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## Chapter 9 Worked Example 1

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### Title: PowerPoint Presentation Author: buglass Last modified by: buglass Created Date: 5/28/2014 7:55:27 AM Document presentation format: On-screen Show – PowerPoint PPT presentation

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Title: Chapter 9 Worked Example 1

1
Chapter 9 Worked Example 1
2
Chapter 9 Worked Example 2
A student attaches a glass bulb containing neon
gas to an open-tube manometer and calculates the
pressure of the gas to be 0.890 atm.
• If the atmospheric pressure is 762 Torr, what
height difference
• between the two sides of the mercury in the
manometer did the
• student find?

(b) Which side is higher, the side of the
manometer attached to the bulb or the side
open to the atmosphere?
(c) If the student mistakenly switches the
numbers for the sides of the manometer when
recording the data in the laboratory
notebook, what would be the reported pressure
in the gas bulb?
3
Solution
4
Chapter 9 Worked Example 3
5
Chapter 9 Worked Example 4
6
Chapter 9 Worked Example 5
7
Chapter 9 Worked Example 6
A sample of methane gas, CH4, was slowly heated
at a constant pressure of 0.90 bar. The volume of
the gas was measured at a series of
different temperatures and a plot of volume vs.
temperature was constructed. The slope of the
line was 2.8810-4 L K-1. What was the mass of
the sample of methane?
Solution
8
Chapter 9 Worked Example 7
9
Chapter 9 Worked Example 8