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Chemistry (10th) > Measurement and Dimensional Analysis Quiz > Flashcards

Measurement and Dimensional Analysis Quiz Flashcards

1
Q

how many sig. figs. are in the number 0.02?

A

1

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2
Q

how many sig. figs. are in the number 0.020?

A

2

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3
Q

How many feet are equal to 54.7 inches?

A

4.56 ft

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4
Q

How many grams (g), liters (L), and meters (m) are in Megagrams (Mg), Megaliters (ML), and Megameters (Mm)?

A

1Mg = 1,000,000g
1ML = 1,000,000L
1Mm = 1,000,000m

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5
Q

What is the symbol and meaning for the prefix Deci?

A

Symbol: d
Meaning: tenth (0.1)

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6
Q

What is the symbol and meaning for the prefix Milli?

A

Symbol: m
Meaning: thousandth

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7
Q

how many sig. figs. are in the number 20,020?

A

4

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8
Q

how many sig. figs. are in the number 20,000?

A

1

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9
Q

how many sig. figs. are in the number 2.0x10^-3?

A

2

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10
Q

how many sig. figs. are in the number 2,002?

A

4

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11
Q

What is the rule for Addition and Subtraction when solving an equation with sig. figs.?

A

the answer is rounded to the same # of decimal places as the # with the least decimal places in the equation.

Ex #1: 7.12 - 1.345 = 5.775 = 5.78
(7.12 has the least number of decimal places in the equation so we would round our answer 5.775 to have the same amt of decimal places. This would make the answer 5.78, which is also rounded to the nearest hundredth, DONT FORGET TO ROUND)
Ex #2: 5.7 + 2.11 = 7.81 = 7.8

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12
Q

What is Dimensional Analysis?

A

A method used to convert units

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13
Q

Answer the equation with the correct amt of sig. figs.
4.55 + 3.45 = ?

A

8.00

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14
Q

What is the symbol and meaning for the prefix Kilo?

A

Symbol: K
Meaning: thousand

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15
Q

How many ounces are in a pound?

A

16 ounces

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16
Q

What is the rule for Multiplication and Division when solving an equation with sig. figs.?

A

the answer is rounded to the same # of sig. figs. as the # used in the calculation with the least sig. figs.

Ex #1: 17.85/2.13 = 8.38028 = 8.38
(You divide the 2 #’s and get that long number but since 2.13 is the # with the least sig. figs. you round your answer to get the same amt of sig. figs., which is 3, this will lead you to get the answer 8.38)
Ex #2: 0.0561 x 0.030 = 0.001683 = 0.0017 (rounded)

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17
Q

How many Kg is equal to 45,000 mg?

A

0.045 kg

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18
Q

How many mins are in an hour?

A

60 mins.

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19
Q

How many hours are in a day?

20
Q

Answer the equation with the correct amt of sig. figs.
3.42 + 8.132 = ?

21
Q

What is the symbol and meaning for the prefix micro?

A

Symbol: μ
Meaning: millionth (10 ^-6)

22
Q

How much feet are in a mile?

23
Q

How many Centigrams (cg), Centiliters (cL), and Centimeters (cm) are in grams (g), liters (L), and meters (m)?

A

100cg= 1g
100cL = 1L
100cm= 1m

24
Q

how many inches are in a foot?

25
Q

How many cm are equal to 1.45m?

26
Q

How many grams (g), liters (L), and meters (m) are in Kilograms (kg), Kiloliters (kL), and Kilometers (km)?

A

1kg = 1,000g
1kL = 1,000L
1km = 1,000m

27
Q

Answer the equation with the correct amt of sig. figs.
1.966 + 3.4422 = ?

28
Q

What is the symbol and meaning for the prefix Mega?

A

Symbol: M
Meaning: Milllion

29
Q

How many centimeters are in a meter?

A

100 centimeters

30
Q

Answer the equation with the correct amt of sig. figs.
133 - 20 = ?

31
Q

What are the base units?

A

mass: in grams (g)
volume: in liters (L)
length: in meters (m)

32
Q

How many centimeters are in an inch?

A

2.54 centimeters

33
Q

Answer the equation with the correct amt of sig. figs.
17.8 + 12.115 = ?

34
Q

What is the symbol and meaning for the prefix Centi?

A

Symbol: c
Meaning: hundredth (0.01)

35
Q

How many Decigrams (dg), Deciliters (dL), and Decimeters (dm) are in grams (g), liters (L), and meters (m)?

A

10dg = 1g
10dL = 1L
10dm = 1m

36
Q

Answer the equation with the correct amt of sig. figs.
1.2 x 1.3 = ?

37
Q

How many kg are equal to 325g?

38
Q

How many cg are equal to 0.459kg?

39
Q

How many Micrograms (μg), Microliters (μL), and Micrometers (μm) are in grams (g), liters (L), and meters (m)?

A

10^-6μg = 1g
10^-6μL = 1L
10^-6μm = 1m

40
Q

The Empire State building is approximately 381 meters high. How many miles high is the Empire State building?

A

0.237 miles

41
Q

Answer the equation with the correct amt of sig. figs.
4.3324 x 1.2 = ?

42
Q

How many Milligrams (mg), Milliliters (mL), and Millimeters (mm) are in grams (g), liters (L), and meters (m)?

A

1000mg = 1g
1000mL = 1L
1000mm = 1m

43
Q

How many seconds are in a 1.50 weeks?

A

907 seconds

44
Q

How many sig. figs. are there in an exact number?

A

It has an infinite number of sig. figs.

Chemistry (10th) (10 decks)

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