Chapter 1

Question 1

Chemistry

Answer 1

Study of matter, its properties, the changes that matter undergoes, and energy associated with these changes

Question 2

Matter

Answer 2

Anything with mass and volume

Question 3

Composition

Answer 3

Types and amounts of simpler substances that make up a sample of matter

Question 4

Properties

Answer 4

Characteristics that give a substance unique properties

Question 5

Solid

Answer 5

Fixed shape and volume

Question 6

Liquid

Answer 6

Varying shape and fixed volume. Has an upper surface.

Question 7

Gas

Answer 7

Varying shape and volume. No surface

Question 8

Physical Properties

Answer 8

Properties a substance shows by itself without interacting with another. Ex) color, melting point, boiling point, density

Question 9

Chemical Properties

Answer 9

Properties a substance shows as it interacts with, or transforms into other substances. A change in identity. Ex) Flammability, corrosiveness

Question 10

How are physical changes reversed?

Answer 10

Change in temperature. Changes of state are physical (form changes, not composition)

Question 11

Can chemical changes be reversed by temperature?

Answer 11

No

Question 12

What property is this? Frost forms as temperature drops?

Answer 12

Physical

Question 13

What property is this? Cornstalk grows from a seed

Answer 13

Chemical

Question 14

What property is this? A match ignites

Answer 14

Chemical

Question 15

What property is this? Perspiration evaporates

Answer 15

Physical

Question 16

What property is this? A silver fork tarnishes

Answer 16

Chemical

Question 17

Energy

Answer 17

Ability to do work

Question 18

Potential energy

Answer 18

Due to position of object(stored energy)

Question 19

Kinetic Energy

Answer 19

Due to movement of object

Question 20

What energy states are more stable?

Answer 20

Lower energy states are more stable and are favored over higher energy states

Question 21

Energy cannot be created or destroyed. What can happen?

Answer 21

It is conserved and can be converted from one form to another

Question 22

What is mass measured in and what is the abbreviation?

Answer 22

Kilograms(kg)

Question 23

What is length measured in and what is the abbreviation?

Answer 23

Meters(m)

Question 24

What is time measured in and what is the abbreviation?

Answer 24

Seconds(s)

Question 25

What is temperature measured in and what is the abbreviation?

Answer 25

Kelvin(K)

Question 26

What is the amount of a substance measured in and what is the abbreviation?

Answer 26

Mole(mol)

Question 27

Name the decimal prefix with conventional notation and symbol 1x10^6

Answer 27

Mega(M). 1,000,000

Question 28

Name the decimal prefix with conventional notation and symbol 1x10^3

Answer 28

Kilo(k). 1,000

Question 29

Name the decimal prefix with conventional notation and symbol 1x10^-1

Answer 29

Deci(d). 0.1

Question 30

Name the decimal prefix with conventional notation and symbol 1x10^-2

Answer 30

Centi(c). 0.01

Question 31

Name the decimal prefix with conventional notation and symbol 1x10^-3

Answer 31

Milli(m). 0.001

Question 32

Name the decimal prefix with conventional notation and symbol 1x10^-6

Answer 32

Micro(u). 0.000001

Question 33

Name the decimal prefix with conventional notation and symbol 1x10^-9

Answer 33

Nano(n). 0.000000001

Question 34

Name the decimal prefix with conventional notation and symbol 1x10^-12

Answer 34

Pico(p). 0.000000000001

Question 35

Conversion Factor

Answer 35

A ratio of equivalent quantities used to express a quantity in different units. True statement between two units

Question 36

Density

Answer 36

Mass of a sample divided by volume. D=m/v

Question 37

What is the density of water?

Answer 37

1

Question 38

Temperature

Answer 38

Measure of how hot or cold one object is relative to another

Question 39

Heat

Answer 39

Energy that flows from an object with a higher temperature to an object with a lower temperature

Question 40

Celcius

Answer 40

Based on freezing(0 degrees) and boiling(100 degrees) points of water

Question 41

Kelvin(K)

Answer 41

The "absolute temperature scale" begins at zero and has no positive values. K-273.15=c

Question 42

What is 55 degrees Celsius in Kelvin?

Answer 42

328.15K. K=c+273.15.

Question 43

What is 55 Kelvin in celcius?

Answer 43

-218.15c. c=K-273.15

Question 44

What is 20 degrees celsius in Fahrenheit?

Answer 44

68F. F=(9/5)c+32

Question 45

What is 20 degrees Fahrenheit in celsius?

Answer 45

-6.67c. c=(F-32)5/9

Question 46

Which digit of any measurement is estimated?

Answer 46

Rightmost

Question 47

How many significant figures? 0.0030 L

Answer 47

2

Question 48

How many significant figures? 0.1044 g

Answer 48

4

Question 49

How many significant figures? 53.069 L

Answer 49

5

Question 50

How many significant figures? 3040 kg

Answer 50

3

Question 51

How many significant figures? 0.00004715 m

Answer 51

4

Question 52

Write in scientific notation? 423.9200

Answer 52

4.239200x10^2

Question 53

Write in scientific notation and count significant figures. 57,600.

Answer 53

5 sf. 5.7600x10^4