Chapter 6 – Properties of gases lecture notes 1. Gas phase Gases have neither definite shape or volume 1) volume changes with pressure 2) volume changes with temperature 3) gases are miscible 4) gases are generally MUCH less dense than liquids 2. Atmospheric pressure 1 atm = 760 torr (mm of Hg) F= ma F = force m = mass a = acceleration P = F/A - ma/A P = pressure
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crystals from the heavier graupel‚ causing the top region of the cloud to accumulate a positive space charge while the lower level accumulates a negative space charge. Because the concentrated charge within the cloud must exceed the insulating properties of air and this increases proportionally to the distance between the cloud and the ground‚ the proportion of CG strikes (versus cloud-to-cloud (CC) or
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Give the elements English and elemental symbol‚ if the elemental symbol is different then would be expected in English‚ such as tungsten W‚ describe why it has that symbol ▪ The element name is osmium and its elemental symbol is Os. Its atomic mass is 190.23 2. What is the elements atomic number‚ what class of elements does it fall into ▪ The atomic number for osmium is 76. Osmium falls into the transition metal group. 3. Are there any common isotopes of this element?
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Elements of Safety Management & System Subhadip Manna 1. What are the Regulatory Agencies/Authorities having control over petroleum Industry? • • • • • • • • • • • • Following is the list of various regulatory/statutory agencies having jurisdiction over the petroleum industry. Central Pollution Control Board ( CPCB)‚ under the Minist ry of Environment and Forest Respective State Pollution Control Board‚ under the Ministry of Environment and Forest of The State Chief Inspector
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Atoms are the smallest entities which resemble the properties of an element and cannot be broken down into smaller parts. Molecules are formed when two or more atoms are combined. This formation can happen in a variety of ways. When two oxygen atoms join O2 is formed‚ and when three oxygen atoms join O3 or ozone is formed. Both of these have different properties. Different atoms can also combine to form molecules. Hydrogen combines with sulfur to form H2S and hydrogen and oxygen also combine
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Oliver Sacks gets the same sense of beauty and comfort from the periodic table of elements. The connection between Sacks and the periodic table is explained by Sacks himself in his article “Oliver Sacks: My Periodic Table.” When first read‚ the connection is not obvious much like Picabia’s painting‚ but once we see beyond the text‚ the connection can be seen. Written towards the inevitable
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Flame Tests Atomic Emission and Electron Energy Levels AES‚ or atomic emission spectroscopy‚ is a method which chemically analyzes the particular wavelength of a sample element to identify and determine the abundance of this certain element. The wavelength of the atomic spectral line unveils the identity of the element while the emitted light intensity is proportional to the number of atoms in the element. The flame test is also a very effective way to identify an individual element. The color
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counterparts. Often denied access to proper education‚ goods‚ property and freedom‚ colored people were continuously exploited as property themselves and unwillingly later became slaves to the elite classes. As a result‚ the notion of a slave owning property‚ of property owning property‚ quickly became rejected as plausible. Afterall‚ slaves were constantly “working from sunup to sundown” (234) and lacked the funds and skills necessary to acquire property. However‚ author Philip D. Morgan dismisses this stereotypical
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July 28st‚ 2014 Lab #10 Properties of Light Purpose: The ideal purpose of this lab activity is to investigate the relationship between the frequency of the light (color) and the energy produced by different colors of light. Other purposes of this experiment include calculating the proper current for each LED‚ measuring the evaporation rate of rubbing alcohol‚ and being able to discuss the outcome of the relationship in light energy and the color of the light producing the energy. Materials:
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Danielle Silverstein PHY 101 Section 10497 March 4‚ 2013 Light up this World Purpose: In this lab experiment‚ LED lights will be used to show how when E&M radiation is absorbed‚ the energy is converted to heat. A drop of isopropyl alcohol will absorb light energy of different colors‚ and the evaporation rate of the alcohol will be measured. The key to this lab is the evaporation rate is directly related to the energy of the light shining on the drop. Materials: * * LEDs
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