1. Intro to General Chemistry

Metric Prefixes

1. Intro to General Chemistry

# Metric Prefixes - Video Tutorials & Practice Problems

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**Metric Prefixes** are “labels” that can be placed in front of base units.

Metric Prefix Multipliers

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concept

## Metric Prefixes

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## Metric Prefixes

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example

## Metric Prefixes Example 1

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Problem

ProblemWhich quantity in the following pair is smaller?

A

155 pm

B

7.8 x 10

^{–9}cm5

Problem

ProblemUse the prefix multipliers to express each measurement without any exponents.

a) 32 x 10-13 L

b) 7.3 x 106 g

c) 18.5 x 1011 s

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6

Problem

ProblemUse scientific notation to express each quantity with only the base unit.

a) 83 µm

b) 193 kg

c) 2.7 mmol

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7

Problem

ProblemIf a room has a volume of 1.15 x 10^{8} cm^{3}, what is the volume in km^{3}?

A

1150 km

^{3}B

115 km

^{3}C

1.15 x 10

^{-7}km^{3}D

1.15 x 10

^{5}km^{3}## Do you want more practice?

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PRACTICE PROBLEMS AND ACTIVITIES (52)

- Convert 0.055 milliseconds to seconds, and write the answer in scientific notation. (LO 1.3) (a) 5.5 * 10-3 s ...
- Which quantity represents the largest mass? (LO 1.4) (a) 2.5 * 107 mg (b) 2.5 * 102 mg (c) 2.5 * 108 ng (d)2....
- A mammalian HELA cell has a diameter of 2 * 10-5 m. Report the diameter of the cell using the most appropriate...
- A mammalian HELA cell has a diameter of 2 * 10-5 m. Report the diameter of the cell using the most appropriate...
- A mammalian HELA cell has a diameter of 2 * 10-5 m. Report the diameter of the cell using the most appropriate...
- Aerogels are transparent, low-density materials that are nearly 99.8% empty space and excellent insulators aga...
- The radius of an atom of copper (Cu) is about 140 pm. (a) Express this distance in angstroms 1A 2.
- Convert the following expressions into exponential notation: (d) 8.3 megagrams (mg).
- Convert the following expressions into exponential notation: (a) 3 terameters (tm)
- Use appropriate metric prefixes to write the following measurements without use of exponents: (c) 1.828 * 10-3...
- Use appropriate metric prefixes to write the following measurements without use of exponents: (g) 3.552 * 101...
- Use appropriate metric prefixes to write the following measurements without use of exponents: (d) 3.523 * 109...
- If on a certain year, an estimated amount of 4 million metric tons (1 metric ton = 1000 kg) of nitrous oxide 1...
- Complete the following equivalent expressions by filling in the blanks. (a) 1 km = ____ m (b) 1m = _____ km (c...
- Bottles of wine sometimes carry the notation 'Volume = 75 cL. What does the unit cL mean?
- Which quantity in each of the following pairs is larger? (a) 5.63 * 106 cm or 6.02 * 101 km
- Which quantity in each of the following pairs is smaller? (c) 2.9 GA or 3.1 * 1015 mA
- How many microliters are in 1 L? In 20 mL?
- Carry out the following conversions. (c) 65.2 mg = _____ = g = _____ pg
- Carry out the following conversions. (b) 8.5 cm^3 = _____ m^3 = _____ mm^3
- Carry out the following conversions. (a) 5 pm = _____ cm = _____ nm
- A virus has a diameter of 5.2 * 10-8 m. What is the most appropriate prefix for reporting the diameter of the ...
- Using your knowledge of metric units, English units, and the information on the back inside cover, write down...
- Using your knowledge of metric units, English units, and the information on the back inside cover, write down...
- Use the prefix multipliers to express each measurement without exponents. a. 1.2 * 10 - 9 m b. 22 * 10 - 15 s ...
- Use the prefix multipliers to express each measurement without exponents. a. 1.2 * 10 - 9 m b. 22 * 10 - 15 s ...
- Use the prefix multipliers to express each measurement without exponents. a. 1.2 * 10 - 9 m b. 22 * 10 - 15 s ...
- Use prefix multipliers to express each measurement without exponents. a. 38.8 * 105 g b. 55.2 * 10 - 10 s c. 2...
- Use prefix multipliers to express each measurement without exponents. a. 38.8 * 105 g b. 55.2 * 10 - 10 s c. 2...
- Use scientific notation to express each quantity with only base units (no prefix multipliers). a. 4.5 ns b. 18...
- Use scientific notation to express each quantity with only base units (no prefix multipliers). a. 4.5 ns b. 18...
- Use scientific notation to express each quantity with only base units (no prefix multipliers). a. 35 mL b. 225...
- Complete the table. a. 1245 kg 1.245 * 106 g 1.245 * 109 mg b. 515 km _____dm _____cm c. 122.355 s _____ms ___...
- Complete the table. a. 1245 kg 1.245 * 106 g 1.245 * 109 mg b. 515 km _____dm _____cm c. 122.355 s _____ms ___...
- Complete the table. a. 1245 kg 1.245 * 106 g 1.245 * 109 mg b. 515 km _____dm _____cm c. 122.355 s _____ms ...
- Complete the table. a. 1245 kg 1.245 * 106 g 1.245 * 109 mg b. 515 km _____dm _____cm c. 122.355 s _____ms ___...
- Complete the table. a. 355 km>s _____cm>s _____m>ms b. 1228 g>l _____g>ml _____kg>ml c. 554 ...
- Express the quantity 254,998 m in each unit. a. km b. Mm c. mm d. cm
- Express the quantity 556.2 * 10 - 12 s in each unit. a. ms b. ns c. ps d. fs
- A house has an area of 195 m2. What is its area in each unit? a. km2 b. dm2 c. cm2
- A house has an area of 195 m2. What is its area in each unit? a. km2 b. dm2 c. cm2
- A house has an area of 195 m2. What is its area in each unit? a. km2 b. dm2 c. cm2
- A bedroom has a volume of 115 m3. What is its volume in each unit? a. km3 b. dm3 c. cm3
- Concentrations of substances dissolved in solution are often expressed as mass per unit volume. For example, n...
- Complete each row of the table below by filling in the missing prefix or missing exponent.
- The metric equivalent of 0.001 gram is __________.
- The distance between the atoms of H−I is 1.61Å. What is the distance in meters?
- Thallium (Tl) atom has a radius of 156 pm. Convert this radius to angstrom (Å).
- An unknown substance has a density of 10.2 g/cm3, what is its density in kg/m3?
- The distance between the atoms of H−Cl is 1.27Å. What is the distance in meters?