most 2 interesting things you find out about BASES today?
What are the most 2 interesting things you find out about SALTS today?