From Quiz 1 Flashcards

(66 cards)

1
Q

What type of state of matter is a gas that has electrons flowing through it?

A

Plasma

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2
Q

What Is it called when a solid turns directly into a gas?

A

Sublimation

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3
Q

True or false? All phase changes (changing states) require energy to be added or taken away

A

True

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4
Q

Changes from gas to solid is called…

A

Deposition

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5
Q

Changes from gas to liquid…

A

Condensation

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6
Q

Change from liquid to solid is called…

A

Freezing

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7
Q

All changes in the state of matter of a substance requires

A

Energy

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8
Q

What happens to particles when they are heated?

A

They speed up and spread out

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9
Q

What is the deposition?

A

Phase change from gas to solid

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10
Q

What is sublimation?

A

Phase change from solid to gas

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11
Q

Identify whether it is a pure substance element or compound or if it is a mixture, homogeneous or heterogeneous?

Rubbing alcohol

A

Mixture, homogeneous

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12
Q

Identify whether it is a pure substance element or compound or if it is a mixture, homogeneous or heterogeneous?

Whiskey

A

Mixture, homogeneous

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13
Q

Identify whether it is a pure substance element or compound or if it is a mixture, homogeneous or heterogeneous?

Hydrochloric acid

A

Pure substance, compounds

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14
Q

Identify whether it is a pure substance element or compound or if it is a mixture, homogeneous or heterogeneous?

Helium gas

A

Pure substance, element

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15
Q

Identify whether it is a pure substance element or compound or if it is a mixture, homogeneous or heterogeneous?

Milk

A

Mixture, heterogeneous

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16
Q

Identify whether it is a pure substance element or compound or if it is a mixture, homogeneous or heterogeneous?

Butter

A

Mixture, heterogeneous

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17
Q

Identify whether it is a pure substance element or compound or if it is a mixture, homogeneous or heterogeneous?

Silicon

A

Pure substance, element

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18
Q

Identify whether it is a pure substance element or compound or if it is a mixture, homogeneous or heterogeneous?

Stainless steel

A

Mixture, homogenous

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19
Q

Identify whether it is a pure substance element or compound or if it is a mixture, homogeneous or heterogeneous?

Hydrogen gas

A

Pure substance, element

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20
Q

Identify whether it is a pure substance element or compound or if it is a mixture, homogeneous or heterogeneous?

Carbonated drinks

A

Mixture, homogeneous

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21
Q

Identify whether it is a pure substance element or compound or if it is a mixture, homogeneous or heterogeneous?

Carbon dioxide

A

Pure substance, compound

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22
Q

Identify whether it is a pure substance element or compound or if it is a mixture, homogeneous or heterogeneous?

Mayonnaise

A

Mixture, heterogeneous

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23
Q

Identify whether it is a pure substance element or compound or if it is a mixture, homogeneous or heterogeneous?

Hydrogen peroxide

A

Pure substance, compound

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24
Q

Identify whether it is a pure substance element or compound or if it is a mixture, homogeneous or heterogeneous?

Potassium

A

Pure substance, element

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25
Identify whether it is a pure substance element or compound or if it is a mixture, homogeneous or heterogeneous? Glucose
Pure substance, compound
26
Identify whether it is a pure substance element or compound or if it is a mixture, homogeneous or heterogeneous? 18k gold ring
Mixture, homogeneous
27
Identify whether it is a pure substance element or compound or if it is a mixture, homogeneous or heterogeneous? Uranium
Pure substance, element
28
Identify whether it is a pure substance element or compound or if it is a mixture, homogeneous or heterogeneous? Water vapor
Pure substance, compound
29
Identify whether it is a pure substance element or compound or if it is a mixture, homogeneous or heterogeneous? Aerosol spray
Mixture , heterogenous
30
Identify whether it is a pure substance element or compound or if it is a mixture, homogeneous or heterogeneous? Toothpaste
Mixture, heterogeneous
31
Identify whether it is a physical change or a chemical change: Water is heated and change into steam
Physical
32
Identify whether it is a physical change or a chemical change: Igniting a match stick
Chemical
33
Identify whether it is a physical change or a chemical change: A sugar cube dissolves in water
Physical
34
Identify whether it is a physical change or a chemical change: Cereal added with milk
Physical
35
Identify whether it is a physical change or a chemical change: Trimming a bush
Physical
36
Identify whether it is a physical change or a chemical change: A bicycle tire is inflated
Physical
37
Identify whether it is a physical change or a chemical change: Silver metal tarnishes
Chemical
38
Identify whether it is a physical change or a chemical change: Window steel frame changes color as it rusts
Chemical
39
Identify whether it is a physical change or a chemical change: Alcohol evaporates
Physical
40
Identify whether it is a physical change or a chemical change: A marshmallow is toasted over a campfire
Chemical
41
State whether the following is a physical property or a chemical property: Metals can be rolled into flat sheets
Physical
42
State whether the following is a physical property or a chemical property: Oxygen is colorless, odorless, and tasteless
Physical
43
State whether the following is a physical property or a chemical property: What candle burns in oxygen
Chemical
44
State whether the following is a physical property or a chemical property: An apple rots due to fungi
Chemical
45
State whether the following is a physical property or a chemical property: Iron reacts with sulfur to give heat and a flame
Chemical
46
State whether the following is a physical property or a chemical property: Baking soda with vinegar produces bubbles of gas
Chemical
47
State whether the following is a physical property or a chemical property: Copper is a good conductor of electricity
Physical
48
State whether the following is a physical property or a chemical property: Sugar is soluble in water
Physical
49
State whether the following is a physical property or a chemical property: Mercury is liquid at room temperature
Physical
50
State whether the following is a physical property or a chemical property: Silver is a shiny metal
Physical
51
A(n) ___ is a pure substance that is made of only one kind of atom.
Element
52
The symbol for a(n) __ is always one or two letters
Element
53
When the symbol contains two letters, the first letter is always__ and the second letter is always__.
capitalized and lowercased
54
A(n) ___ is a pure substance containing two or more elements that are __ combined.
Compound, chemically
55
A(n) __ is represented by a chemical __.
Element, symbol
56
The elements in a(n) __ always combine in __ proportions.
Compound, fixed
57
A(n) __ is made of two or more substances that are __ combined.
Mixture, physically
58
A(n) __ that is uniformly mixed is called __. A special name for this is a(n) __.
Mixture, homogenous, solution
59
A(n) __ that is not uniformly mixed is called __.
Mixture, heterogeneous
60
A special type of mixture that is a solid solution of two or more metals is called a(n) ___.
Alloy
61
To get salt out of a solution (separating salt from water) we could try __ the water so the salt is left behind.
Evaporating
62
I put dirty water into a funnel with a paper lining. Clean water comes out of the funnel into my beaker and solid dirt gets left behind on the paper. This is an example of __.
Filtration
63
Alcohol and water are best separated from one another by ___.
Distillation
64
__ is a technique used in separating a less-dense substance from a denser one.
Centrifugation
65
To separate iron filings and sulfur you should use __.
Magnet
66
In filtration, the ___ is a liquid that can pass through a filter. ___ on the other hand, is the solid mass we get on the filter paper after filtering off a suspension.
Filtrate, residue