Agenda 3/19: HW: Create Q and A for Chapter test.
Chapter 14-15 test on Wednesday 3/25. Robotics Club today at 3:30
pm.
Warm-up: WRITE AND BALANCE THE EQUATION
1. P + O2  P4O10
reactants
product
Complete your cornell notes on acids and bases.
Table of Contents for Interactive Notebook Unit: 4 Chapter 12-15
Left side items
Page
Right side items
page
Balancing Equations HW
62
Balancing Act
63
Acids & Bases Venn
diagram
64
Acids and Bases Cornell
notes
65
Create Q and A for
Chapter test
66
Review for Chapter 14-15
67
WARM-UP: WRITE AND BALANCE THE EQUATION
1. P + O2  P4O10
reactants
product
Create Q and A for chapter 14-15
• Create at least 5 questions and answers to
what you think will be on the test.
• Compounds
• Chemical reactions
• Crystals and polymers
• Acids and Bases
66
67
Chapter 14-15 Test Review
Study Guide
Class Set. Do not write on this. Write all of your answers in
your notebook.
1. What is the name of the indicated atom in the acetic acid
molecule shown below?
O
CH3
C
O
H
2. Copper (Cu) reacts with oxygen (O) to
form
copper oxide (CuO). Explain whether CuO
will have similar properties to Cu, O, to
both, or to neither.
3. The following equations represent chemical
reactions. Which equation shows that the total mass during
a chemical reaction stays the same?
A1
B2
1
2Na + 2H2O
2
H2 + O2
3
4
C3
Mg + Cl2
NAOH +MgCl2
D4
NaOH + H2
H20
MgCl2
NaCl + MgOH
4. Which chemical equation indicates a
chemical reaction. How do you know?
(A) Na + Cl
NaCl
OR
(B) Fe(L)
Fe(S)
5. This picture is a cross section of a _____?
A
B
C
D
polymer
crystal
plastic
protein
6. Describe the pattern and structure of crystals.
REPEATING PATTERN OF POSITIVE AND NEGATIVE IONS
7. What element is best able to combine with
itself and Hydrogen (H) to form large
molecules? CARBON
8. What characteristic of carbon (C) makes it
essential to living organisms?
It can bond 4 different ways thus creating
variety in compounds
9. Which of the following compounds is most likely to be
part of living organisms?
A
B
C
D
C6H12O6
BF3
MoCl2
CsI
10. Balance the equation
2H2 + O2  2 H2O
11. What are the reactants?
2Mg + O2
2MgO
12. Using the chart, what would be the mass of CO2 after the
chemical reaction?
NaHCO3 + CaCl2  CaCO3 + H20 + CO2
Mass of items used in experiment
Mass after chemical reaction took place
Baking soda (NaHCO3) 50 grams
CaCO3
Triple Beam balance
H20
3500 grams
Plastic bag
5 grams
CaCl2
150 grams
A.3705 grams
B.205 grams
C. 200 grams
D. 80 grams
CO2
100 grams
20 grams
?
13. You are observing a reaction occurring in a
beaker. Which would be the best method for
determining whether the reaction is exothermic
or endothermic?
If you touch the outside of the beaker and it is hot, it is exothermic.
14.
2Al2O3  4Al + 3O2
20g
15g + ?
What is the mass of 3O2?
5 grams
15. After Mike added some vinegar to a test powder in a
beaker, the mixture started to fizzle and changed color.
Considering this result, which statement most likely applies?
A
A chemical change did not occur.
B A chemical change produced new substances.
C A physical change produced new substances
D A physical change usually gives off heat.
16. When potassium metal is placed in water, it bursts
into flames. This reaction is identified as
A endothermic
B exothermic
C neutralizing
D reactants
17. How many bonds in CO2?
C
O
O
4 bonds
18. A student burns 5 grams of oil. She finds that the mass of
the product is 1 gram. She concluded that that the total mass
of the product decreased in the chemical reaction. Which is
the problem with her conclusion?
Some of the reactants turned to a gas and escaped so she could not measure it.
19. Which is an organic compound?
A CH4
B HCl
C NaCl
D O2
20. The equation shows which type of process?
H2O(L)
H2O(S)
A
B
C
D
Chemical
Physical
Both Physical and Chemical
None of these
21. How many atoms of each element make up
4MgCl2?
4 Mg
8 Cl
22. Which element is not usually found in molecules
that make up living organisms?
A
B
C
D
C
N
O
Pb
23. Which is not an example of a large
molecule made from many smaller parts?
A
B
C
D
sugar
DNA
enzyme
starch
24. How many atoms of each element are in 3N3O
9N
3O
25. Which is a carbon-based molecule?
A
B
C
D
oxygen
salt
sugar
water
26. Is a liquid with a pH of 6 acidic, basic, or neutral?
How do you know?
ACID, less than 7
27. You cut a grapefruit in half and touch a
piece of blue litmus paper to the inside of
the fruit. What happens to the litmus paper?
It turns red
28. Which of these is acidic?
A. Tums
B. shampoo
C. orange juice
D. saltwater
29. What two products form when an acid and base mix?
ACIDS AND BASES
30. How can you neutralize an acid?
ADD A BASE
31. In a balanced chemical equation, which is true about the
number of atoms of each element in the products and in
the reactants?
THE NUMBER OF ATOMS NEEDS TO BE THE SAME ON BOTH SIDES OF THE EQUATION.
32. What should be balanced in a chemical equation?
THE ATOMS
33. Several grams of table salt are dissolved in a
beaker of water. How would this change be classified?
A. Chemical reaction; heat is usually required to make
salt dissolve.
B. Chemical reaction; the salt changed form as it
dissolved.
C. Physical change; no heat was released during the
change
D. Physical change; the salt and water did not form new
substances.
34. What is the best explanation for the following equation?
HCl + NaOH  NaCl + H2O
A. The mass before the reaction and the mass
after the reaction are not equal.
B. The mass before the reaction and the mass
after the reaction are equal.
C. The properties of the products are the same
as the properties of the reactants.
D. None of these.
35. Find the mass of the reactants, products and determine if it
meets the law of conservation of mass.
A. Reactants 5 grams, Products 5 grams, Yes
B. Reactants 3 grams, Products 2 grams, No
C. Reactants 7 grams, Products 7 grams, Yes
D. Reactants 7 grams, Products 7 grams, No