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General Chemistry I > Matter Measurement And Problem Solving Part 1 V2 > Flashcards

Matter Measurement And Problem Solving Part 1 V2 Flashcards

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1
Q

What is the SI Unit of Length

A

meter (m)

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2
Q

What is the SI Unit of Mass

A

kilogram (kg)

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3
Q

What is the SI Unit of Time

A

seconds (S)

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4
Q

What is the SI Unit of Volume

A

cubic meter (m^3)

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5
Q

What is the metric unit for volume?

A

liter (L)

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6
Q

How do you convert from Celsius to Fahreneheit? (C —> F)

A

(C x 1.8)+32 = F

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7
Q

How do you convert from Fahrenheit to Celsius? (F ——>C)

A

F-32 / 1.8 = C

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8
Q

How do you convert from Celsius to Kelvin? (C —–> K)

A

273.15 + C = K

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9
Q

How do you convert from Kelvin to Celsius? (K —–> C)

A

C = K-273

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10
Q

What are the symbols and prefix for micro?

A

mc or fancy u

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11
Q

What prefix is mc or fancy u?

A

micro

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12
Q

mega-

A

10^6

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13
Q

10^6

A

mega-

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14
Q

kilo-

A

10^3

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15
Q

10^3

A

kilo-

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16
Q

deci-

A

10^-1

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17
Q

10^-1

A

deci-

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18
Q

centi-

A

10^-2

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19
Q

10^-2

A

centi-

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20
Q

milli-

A

10^-3

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21
Q

10^-3

A

milli-

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22
Q

micro-

A

10^-6

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23
Q

10^-6

A

micro-

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24
Q

nano-

A

10^-9

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25
Q

10^-9

A

nano-

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26
Q

pico-

A

10^-12

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27
Q

1 mL = ____ cm^3

A

1 ml = 1 cm^3

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28
Q

1 cm^3 = ____ mL

A

1 cm^3 = 1 mL

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29
Q

Define Density

A

Ratio of mass to volume (mass per unit volume)

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30
Q

per means _______

A

divide

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31
Q

When calculating density there are two right ways to place units, these are

A

Solids= g / cm^3 & Liquids= g/mL

32
Q

What is the correct unit format for calculating the density of a solid?

A

Density of Solids = g/cm^3

33
Q

What is the correct unit format for calculating the density of a liquid?

A

Density of Liquid = g/mL

34
Q

Volume of a solid can be determined by _____________ (_______________ principle)

A

Water displacement, Archimedes Principle

35
Q

Which state of matter is the most dense?

A

Solids

36
Q

Which state of matter is the least dense?

A

Gases

37
Q

Ice is (a. more b. less) dense than liquid water?

A

less

38
Q

All non zero numbers ______ sig figs. Ex. 5.26 mL
a. are
b. aren’t

A

a. are
All non zero numbers ARE significant

39
Q

Zeros at the beginning of decimal non zero numbers are _____ sig figs.
Ex. 0.0002 m | 0.003 g
a. are
b. aren’t

A

b. aren’t
Zeros at the beginning of decimal non zero numbers are NOT significant

40
Q

Zeros between non zero numbers _______ sig figs.
Ex. 20.008
a. are
b. aren’t

A

a. are
Zeros between non zero numbers ARE significant

41
Q

IMPORTANT! What is the density of water?

A

1.00

42
Q

Zeros at the end of decimal number ______ sig figs. Ex. 30. L | 20.0 m | 1.26000 S
a. are
b. aren’t

A

a. are
Zeros at the end of decimal number ARE significant

43
Q

What degree CELSIUS does water boil at?

A

Water boils at 100* C

44
Q

Homogenous Mixture =

A

Uniform Composition

45
Q

Heterogeneous mixture=

A

non uniform composition

46
Q

Examples of physical changes

A

*Boiling *Dissolving *Melting/Freezing *Subliming

47
Q

Examples of chemical changes

A

*Rusting *Burning * Dyes fading or changing colors

48
Q

1kg = how many pounds?

A

2.2046 lbs

49
Q

1lb = how many grams

A

453.59 grams

50
Q

1 kg = how many grams

A

1000 grams

51
Q

1 g = how many milligrams

A

1000 mg

52
Q

1 g = how many kilograms?

A

0.001 kg

53
Q

1mg = how many grams

A

0.001 g

54
Q

1L = how many deciliters cubed?

A

1 deciliter cubed

55
Q

1L = how many mL

A

1000 milliliters

56
Q

1mL = how many Liters?

A

0.001 L

57
Q

1mL = how many centimeters cubed

A

1 cm ^3

58
Q

1 kilometer = how many miles

A

0.6214 mi

59
Q

1 meter = how many inches

A

39.37 in

60
Q

1 meter = how many yards?

A

1.094 yds

61
Q

1 ft = how many centimeters?

A

30.48 cm

62
Q

1 in = how many centimeters?

A

2.54 cm

63
Q

1 kilogram = how many pounds?

A

2.205 lbs

64
Q

1 lb = how many grams?

A

453.59 g

65
Q

1 oz = how many grams?

A

28.35 g

66
Q

1 liter = how many milliliters?

A

1000 mL

67
Q

1 liter = how many cubic centimeters?

A

1000 cm^3

68
Q

1 liter = how many quarts?

A

1.057 qt

69
Q

1 US Gallon = how many liters?

A

3.785 L

70
Q

Formula for calculating density is

A

Mass/Volume

71
Q

Formula for calculating volume is

A

Mass/Density

72
Q

Formula for calculating mass is

A

Density * Volume

73
Q

When multiplying and dividing you round to the least number of ?

A

Significant Figures

74
Q

When adding and subtracting you round to the least number of ?

A

Decimal Places

75
Q

1 yd = how many centimeters?

A

91.44 cm

76
Q
A
77
Q
A

General Chemistry I (6 decks)

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