CHEM20ASG3-3-KEY - Copy - NAME _KEY_ CHEMISTRY 20...

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NAME ____________ KEY ____________ CHEMISTRY 20 ASSIGNMENT 3-3 TOPIC(S) COVERED: Text (92-112) TOTAL MARKS: 15 DIRECTIONS: Read each question carefully and choose the best answer. 1. A balloon filled with helium increases in volume as it ascends to a higher altitude. The expansion of the balloon is primarily due to A. a decrease in the average kinetic energy of the helium atoms inside the balloon B. an increase in the average kinetic energy of the helium atoms inside the balloon C. a decrease in the rate of collisions of the atmosphere molecules on the outside walls of the balloon D. an increase in the rate of collisions of the atmosphere molecules on the outside walls of the balloon 2. Boyle's law is stated algebraically as A. PV = constant B. VT = constant C. P V = constant D. V T = constant 3. The new volume of a fixed mass of gas whose pressure is increased from 100 kPa to 400 kPa at a constant temperature is A. one half the original volume B. two times the original volume
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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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CHEM20ASG3-3-KEY - Copy - NAME _KEY_ CHEMISTRY 20...

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