Honors Chemistry - Midterm REVIEW

Question 0

What is chemistry?

Answer 0

A study of the materials in the universe and the changes they undergo

Question 1

List the steps of the scientific method (there are 8)

Answer 1

Objective
Research (background)
Hypothesis
Procedure
Data
Analysis
Conclusion
Communicate Results (discuss)

Question 2

What are the two types of observations

Answer 2

Qualitative Observations

Quantitative Observations

Question 3

Qualitative Observation ex:

Answer 3

blue liquid, viscus liquid

Question 4

Quantitative Observation ex:

Answer 4

crystals - 2.02g

Question 5

The state of matter for an object that has neither definite shape nor definite volume

Answer 5

gaseous

Question 6

The state of matter for an object that has a definite volume but not a definite shape

Answer 6

liquid

Question 7

The state of matter for an object that has both definite volume and definite shape is

Answer 7

solid

Question 8

Anything that has mass and volume is called

Answer 8

matter

Question 9

cooking an egg

Answer 9

chemical change

Question 10

boiling water

Answer 10

physical change

Question 11

ironing a shirt

Answer 11

physical change

Question 12

burning gasoline

Answer 12

chemical change

Question 13

decomposing water

Answer 13

chemical change

Question 14

evaporating alcohol

Answer 14

physical change

Question 15

sanding a table top

Answer 15

physical change

Question 16

grinding grain

Answer 16

physical change

Question 17

fermenting fruit juice

Answer 17

chemical change

Question 18

dissolving sugar in water

Answer 18

physical change

Question 19

cooking an egg involves…

Answer 19

a chemical change

Question 20

evaporating water is a…

Answer 20

physical change

Question 21

Helium is very nonreactive

Answer 21

chemical property

Question 22

boiling water involves…

Answer 22

no chemical change

Question 23

sugar dissolves in coffee is a…

Answer 23

physical change

Question 24

a "tin" can rusts is a...

Answer 24

chemical change

Question 25

digesting pizza

Answer 25

chemical change

Question 26

In a chemical change,

Answer 26

the products are different substances from the starting materials

Question 27

baking a cake

Answer 27

chemical change

Question 28

lighting a match

Answer 28

chemical change

Question 29

driving a car

Answer 29

chemical change

Question 30

cookies burn in the oven

Answer 30

chemical change

Question 31

a banana ripens

Answer 31

chemical change

Question 32

leaves turn colors in the fall

Answer 32

chemical change

Question 33

water condenses on a mirror

Answer 33

physical change

Question 34

grinding coffee beans

Answer 34

physical change

Question 35

coffee spilled on a shirt

Answer 35

physical change

Question 36

an ice cube melting in a drink

Answer 36

physical change

Question 37

All _____ are ______ changes

Answer 37

phase | physical

Question 38

If iodine melts at 114C and boils at 184C, what is its physical state at 120C?

Answer 38

solid

Question 39

If iodine melts at 114C and boils at 184C, what is its physical state at 98C?

Answer 39

liquid

Question 40

If iodine melts at 114C and boils at 184C, what is its physical state at 250C?

Answer 40

gas

Question 41

chemical property of gold

Answer 41

gold is an inert (nonreactive) metal

Question 42

paper burning

Answer 42

chemical change

Question 43

water boiling

Answer 43

physical change

Question 44

gasoline evaporating

Answer 44

physical change

Question 45

butter melting

Answer 45

physical change

Question 46

sugar dissolving in water

Answer 46

physical change

Question 47

compound

Answer 47

always has the same composition

Question 48

helium

Answer 48

element

Question 49

A compound can consist of one kind of element (T/F)

Answer 49

False

Question 50

oxygen

Answer 50

element

Question 51

silver

Answer 51

element

Question 52

the air in this room

Answer 52

mixture

Question 53

elements, compounds, pure water, and carbon dioxide are all...

Answer 53

pure substances

Question 54

a solution of..

Answer 54

gases

Question 55

a mixture of..

Answer 55

solids

Question 56

a homogenous mixture is called...

Answer 56

solution

Question 57

table salt

Answer 57

a compound

Question 58

chlorine gas

Answer 58

element

Question 59

sand in water

Answer 59

a heterogenous mixture

Question 60

petroleum

Answer 60

a homogenous mixture

Question 61

caffeine

Answer 61

a homogenous mixture

Question 62

water is an example of

Answer 62

a compound

Question 63

a solution can be distinguished from a compound by its

Answer 63

variable composition

Question 64

iron

Answer 64

element

Question 65

14K gold

Answer 65

mixture

Question 66

pure silver

Answer 66

element

Question 67

aluminum

Answer 67

element

Question 68

distilled water

Answer 68

compound

Question 69

tap water

Answer 69

mixture

Question 70

brass

Answer 70

mixture

Question 71

tungsten

Answer 71

element

Question 72

sodium chloride

Answer 72

compound

Question 73

air is a...

Answer 73

mixture

Question 74

homogenous mixture ex:

Answer 74

vodka

Question 75

helium

Answer 75

element

Question 76

the process of filtering a sand-saltwater mixture is a _____ process

Answer 76

physical

Question 77

Breaking a compound into its constituent elements requires

Answer 77

chemical methods

Question 78

separating a heterogenous mixture into pure substances requires

Answer 78

physical methods

Question 79

separating a homogenous mixture into pure substances

Answer 79

physical methods

Question 80

the light on the candle burns until a bell jar is placed over it for a period of time is a

Answer 80

chemical change

Question 81

when a few drops of red food coloring are added to a beaker of hot water, the water immediately turns red is a

Answer 81

physical change

Question 82

dry ice sublimes when left on the demo table in lecture is a

Answer 82

physical change

Question 83

liquid nitrogen dumped onto the floor vaporizes at room temperatures is a

Answer 83

physical change

Question 84

gasoline is a

Answer 84

homogenous mixture

Question 85

pure water

Answer 85

heterogenous mixture

Question 86

jar of jelly beans

Answer 86

heterogenous mixture

Question 87

soil

Answer 87

heterogenous mixture

Question 88

copper metal

Answer 88

heterogenous mixture

Question 89

diamond is a ______ state of matter

Answer 89

solid

Question 90

A _____ change involves change in one or more physical properties, but no change in the fundamental components that make up the substance

Answer 90

physical

Question 91

A _____ change involves a change in the fundamental components of the substance; a given substance changes into a different substance or substances.

Answer 91

chemical

Question 92

water is a

Answer 92

pure substance

Question 93

carbon is a

Answer 93

pure substance

Question 94

gold is a

Answer 94

pure substance

Question 95

ammonia is a

Answer 95

pure substance

Question 96

water is a

Answer 96

mixture

Question 97

ammonia is a

Answer 97

compound

Question 98

How many decimeters in one meter?

Answer 98

10

Question 99

What is the fundamental SI unit of mass in the metric system?

Answer 99

kilograms

Question 100

pure water is a...

Answer 100

compound