Chapter 12 Flashcard

Chapter 12 Flashcard

Assessment

Flashcard

Science

University

Practice Problem

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is viscosity?

Back

Viscosity is the measure of a fluid's resistance to flow. It describes how thick or sticky a liquid is.

2.

FLASHCARD QUESTION

Front

What explains the higher boiling point of H2Se compared to H2S?

Back

The higher boiling point of H2Se is explained by larger dispersion forces for H2Se.

3.

FLASHCARD QUESTION

Front

What type of intermolecular force is responsible for the dissolution of KI in water?

Back

The dissolution of KI in water is caused by ion-dipole forces.

4.

FLASHCARD QUESTION

Front

Order the following substances by decreasing vapor pressure: NaCl, CH3OH, OF2.

Back

OF2 > CH3OH > NaCl.

5.

FLASHCARD QUESTION

Front

What causes capillary action?

Back

Capillary action occurs because adhesive forces are greater than cohesive forces.

6.

FLASHCARD QUESTION

Front

Define capillary action.

Back

Capillary action is the ability of a liquid to flow in narrow spaces without the assistance of external forces, often due to adhesive and cohesive forces.

7.

FLASHCARD QUESTION

Front

What are dipole-dipole forces?

Back

Dipole-dipole forces are intermolecular forces that occur between polar molecules, where the positive end of one molecule is attracted to the negative end of another.

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