Lecture 8 (10am) Chapter 5 (Gases) September 25 2009

Lecture 8 (10am) Chapter 5 (Gases) September 25 2009 -...

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Reminders: 1.Bring a number 2 pencil to the exam. 2.No Graphing Calculators will be allowed – bring a scientific calculator. 3.Please go to the correct room to take your exam: 1110-01 DCC 318 1110-04 DCC 330 1100-09 Sage 3303 1100-11 DCC 308 Extra Time Students Walker 3221
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The Exam on Wednesday September 30 will cover material from Chapters 3 and 4 (and 17.1 – 17.5, 18.1 – 18.3, 19.2, and 21.1) This material is covered in lectures 1- 7. The material from Chapter 5 that we cover in class prior to the exam WILL NOT BE ON THE FIRST EXAM!
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Chapter 5 – Gases Lecture 8 September 25 2009
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Gases: Measurement of Pressure
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Measuring Atmospheric Pressure: Mercury Barometer (Fig. 5.3)
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Measuring Gas Pressure: Manometer (Figure 5.4)
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An open tube manometer is used to measure the pressure of a sample of gas. The height of the column of mercury in the right arm open to atmospheric pressure (760 mmHg) is 90 mm and the height of the column of mercury in the left arm is 65 mm. What is the pressure of the gas in the bulb? (A)735 mmHg (B) 25 mmHg (C) 670 mmHg (D)825 mmHg (E) 785 mmHg
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Units of Pressure SI unit of force: Newton (N) (1 kg∙m/s 2 ) SI unit of pressure: pascal (Pa) 1Pa = 1 N/m
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Lecture 8 (10am) Chapter 5 (Gases) September 25 2009 -...

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