Section III Ex. 1. Make up short dialogues according to the example.
Example: — What’s the matter? (What’s the trouble?)
— It is cold in this classroom.
— It can’t be helped. You’d better go to room 312.
Ex. 2. Respond to the following statements:
1. The molccular motion in a liquid is not easy to describe.
2. Molcculcs in a liquid arc arranged in a rather orderly manner. 3. The
properties o f the liquid solvent medium influence the speed o f reactions
occurring in this medium.
Ex. 3. Give detailed answers to the questions.
1. In what way arc liquids and gases alike? 2. In what way do liquids
resemble solids? 3. Why are the physical properties of solutions important?
4. What forces act between the molcculcs in a liquid?
Ex. 4. Discuss the following topics:
1. The Liquid State as an Intermediate State Between Solids and Gases.
2. Molccular Motion of Liquids.
3. Properties of Liquids.
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