atoms can rotate and vibrate with respect to each other. These vibrations and rotations also have discrete energy levels‚ which can be considered as being packed on top of each electronic level. UV/Vis spectroscopy is routinely used in analytical chemistry for thequantitative determination of different analytes‚ such as transition metal ions‚ highly conjugated organic compounds‚ and biological macromolecules. Spectroscopic analysis is commonly carried out in solutions but solids and gases may also
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CHEMISTRY PROJECT WORK SESSION -2013-2014 ROLL NO- CLASS-XII ‘A’ SUBMITTED BY SUBMITTED TO ROHIT LAKHERA Mrs. ANITA BISHT CERTIFICATE This is hereby to certify that‚ the original and genuine investigation work has been carried out to investigate about the subject matter and related data collection
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For this kind of scenario‚ I would have to create a server from scratch so I can be able to identify any types of vulnerabilities on any of these server requirements stated below. Any of these can be at risk at any time‚ so creating a new server from scratch would be most recommended. Because it is kind of safer than Windows because most viruses and worms are written for Windows but it doesn’t mean Linux can be attacked. Server Requirements: A Web Server A database server A Simple Mail Transfer
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Date:___10/18/2013_________________ Anthropology 101 Introduction to Cultural Anthropology FALL Semester 2013 Online Course Exam # 1 – October 14‚ 2013 Please circle Yes or No to the statements below (2 points each) 1. Do foragers have more “control” over their environment than horticulturalists? No 2. Is there an increase in “density” among the foragers vs agriculturalists? Yes 3. Is there an increase in “complexity” among horticulturalists? Yes 4. Are Pastoralists
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fostered was unnecessarily lost‚ too.” Even though we recognize that energy is not a physical substance‚ we choose to use the substance metaphor to describe it. We’ll use three principles to guide us in the development of the energy concept. 1. Energy can be viewed as a substance-like quantity that can be stored in a physical system. 2. Energy can “flow” or be “transferred” from one system to another and so cause changes. 3. Energy maintains its identity after being transferred. If
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it has harmless equipment used method: 1)weigh closed can of soft drink and record results 2) open can of soft drink 3) weigh a can filled with 375ml of water 4) record mass of open soft drink and can of water daily over several days Diagram: Results: group Mass (g) 1 2.6 2 2.9 3 2.5 4 2.4 5 1.8 (Group 2 and 5 are outliers) mean: 2.5 2.6 + 2.5 + 2.4 = 7.5 7.5/3 = 2.5 Calculations: Result for Group 1: Experimental can mass change: 408.7 – 403
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Combustion of Acetylene (ethyne) Rx: Back Why I don’t do acetlyene explosions in our lab.... Combustion of alkanes A quick review.... • Combustion reactions of alkanes consist only of C and H (hydrocarbon) • require O2(g) as a reactant • produce CO2(g) and H2O(g) and a large amount of energy!! Oxygen can be the limiting reagent which can lead to Incomplete combustion. For complete combustion of a hydrocarbon‚ oxygen must be in excess. If there isn’t sufficient oxygen‚ incomplete combustion occurs
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Chemistry Review (mid-term) 1. Use the equation for atomic mass to answer the following questions. (http://johnheilchem10.escuelacampoalegre.wikispaces.net/file/view/average+atomic+mass+calculations+-+3.pdf) 1. Argon has three naturally occurring isotopes: argon-36‚ argon-38‚ and argon-40. Based on argon’sreported atomic mass‚ which isotope do you think is the most abundant in nature? Explain. 2. Copper is made of two isotopes. Copper-63 is 69.17% abundant and it has a mass of 62.9296 amu.
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Experiment 1: Error‚ Uncertainties and Measurements Laboratory Report Jan Luke Mendoza‚ Alexis Vienne Munar‚ Paula Murakami‚ Giorla Joanne Negre Department of Math and Physics College of Science‚ University of Santo Tomas Espana‚ Manila Abstract Throughout the experiment the main goal is to find out about the realities in taking measurements‚ that is‚ that there will always be an uncertainty for each acquired value. And to find out and recognize these uncertainties was handled in the
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Intro to Sociology – 1/28 Book: Sidewalk by Dunier Available in NYU Bookstore March 13 – Midterm Exam 30% of Grade May 15 – Final Exam (8 in the Morning) Courses are central to the idea of concept & ideas. Readings and course as whole might test hypothesis like pink Floyd‚ Another Brick in the Wall (No M/C‚ small essays). What is a Social Science? Empirical‚ Systematic‚ Conceptual. There are other realms that people think like how people believe what a society is; i
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