Vapor Pressure HW FCHS

Vapor Pressure HW FCHS

Assessment

Flashcard

Chemistry

10th - 12th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What happens to liquids with weak intermolecular forces?

Back

They easily evaporate.

2.

FLASHCARD QUESTION

Front

How does the strength of intermolecular forces affect the boiling point of a substance?

Back

The weaker the intermolecular forces, the lower the boiling point.

3.

FLASHCARD QUESTION

Front

Which model represents a LOWER Vapor Pressure?

Back

Model A represents a lower vapor pressure.

4.

FLASHCARD QUESTION

Front

What happens to air pressure when you increase your altitude?

Back

Air pressure decreases.

5.

FLASHCARD QUESTION

Front

Why does a gas with a lower vapor pressure have a higher boiling point?

Back

The molecules need more energy to break free of their attractions to other molecules and change phase from liquid to gas.

6.

FLASHCARD QUESTION

Front

Define vapor pressure.

Back

Vapor pressure is the pressure exerted by a vapor in equilibrium with its liquid or solid phase.

7.

FLASHCARD QUESTION

Front

What is the relationship between vapor pressure and volatility?

Back

A substance with high vapor pressure is considered volatile, meaning it evaporates easily.

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