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CHEM2.00 Analyzing Data Review

Total questions: 43

Worksheet time: 37mins

Name
Class
Date
1.

What SI unit is used to measure length?

a)

meters

b)

liters

c)

centimeters

d)

kilograms

2.
What is the base unit for measuring temperature?
a)
Fahrenheit 
b)
Celsius
c)
Kelvin
d)
degrees
3.
How many   Meters are in a kilometer 
a)
1 meter
b)
10 meters
c)
100 meters
d)
1,000 meters
4.
How many milliliters in a liter
a)
100 milliliters
b)
1,000 milil
c)
10,000 milliliters
d)
10 milliliters
5.
How many centemeters  are in meter
a)
100 centemiters
b)
10 melimeters
c)
1,000 meters
d)
10 centemi
6.
convert 30 cm to m
a)
300
b)
3
c)
0.03
d)
0.3 m
7.
convert 9 km to mm
a)
900,000
b)
9,000,000
c)
9,000
d)
90,000
8.

Convert 99.6°F to Celsius (°C=5/9 x (°F - 32))

a)

37.6°C

b)

37.5°C

c)

73.1°C

d)

375°C

9.

Convert 30°C to Fahrenheit (1.8 x °C) + 32

a)

860°F

b)

86°F

c)

63.8°F

d)

56°F

10.

If a glass of water warms to 78°C, what is it's temperature in Kelvin?

a)

-195

b)

78

c)

350

d)

351

11.

True or False: A 5.0g sample of aluminum and a 500.0g sample of aluminum will have the same density.

a)

True

b)

False

12.

What units are used to measure density? (Note: 1 cm3 = 1 mL, they are the same.)

a)

cm3/g

b)

g

c)

g/cm3

d)

cm3

13.
What is the density of water?
a)
0 g/ml
b)
1 g/ml
c)
10 g/ml
d)
100 g/ml
14.

Frank has a paper clip. It has a mass of 9.0 g and a volume of 3.0 cm3. What is its density?

a)

3.0 g/cm3

b)

3 g/cm3

c)

27 g/cm3

d)

0.33 g/cm3

15.

An empty beaker has a mass of 60.0 grams. When mercury is added to the beaker, the mass increases to 200.0 grams. What is the mass of the mercury?

a)

140.0 grams

b)

200 grams

c)

140 mL

d)

260 g

16.

Lead if it has a density of 11.3 g/cm3. How much space would 150.0g of lead occupy?

a)

13.27 g

b)

13.3 cm3

c)

.0753 g

d)

1695 cm3

17.

Which metal has the greatest density?

a)

Metal A

b)

Metal B

c)

Metal C

d)

There is no way to tell from the graph

18.
What is the density of this substance?
a)
5 grams
b)
5 ml
c)
5 g/ml
d)
 10 g/ml
19.

If this substance takes up 6 ml of space, what is its mass?

a)

6 mL

b)

6 g

c)

Impossible to tell

d)

6 g/mL

20.

If a number written in scientific notation has a positive exponent, what does this tell you about the number?

a)

It is greater than 1

b)

It is less than 1

c)

If the exponent is positive, the number must be negative

21.

When writing a very small number (less than 1) in scientific notation, what will always be true of the exponent?

a)

It will be very small

b)

It will be negative

c)

It will be very large

d)

It will be positive

22.
Which number is correctly written in scientific notation?
a)
5.67 x 105
b)
56.7 x 103
c)
0.567 x 106
23.

Write 8 x 104 in standard form.

a)

8,000

b)

80,000

c)

.00008

24.

Write 0.00003780 in scientific notation.

a)

3.780 x 10-5

b)

3.78 x 10-6

c)

0.378 x 10-4

d)

3.78 x 10-5

25.
Solve:
(2.1×10​2​​) × (3.0×10​4)
a)
5.1 x 102
b)
6.3 x 106
c)
5.1 x 106
d)
6.3 x 108
26.
Solve:
(6 x 106) / (2 x 103)
a)
12 x 103
b)
3 x 109
c)
1.2 x 104
d)
3 x 103
27.

Solve and write the answer in scientific notation.

(4.10 x 105) + (5.50 x 106) =

a)

5.91 x 106

b)

9.60 x 106

c)

4.64 x 106

d)

2.25x1012

28.

Solve and write the answer in scientific notation:

(2.00 x 10³) - (1.90 x 10²)

a)

1.0x101

b)

1.81 x 103

c)

-1.70 x 103

d)

18.1 x 102

29.

The length of a desk is 3.50 feet. Convert this to centimeters. There are 2.54 cm in an inch.

a)

60.0 cm

b)

120. cm

c)

107 cm

d)

117 cm

30.

How many years are in a 3 months?

a)

0.2 yrs

b)

0.75 yrs

c)

0.50 yrs

d)

0.25 yrs

31.

How many kilograms of calcium are there in 173 pounds of calcium? (1 pound = 454 grams; 1 kg = 1000 g)

a)

1.10 kg

b)

78.5 kg

c)

110 kg

d)

78500 kg

32.
This bullseye demonstrates...
a)
High Accuracy & High Precision
b)
High Accuracy & Low Precision
c)
Low Accuracy & High Precision
d)
Low Accuracy & Low Precision
33.

Which is the more precise measurement?

a)

They are all the same

b)

4.3 mL

c)

4.30 mL

d)

4.300 mL

34.

What is the correct volume of water in the beaker?

a)

48 mL

b)

48.2 mL

c)

48.25 mL

d)

40 mL

e)

50 mL

35.

What is the correct volume of water in the graduated cylinder?

a)

63.5 mL

b)

63 mL

c)

63.55 mL

d)

64 mL

36.

How many significant figures in 4,500?

a)

3

b)

4

c)

2

d)

1

37.

How many significant figures in 4,500.0?

a)

3

b)

4

c)

2

d)

5

38.
How many sig figs are there?
0.00400
a)
1
b)
3
c)
5
d)
6
39.

Round the following to 1 sig fig: 72156

a)

70000.

b)

7.0 x 104

c)

70000.0

d)

70000

40.

What is the measurement 1042 Liters rounded to 2 significant figures?

a)

1040 L

b)

1.1 x 103 L

c)

1.0 x 103 L

d)

1000 L

e)

1100 L

41.

Solve & round to the correct sig figs: 4.5 + 4.32 =

a)

8.8

b)

8.9

c)

8.82

d)

9.0

42.

Solve & round to the correct sig figs: 4.5 x 2.34 =

a)

11

b)

10.53

c)

10.5

d)

10

43.

A student measured the length of a pencil during a science experiment as 12.00 cm. The actual length was 14.25 cm. What was the percent error?

a)

15.79%

b)

18.75%

c)

2.25%

d)

18%

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