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Chemistry > Chem 100 Exam > Flashcards

Chem 100 Exam Flashcards

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0
Q

Metric Prefix: tera

A

Symbol: T
Factor: 10^12

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1
Q

Metric Prefix: peta

A

Symbol:P
Factor: 10^15

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2
Q

Metric Prefix: giga

A

Sym: G
Factor: 10^9

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3
Q

Metric Prefix: mega

A

Sym: M
Factor: 10^6

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4
Q

Metric Prefix: Kilo

A

Sym: K
Factor: 10^3

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5
Q

Metric Prefix: hecto

A

Sym: h
Factor: 10^2

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6
Q

Metric Prefix: deka

A

Sym: da
Factor: 10^1

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7
Q

Metric Prefix: deci

A

Sym: d
Factor: 10^-1

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8
Q

Metric Prefix: centi

A

Sym: c
Factor: 10^-2

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9
Q

Metric Prefix: milli

A

Sym: m
Factor: 10^-3

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10
Q

Metric Prefix: micro

A

Sym: µ
Factor: 10^-6

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11
Q

Metric Prefix: nano

A

Sym: n
Factor: 10^-9

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12
Q

Metric Prefix: pico

A

Sym: P
Factor: 10^-12

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13
Q

Metric Prefix: femtocell

A

Sym: f
Factor: 10^-15

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14
Q

Length: meter (m)

1 kilometer equals…

A

1000 meters

0.62137 miles

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15
Q

Length: meter (m)

1 meter equals…

A

100 centimeters

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16
Q

Length: meter (m)

1 centimeter equals…

A

0.01 meters

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17
Q

Length: meter (m)

1 nanometer equals…

A

1.00 x 10^-9 meters

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18
Q

Length: meter (m)

1 picometer equals…

A

1.00 x 10^-12

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19
Q

Length: meter (m)

1 inch equals…

A

2.54 centimeters

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20
Q

Length: meter (m)

1 Angstrom equals…

A

1.00 x 10^-10 meters

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21
Q 
Volume: Cubic meter (m^3)
1 liter (L) equals
A

1000 mL= 1 dm^3

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22
Q

Volume: Cubic meter (m^3)

1 gallon equals…

A

4.00 quarts

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23
Q

Mass: kilogram (kg)

1 kilogram equals…

A

1000 grams

24
Q

Mass: kilogram (kg)

1 gram equals…

A

1000 milligrams

25
Q

Mass: kilogram (kg)

1 milligram equals…

A

0.001 grams

26
Q

Mass: kilogram (kg)

1 millimeter equals…

A

0.001 m

27
Q

Intensive Properties

A

Properties that will not change, gives info regarding identity

Ex. Density, water

28
Q

Extensive Properties

A

Properties that cannot be identified of what matter is. Changes when amount changes.

Ex. Mass and volume

29
Q

Pure Substance

A

Substance whose composition remains the same throughout, whose components cannot be separated physically

Ex.sugar, salt, water

30
Q

Compound

A

Composed of more than one element; can be broken down into smaller unit chemically and chemical reactions

31
Q

Mixtures

A

2 or more pure substances whose composition varies; can be separated physically

Ex.raisin bran

32
Q

Homogenous mixture

A

is a mixture where the components that make up the mixture are uniformly distributed throughout the mixture.

Ex.water and sugar

33
Q

Heterogenous mixture

A

A heterogeneous mixture is a mixture where the components of the mixture are not uniform or have localized regions with different properties.

Ex.water and oil, soup, pizza

34
Q

Specific heat capacity

A

Amount of heat needed to raise temperature of 1 g of a substance by 1 degree

35
Q

Endothermic

A

Heat coming in

36
Q

Exothermic

A

Heat coming out

37
Q

Calculation for specific heat

A

q=m x c x

38
Q

State of matter: solid

A
  • Definite volume
  • definite shape
  • closed space
  • vibrate motion
39
Q

State of matter: liquid

A
  • definite volume
  • indefinite shape
  • close
  • relatively free
40
Q

State of matter: gas

A
  • indefinite volume
  • indefinite shape
  • far spacing
  • compressible
41
Q

Fixed/definite property

A

Property that doesn’t change when placed in a container

42
Q

Indefinite property

A

Takes the property of the container

43
Q

2 kinds of solids:

A

Crystalline solids=arranges in orderly pattern
Ex. Salt, diamonds

Amorphous solids=do not show regular geometric pattern

Ex.plastic, glass, rubber

44
Q

Physical properties

A

Can be determined without changing chemical make up of the sample

Ex.melting point, Oder, color, shape

45
Q

Chemical properties

A

Do change chemical makeup of samples

Ex. Acidity, explosiveness, burn, rust, combustion

46
Q

Law conservation of energy

A

Energy cannot be created nor destroyed

Units of energy: Joules, Calories, Nutritional Calorie, kilowatt-hour

47
Q

Separation of mixtures

A

Separate mixtures based on different physical properties of the components.

Ex. Physical change

48
Q

Technique of separating mixtures: Distillation

A

Separating a mixture of two liquids

49
Q

Technique of separating mixtures: Filtration

A

Separating a solid from a liquid

50
Q

Phase changes are physical changes: boiling

A

Liquid to gas

51
Q

Phase changes are physical changes: melting

A

Solid to liquid

52
Q

Phase changes are physical changes: subliminal

A

Solid to gas

53
Q

Phase changes are physical changes: freezing

A

Liquid to solid

54
Q

Phase changes are physical changes: condensing

A

Gas to liquid

55
Q

Phase changes are physical changes:disposition

A

Gas to solid

56
Q

1 pounds equals…

A

454 grams

57
Q

Specific heat for water

A

1.484 j/g*c

58
Q

Density for water

A

1 g/mL

Chemistry (2 decks)

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