CHEM20ASG3-7-KEY - NAME_KEY CHEMISTRY 20 ASSIGNMENT 3-7...

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NAME ___________ KEY _____________ CHEMISTRY 20 ASSIGNMENT 3-7 TOPIC(S) COVERED: Text (Chapter 3) TOTAL MARKS: 18 marks DIRECTIONS: Read each question carefully and choose the best answer. MULTIPLE CHOICE (14 marks) Use the following information to answer questions 1–3: I A gas’s particles are in constant random motion. II The particles of a gas do not interact except for elastic collisions. III The particles of a gas do interact when the gas nears its condensation point. IV The gas particles are point masses. 1. Which statements apply to an ideal gas? a) I and IV b) II, III, and IV c) I, II, and IV d) I, III, and IV 2. The statement that best explains the fact that gases are highly compressible is a) I b) II c) III d) IV 3. When a mixture of gases is in a container, the gases mix completely and there is uniform composition throughout the mixture. Which statements best explain this property of gases? a) I and IV b) I and II c) III and IV d) II and IV 1
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4. The measurement equivalent to one atmosphere of pressure is a) 95 kPa b) bar c) 760 mmHg d) 100 Pa 5. Gas pressure is caused by particles colliding with the walls of its container. In the diagram at the top of the next page, a container of gas is shown before and after a weight
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This note was uploaded on 04/09/2010 for the course CHEMISTRY 1AA3 taught by Professor Goneer during the Spring '08 term at McMaster University.

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CHEM20ASG3-7-KEY - NAME_KEY CHEMISTRY 20 ASSIGNMENT 3-7...

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