Expressing Units

A number indicates “how much,” but the unit indicates “of what.”

volume_mute

True

False

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POINTS (1)

Correct Answer

Explanation

Chemistry unlike from other science branches, it does not use the International System of Units

volume_mute

True

False

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POINTS (1)

Correct Answer

Explanation

The International System of Units (SI) uses pounds as a unit of mass

volume_mute

True

False

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POINTS (1)

Correct Answer

Explanation

To express a quantity, you need to combine a number with a unit

volume_mute

True

False

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POINTS (1)

Correct Answer

Explanation

It makes sense to express the width of a human in meters

volume_mute

True

False

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POINTS (1)

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Explanation

A prefix used with a unit that refers to a multiple or fraction of a fundamental unit to make a more conveniently sized unit for a specific quantity

volume_mute

True

False

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POINTS (1)

Correct Answer

Explanation

A _______ unit is a unit that is a product or a quotient of a fundamental unit

Missing

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POINTS (1)

Correct Answer

Explanation

Volume has a unit of \(m^3\)

volume_mute

True

False

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POINTS (1)

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Explanation

A liter is one-tenth of a meter cubed

volume_mute

True

False

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POINTS (1)

Correct Answer

Explanation

Human hair measurement unit

volume_mute

A human hair has a diameter of about 6.0 x 10^-5. Suggest an appropriate unit for this measurement and write the diameter of a human hair in terms of that unit.

milli

micro

nano

pico

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POINTS (1)

Correct Answer

Explanation

What is the velocity of a car if it goes 25 m in 5.0 s?

volume_mute

5.0 km/h

5.0 m/h

5.0 m/s

5.0 km/s

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POINTS (1)

Correct Answer

Explanation

Express the volume of an olympic-sized swimming pool, 2,500,000 L, in more appropriate units.

volume_mute

2.5 ML

250 mL

2.5 kL

25000 GL

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POINTS (1)

Correct Answer

Explanation

A common garden snail movies about 6.1 m in 30 min. What is its velocity in meters per minute (m/min)?

velocity = m/min

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POINTS (1)

A number indicates “how much,” but the unit indicates “of what.”

Correct Answer

Explanation

Chemistry unlike from other science branches, it does not use the International System of Units

Correct Answer

Explanation

The International System of Units (SI) uses pounds as a unit of mass

Correct Answer

Explanation

To express a quantity, you need to combine a number with a unit

Correct Answer

Explanation

It makes sense to express the width of a human in meters

Correct Answer

Explanation

A prefix used with a unit that refers to a multiple or fraction of a fundamental unit to make a more conveniently sized unit for a specific quantity

Correct Answer

Explanation

A _______ unit is a unit that is a product or a quotient of a fundamental unit

Correct Answer

Explanation

Volume has a unit of \(m^3\)

Correct Answer

Explanation

A liter is one-tenth of a meter cubed

Correct Answer

Explanation

Human hair measurement unit

Correct Answer

Explanation

What is the velocity of a car if it goes 25 m in 5.0 s?

Correct Answer

Explanation

Express the volume of an olympic-sized swimming pool, 2,500,000 L, in more appropriate units.

Correct Answer

Explanation

A common garden snail movies about 6.1 m in 30 min. What is its velocity in meters per minute (m/min)?

Correct Answer

Explanation

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