The Oscilloscope Objectives: 1.To become familiar with the construction and use of the oscilloscope. 2.To gain experience in making simple measurements using this equipment. Materials and Equipment Needed: Dual Trace Oscilloscope with probes Instructions: Please read this experiment carefully so when you come to the lab you understand some of the basic ideas of an oscilloscope. Become familiar with the documentation for this experiment and the location of the various buttons and knobs on the oscilloscope
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mechanism of the esterification reaction‚ the –OH group is split from the acid and the –H from the alcohol. Aspirin can be made as follows: C – OH C – OH CH3 – C – OH + HO – CH3 – C – O– + H2O Acetic acid Salicylic acid Aspirin (containing an (acetylsalicylic acid‚ -OH group) an ester) The use of acetic
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Chapter 11 CHEMICAL REACTIONS 153 CHAPTER 11 11. Chemical Reactions All living beings born in this beautiful world have their own life styles. Have you observed and analyzed your daily life from the view point of a chemist? Chemical reactions happen around us all the time and even in our body. Any change can be classified as physical change and chemical change. Physical changes can be easily reversed but‚ it is not easy to reverse a chemical change. What is the reason? In chemical
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SBI3UE Examination Notes By: Gursangat Sidhu and Derek Meng Unit 1 - The Cell Unit 2 - The Chemical Basis of Life Part 1 - Molecules of Life Part 2 - DNA Replication and Protein Synthesis Enzymes DNA Structure DNA Replication Protein Synthesis Overview Transcription Translation Mutations Part 3 - Cellular Respiration and Photosynthesis Unit 3 - Genetics Unit 1 - The Cell Cell Theory: Cell theory: refers to the idea that cells are the basic unit of structure in every living thing. It states
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often among attractive alternatives. They predict potential outcomes of their strategic decisions. They must first calculate profit pools in their industry. It reduces the likelihood of the firm formulating and implementing ineffective strategies. Ch2. The external environment: opportunities‚ threats‚ competition‚ and
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Mah Jong is although I have been so white washed. I was born here in America so all I ’ve ever known is American culture and although I look 100% like a Chinese kid would‚ when I went to visit China for the first time I felt so different from them. Ch2 An-Mei Hsu: Scar We learn how An-Mei ’s father is long gone and that her grandmother who has been a predominant figure in her life is slowly dying. While An-Mei is describing her dying Grandmother (Popo)‚ she talks about her real mother who had dishonored
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removed by filtration. Solvent was removed in vacuo to afford 3-perylenepentanol as yellow solid. Yield (0.43 g‚ 134 %). Rf 0.49 (hexane : ethyl acetate‚ 1 : 1). δH (500 MHz‚ CDCl3) 1.08 - 1.27 (2 H‚ m‚ 3’-CH2)‚ 1.50 (3 H‚ br s‚ 2’-CH2) ‚ 1.86 - 2.02 (2 H‚ m‚ 4’-CH2) ‚ 2.66 (1 H‚ br t‚ J = 6.3 Hz‚ 1’-CH2) ‚ 3.84 (1 H‚ br s‚ 5’-CH2OH)‚ 7.07
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CHM 138H INTRODUCTORY ORGANIC CHEMISTRY I TERM TEST II March 18th 2010 TOTAL MARKS: 70 NAME (PRINT): ___________________________ Student #: ______________________ TUTORIAL GROUP #: ___________ Answer all questions in the spaces provided on the accompanying answer sheet. It is attached to the back of the test paper. You may detach the answer sheet. Nothing on this question sheet will be marked. PRINT YOUR NAME‚ STUDENT NUMBER‚ and TUTORIAL GROUP NUMBER on this test
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Ch2.Q1.Glenn uses an objective approach which wants to explain as well as predict. He uses source credibility theory proposed by Carl Hovland and Walter Weiss which explains that expertise and trustworthiness are the two main ingredients of perceived credibility. The central premise of source credibility theory is that people we view as trusted experts will be much more effective in their attempts to persuade us than sources we distrust or regard as incompetent. Marty has interpretive approach to
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to the terminal of the carbon chain in a compound‚ the electrons are displaced away from the attached atom or group. (CH3)3C- > (CH3)2CH- > -C2H5 > - CH3. Applications of Inductive effect: Inductive effect is useful in explaining the strength of some organic acids and bases. a) Effect of substituent on the acid strength of aliphatic acids. HCOOH > CH3COOH > (CH3)2CHCOOH Reason : Acidic strength decreases as +I effect of the alkyl group increases. b) O2NCH2COOH > FCH2COOH >CICH2COOH
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