Unit operations and unit processes http://www.mine-engineer.com/ • At the end of this unit you should be able to: a. List the various reasons for undertaking size reduction and enlargement in the chemical industry b. Describe the operation principles of some size reduction equipment and size enlargement equipment c. Explain how industrial materials can be separated on the basis of their magnetic‚ electrostatic‚ hydrophobic and volatility differences respectively d. Discuss various organic unit
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compound made then synthesized. The methods used were acid-base titrations‚ redox titrations‚ gravity filtration‚ and distillation. General conclusions included Procedures Weight of Crucibles 1. The first experiment is Preparation of a Cobalt Amine Bromide Product ; Synthesis #3 was used to create the compound. Added 5 grams of cobalt carbonate to 20 mL of hrdrobromic acid in a beaker. Noticied a slight color change to dark purple. Solution frothed after it settled I mixed in 15mL water and did
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Chromatography • • • Separation based on polarity of compounds Two potential phases for a compound to exist in: mobile and stationary Partitioning of compounds between mobile phase and stationary phase occurs: o Compounds that are less polar move more in the mobile phase‚ those that are more polar “stick” more on the stationary phase o These polarity differences cause compounds move at different rates and therefore can be separated 1. Mobile Phase: the phase the moves; can be gas or
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bases‚ particularly in allowing their storage and use as such. Comparative stabilities to ethyl esters are reported in s everal examples. T h e synthesis of several t-butyl peptides is reported a s well a s selective removal of this ester group or of amine-protecting groups when both are present. I n recent years naturally occurring peptides with high biological activities in such diverse fields as antibiotics‚ bacterial growth factors‚ hormones‚ smooth muscle stimulants and pain-producing subs
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Chapter 48 Nervous Systems Lecture Outline Overview: Command and Control Center The human brain contains an estimated 1011 (100 billion) neurons. Each neuron may communicate with thousands of other neurons in complex information-processing circuits. Recently developed technologies can record brain activity from outside the skull. One technique is functional magnetic resonance imaging (fMRI)‚ which reconstructs a 3-D map of the subject’s brain activity. The results of brain imaging and other
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TITLE OF PRJECT WORK STUDIES ON THE PRODUCTION OF QUALITY GARMENTS LEATHER FROM CALF SKIN Project Supervisor Prof.Dipl.-Ing. Mathias Paas Faculty of Textile and Clothing Technology Hochschule Niederrhein Mönchengladbach‚ Germany. Participant Md.Saiful Islam Matriculation No-871349 Master Management of Textile Trade and Technology ACKNOWLEDGEMENT The preparation of the garments leather is very interesting and sensitive issue. I tried my best to provide valuable information to
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Use this packet and your book to answer the questions throughout this packet. Organic Nomenclature - Alkanes‚ Alkenes‚ Alkynes Naming organic compounds can be a challenge to any chemist at any level. Historically‚ chemists developed names for new compounds without any systematic guidelines. In this century‚ the need for standardization was recognized. For simple molecules‚ the nomenclature system worked out by the International Union of Pure and Applied Chemists (IUPAC) works well. For complex
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lefttop Alfred Werner was the first Swiss citizen and also the first inorganic chemist who win the noble prize in 1913 for his coordination theory of transition metal-amine complexes. He was awarded the Noble Prize with the prize motivation state as “in recognition f his work on the linkage of atom in molecules‚ by which he has thrown fresh light on old problem and opened new field of research‚ particularly in inorganic chemistry”. Werner was born on 12 December 1866 in the French region
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Literature Review- Rise Of tattoos In Today’s Society By‚ Tim Dawson Tattoos are becoming extremely popular in today’s society. They seem to be everywhere from professional athletes showing them off to even TV shows all about getting tattoos. They are becoming a norm in society or are they already the norm? Are they still considered rebellious? This will all be explored as this literature review will look into the history of tattoos‚ tattoos on the rise‚ health risks of tattoos‚ and why teens
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SYLLABUS CHEMISTRY (043) CLASS-XII – (2012-13) Annexure - ‘ I ’ S.No. 1. 2. 3. 4. Type of Question Long Answers (LA) Short Answers-II (SA II) Short Answers-I (SA-I) Very Short Answer (VSA) Total Marks for No. of Total Marks each Question Questions 5 3 2 1 3 9 10 08 30 15 27 20 08 70 Weightage 4 5 5 5 4 3 8 5 3 4 4 6 4 4 3 3 70 Total: S.No. UNIT 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. Solid State Solutions Electrochemistry Chemical Kinetics Surface Chemistry General Principles
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