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Inorganic Chemistry (Lab) > Measurements > Flashcards

Measurements Flashcards

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1
Q

What measurement system are length, gallons, and pounds under?

A

English System

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2
Q

What measurement system are meters, liters, and grams under?

A

Metric System

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3
Q

Feet measures?

A

Length

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4
Q

Gallons measure?

A

Volume

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5
Q

Pounds measure?

A

Weight

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6
Q

Meters measure?

A

Length

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7
Q

Liters measure?

A

Volume

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8
Q

Grams measure?

A

Mass

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9
Q

Every type of measurement has a ____ ____.

A

Base unit

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10
Q

Other units have a base power of?

A

10

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11
Q

The prefix of the unit name indicates if the unit is ______.

A

Larger

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12
Q

What is the meaning, numerical value, and scientific notation of mega (M)?

A

Million - 1,000,000 - 10⁶

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13
Q

What is the meaning, numerical value, and scientific notation of kilo (k)?

A

Thousand - 1,000 - 10³

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14
Q

What is the meaning, numerical value, and scientific notation of deci (d)?

A

Tenth - 0.1 - 10^-1

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15
Q

What is the meaning, numerical value, and scientific notation of centi (c)?

A

Hundredth - 0.01 - 10^-2

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16
Q

What is the meaning, numerical value, and scientific notation of milli (m)?

A

Thousandth - 0.001 - 10^-3

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17
Q

What is the meaning, numerical value, and scientific notation of micro (h)?

A

Millionth - 0.000 001 - 10^-6

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18
Q

What is the meaning, numerical value, and scientific notation of nano (n)?

A

Billionth - 0.000 000 001 - 10^-9

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19
Q

____ is a measure of the amount of matter in an object.

A

Mass

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20
Q

______ is the force that matter feels due to gravity.

A

Weight

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21
Q

1 kilogram (k) = * grams (g)

A

1,000 g

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22
Q

1 miligram (mg) = * grams (g)

A

0.001 g

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23
Q

1 kiloliter (kL) = * liters (L)

A

1,000 L

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24
Q

1 milliliter (mL) = * liter (L)

A

0.001 L

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25
Q

What is the formula of volume?

A

Volume = length × width × height

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26
Q

Length (l) = 11 cm
Width (w) = 5 cm
Height (h) = 10 cm

What is the volume?

A

550 cm³

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27
Q

1 mL = * cm³ = 1 *

A

1 cm³ (cubic centimeter) = 1 cc (cubic centimeter)

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28
Q

An _____ ______ results from counting objects or is part of a definition.

A

Exact number

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29
Q

An _______ ______ results from a measurement or observation and contains some uncertainty.

A

Inexact number

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30
Q

These are all the digits in a measured
number including one estimated digit.

A

Significant figures

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31
Q

All _______ digits are always significant.

A

Nonzero

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32
Q

A zero is a significant number when It’s between two _______ digits.

A

Nonzero

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33
Q

A zero is a significant number when it’s at the ___ of a number with a decimal place.

A

End

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34
Q

A zero is not a significant figure when it occurs at the ________ of a number.

A

Beginning

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35
Q

A zero is not a significant figure when it occurs at the end of a number that does not have a _______.

A

Decimal

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36
Q

How many significant figures does 41.06 have?

A

4 sig. figures

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37
Q

How many significant figures does 2.6700 have?

A

5 sig. figures

38
Q

How many significant figures does 0.078 have?

A

2 sig. figures

39
Q

How many significant figures does 390. have?

A

3 sig. figures

40
Q

How many significant figures does 2400 have?

A

2 sig. figures

41
Q

Rules for Multiplication & Division: The answer has the same number of significant figures as the original number with the ______ significant.

A

Fewest

42
Q

Round off 63.854545.

A

64

43
Q

Rules for Addition & Subtraction: The answer has the same number of decimal placed as the original number with the ______ decimal places.

A

Fewest

44
Q

The given are: 9.08 and 5.1

How many significant figures should the answer have?

A

9.08 = 3 sig. figures
5.1 = 2 sig. figures

= 2 sig. figures

45
Q

In scientific notation, a number is written as: y × 10^x

y is the “ “, while ^x is the “ “.

A

y = coefficient
^x = exponent

46
Q

A coefficient is a number between _ and _.

A

1 and 10

47
Q

To convert a standard number to a scientific notation, move the decimal point to give a number _______ 1 and 10.

A

Between

48
Q

To convert a standard number to a scientific notation, move the decimal point to give a number between _ and __.

A

1 and 10

49
Q

To convert a standard number to a scientific notation, move the decimal point to give a number
between 1 and __.

A
50
Q

Standard Number to Scientific Notation: x is the number of places the _______ was moved.

A

Decimal

51
Q

Standard Number to Scientific Notation: When the decimal is moved to the left, the exponent (x) is ________.

A

Positive

52
Q

Standard Number to Scientific Notation: When the decimal is moved to the right, the exponent (x) is ________.

A

Negative

53
Q

Standard Number to Scientific Notation: 2500, x = *?

A

2.5, x = 3

54
Q

Standard Number to Scientific Notation: 0.068, x = *?

A

6.8, x = -2

55
Q

Scientific Notation to a Standard Number: When the exponent (x) is positive, move the decimal point x places to the _____.

A

Right

56
Q

Scientific Notation to a Standard Number: When the exponent (x) is ________, move the decimal point x places to the right.

A

Positive

57
Q

Scientific Notation to a Standard Number: When the exponent (x) is negative, move the decimal point x places to the ____.

A

Left

58
Q

Scientific Notation to a Standard Number: When the exponent (x) is ________, move the decimal point x places to the left.

A

Negative

59
Q

Scientific Notation to a Standard Number: 1.700 × 10², x = *?

A

x = 170.0

60
Q

Scientific Notation to a Standard Number: 1.70 × 10^-2, x = *?

A

0.0170

61
Q

Original Quantity × Conversion Factor = ?

A

Desired Quantity

62
Q

Original Quantity × ? = Desired Quantity

A

Conversion Factor

63
Q

Conversion factors are usually written as __________.

A

Equalities

64
Q

A term that converts a quantity in one unit to a quantity in another unit.

A

Conversion Factor

65
Q

Using conversion factors to convert a quantity in one unit to a quantity in
another unit.

A

Factor-label Method

66
Q

Make sure all unwanted units ______.

A

Cancel

67
Q

Always arrange the factors so that the denominator in one term cancels the _________ in the preceding term.

A

Numerator

68
Q

2 pints = * quart

A

1 quart

69
Q

1.06 quarts = * liter

A

1 liter

70
Q

Write the answer with the correct number of
___________ _______.

A

Significant Figures

71
Q

It is a measure of how hot or cold an object is.

A

Temperature

72
Q

What is the formula to convert from C to
F?

A

F = 1.8(C) + 32

73
Q

What is the formula to convert from C to
K?

A

K = C + 273

74
Q

What is the formula to convert from F to
C?

A

C = (F − 32) / 1.8

75
Q

What is the formula to convert from K to C?

A

C = K − 273

76
Q

To convert from K to F, you must first convert from _ to _.

A

K to C

77
Q

To convert from F to K, you must first convert from _ to _.

A

F to C

78
Q

What is the boiling point of water in C, F, and K?

A

C = 100
F = 212
K = 373

79
Q

What is the normal body temperature in C, F, and K?

A

C = 37
F = 98.6
K = 310

80
Q

What is the freezing point of water in C, F, and K?

A

C = 0
F = 32
K = 273

81
Q

What is the absolute zero in C, F, and K?

A

C = -273
F = -460
K = 0

82
Q

A physical property that relates the mass of
a substance to its volume.

A

Density

83
Q

What is the formula to convert volume (mL) to mass (g)?

A

mL × g/mL = g

84
Q

What is the formula to convert mass (g) to volume (mL)?

A

g × mL/g = mL

85
Q

g × mL/g = mL is the formula for the _______ of density.

A

Inverse

86
Q

What is the unit of density for liquids?

A

g/mL

87
Q

A quantity that compares the density of a substance with the density of water at the same temperature.

A

Specific Gravity

88
Q

Specific gravity is a quantity that compares the density of a substance with the density of _____ at the same ___________.

A

Water, Temperature

89
Q

The specific gravity of a substance is equal to its _______, but contains no units.

A

Density

90
Q

The specific gravity of a substance is equal to its density, but contains no _____.

A

Units

Inorganic Chemistry (Lab) (4 decks)

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