English for chemists

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 of the liquid solvent medium influence the speed of 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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Lesson 27
ГРАММАТИКА: Инфинитив и инфинитивный оборот в функции опре­ деления. Придаточное предложение в функции опре­ деления.