CHEM20ASG3-4-KEY - Copy - NAME _KEY_ CHEMISTRY 20...

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NAME ___________ KEY _____________ CHEMISTRY 20 ASSIGNMENT 3-4 TOPIC(S) COVERED: Text (113-122) TOTAL MARKS: 18 DIRECTIONS: Read pages 113 to 122 in the text and answer the following questions on this paper. You must use only the information in the text to answer all questions. Complete sentences are not required. 1. Two prominent French scientists Jacques Charles (1746–1823) and Joseph Louis Gay- Lussac (1778–1850) were intrigued by an event in which heated air played a critical role. (1 mark) 2. When Charles began to study “lighter than air” flight, he knew that an object filled with a gas that was less dense than air would rise in the air. (1 mark) 3. The two scientists performed many experiments with a variety of gases and at several pressures. As long as the amount of gas and the pressure on the gas were constant for a specific experiment, they obtained a linear plot. (1 mark) 4. When they extrapolated their linear plots down to zero volume, all the lines converged at one value of temperature. (1 mark)
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CHEM20ASG3-4-KEY - Copy - NAME _KEY_ CHEMISTRY 20...

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