Properties of Matter Review

CPE 2011

2.1 What Is Matter?

The smallest unit of an element that maintains the properties of that element is a(n)

molecu

le ato

m

substa

nce

compound

0% 0%0%0%

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1. molecule2. atom3. substance4. compound

Which of the following is not a pure substance?

Element

Molecu

le

Compound

Mixt

ure

0% 0%0%0%

1. Element2. Molecule3. Compound4. Mixture

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Which of the following is a mixture?

Air

Sodium ch

lorid...

Pure Wate

r

Sulfu

r

0% 0%0%0%

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1. Air2. Sodium chloride3. Pure Water 4. Sulfur

Which of the following is not a homogeneous mixture?

1. silv

er

2. salt w

ater

3. tea

4. clear le

mon...

0% 0%0%0%

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1. silver 2. salt water3. tea 4. clear lemon-lime

soda

________ is an example of matter, while _______ is not matter.

Heat; p

aper

Sound; s

unligh...

Sunglasse

s; wa...

Air; su

nlight

0% 0%0%0%

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1. Heat; paper2. Sound; sunlight3. Sunglasses; water4. Air; sunlight

7.1 Solutions and Other Mixtures

One example of a heterogeneous mixture is

muddy w

ater.

plain wate

r.

salt w

ater. air.

0% 0%0%0%

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1. muddy water. 2. plain water. 3. salt water. 4. air.

Some rubbing alcohol is a uniform mixture of isopropanol and water. This mixture

is a

solution....

settles o

ut up...

is hete

rogeneo...

is im

miscible.

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1. is a solution. 2. settles out upon

standing. 3. is heterogeneous. 4. is immiscible.

Particles in a _______ can be separated by filtration.

alloy

solution

susp

ension

all of t

he abo...

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1. alloy2. solution3. suspension4. all of the above

Cinnamon sugar can be best classified as a(n)

element

compound

homogeneous mi...

hetero

geneous ...

0% 0%0%0%

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1. element2. compound3. homogeneous

mixture4. heterogeneous

mixture

Carbon is an example of a

Element

Compound

Pure substa

nce

Both 1 &

3

0% 0%0%0%

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1. Element2. Compound3. Pure substance4. Both 1 & 3

2.2 Properties of Matter

Which of the following statements does not describe a physical property of iron?

Iron is

denser..

.

Iron m

elts at ..

.

Iron ca

n be fo...

Iron re

acts w

i...

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1. Iron is denser than aluminum.

2. Iron melts at 1535°C. 3. Iron can be formed into

different shapes.4. Iron reacts with strong

acids.

All of the following are units for density except

g/mL3

g/mL

g/cm

3 g/

L

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1. g/mL3

2. g/mL3. g/cm3

4. g/L

Which of the following is not a physical property of matter?

Boiling p

oint

Flammabilit

y

Solubilit

y (ho...

Densit

y

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1. Boiling point2. Flammability3. Solubility (how well

something dissolves)

4. Density

What is the volume of a 45 g piece of copper that has a density of 8.92 g/mL?

400 mL

0.20 mL

5.0 mL

54 mL

0% 0%0%0%

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1. 400 mL2. 0.20 mL3. 5.0 mL4. 54 mL

A block of wood has dimensions of 9.5 cm long, 2.3 cm wide, and 1.8 cm high. What is the density of the block

of wood if it has a mass of 28.6 g?

1100 g/cm

3

0.73 g/cm

3

2.1 g/cm

3

1.4 g/cm

3

0% 0%0%0%

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1. 1100 g/cm3

2. 0.73 g/cm3

3. 2.1 g/cm3

4. 1.4 g/cm3

2.3 Changes of Matter

Which of the following is a physical change?

Melting i

ce cu

...

Burning p

aper

Rusting i

ron

Burning g

asoli..

.

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1. Melting ice cubes2. Burning paper3. Rusting iron4. Burning gasoline

One property of all mixtures is that they

can be se

parat...

contain a defi...

conta

in chemi...

are solutions.

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1. can be separated without chemical changes.

2. contain a definite ratio of elements.

3. contain chemically combined elements.

4. are solutions.

All of the following are indicators of chemical changes except that

gas i

s release

...

light a

nd soun...

the su

bstance

s...

new substa

nces..

.

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1. gas is released.2. light and sound are

released. 3. the substances

don’t change.4. new substances are

formed.

Which of the following is not a physical way to separate a mixture?

using a m

agnet t

o pick ..

heating the m

ixture until ..

passing th

e mixtu

re th

r...

spinning t

he mixt

ure in

...

0% 0%0%0%

1. using a magnet to pick up one part of the mixture

2. heating the mixture until it burns

3. passing the mixture through a filter

4. spinning the mixture in a centrifuge

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Which of the following is least likely to be a sign that a chemical change is taking place?

A bright fl

ame...

Bubbles of g

as...

A solution ch

a...

Spille

d rubbin...

0% 0%0%0%

1. A bright flame is produced.

2. Bubbles of gas are released.

3. A solution changes from colorless to red.

4. Spilled rubbing alcohol seems to disappear.

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3.1 Matter and Energy

Which segment represents the solid state only?

A to B

B to C

C to D

D to

E

0% 0%0%0%

1. A to B2. B to C3. C to D4. D to E

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Which segment represents evaporation?

A to B

B to C

C to D

D to

E

0% 0%0%0%

1. A to B2. B to C3. C to D4. D to E

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What is happening to the particles during segments D to E?

Moving fa

ster

Spre

ading apar..

.

Moving fa

ster .

..

Moving sl

ower ...

0% 0%0%0%

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1. Moving faster2. Spreading apart3. Moving faster and

spreading apart4. Moving slower and

closer together

Freezing/solidification is a ____ change because ___.

Endoth

ermic;

h...

Exoth

ermic;

he...

Endoth

ermic;

h...

Exoth

ermic;

he...

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1. Endothermic; heat energy is gained

2. Exothermic; heat energy is lost

3. Endothermic; heat energy is lost

4. Exothermic; heat energy is gained

Which of the following is not a part of the kinetic theory of matter?

High

er pote

nti...

High

er tempera

...

Larg

e particle

...

All matter is

...

0% 0%0%0%

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1. Higher potential energy means higher temperatures

2. Higher temperatures make particles move faster

3. Large particles move more slowly

4. All matter is made of particles