substances. One way is based on their pH. Substances may be * Acid 2. Base 3. Neutral INDICATORS This is a substance which is one color in and acid and another color in a base. Indicators can ten be used to test for the presence of acids or bases in a substance. Some are available in paper form (litmus) and others in liquid form (methyl orange). INDICATOR | COLOR IN ACID | COLOR IN BASE | LITMUS |
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The Parthenon Marbles‚ known in Britain as the Elgin Marbles‚ were originally located on the islands of Greece. Whilst in Athens‚ in 1805‚ Lord Elgin stole the Parthenon Marbles and took them back to England‚ renaming them the Elgin Marbles. In recent times‚ Greece has reiterated that the marbles were taken illegally and that they ought to be returned to their rightful home‚ creating high tensions between
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Private investigations Private investigators can specialized in many areas of the criminal justice fields. Some of the positions are crimes against children or elderly‚ civil‚ and crimes against property. The investigations mostly private investigators carry out are observation of a suspect and conduct searches. So it goes with surveillance these days‚ which video cameras played a key role in identifying a perpetrator committing a crime. In any case‚ most surveillance involves someone before or
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Criminal Investigations In criminal investigations there are many aspects throughout the field that are very interesting. Some aspects are crime scene investigation‚ getting witnesses‚ taking and handling of evidence‚ investigative sources‚ legal aspects‚ interview and interrogating and case management. My favorite aspect of criminal investigating is taking and handing of the evidence and interviewing and interrogating. Today new and improved tools and techniques in the criminal investigation process
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visitors from injury caused by employees that the employer knows or should have known poses a risk to other (Woska‚ 2007). When conducting a reference or background investigation on an applicant‚ the most important and useful things to check for are criminal history‚ credit history‚ education history‚ and work history. A background investigation includes determining whether an applicant may be unqualified for a position and a reference check generally involves contacting applicants’ former employers‚ manager’s
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2. When everything has been separated in Part D‚ which compounds will be in test tubes 1‚ 2‚ and 3? 3. The partition coefficient of benzoic acid is 3 in dicholormethane (methylene chloride) with respect to water. If 6 grams of benzoic acid is dissolved into 600 mL of water‚ how much benzoic acid will be extracted with four by 150 mL portions of dichloromethane (methylene chloride)? 4. In part D‚ you are to test the aqueous layer with litmus paper after
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Chemistry is a big part of your everyday life. You find chemistry in daily life in the foods you eat‚ the air you breathe‚ your soap‚ your emotions and literally every object you can see or touch. Here ’s a look at some everyday chemistry. Elements in the Human Body Steve Allen‚ Getty Images Your body is made up of chemical compounds‚ which are combinations of elements. While you probably know your body is mostly water‚ which is hydrogen and oxygen‚ can you name the other elements that make
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CHEMISTRY PROJECT :AIM: TO COMPARE RATE OF FERMENTATION OF GIVEN SAMPLE OF WHEAT FLOUR‚GRAM FLOUR‚RICE FLOUR AND POTATO. SUBMITTED BY :- NAME: Shreyas kelkar CLASS:XII A ROLL NO: 26 INDEX # AIM # CERTIFICATE # ACKNOWLEDGEMENT # DECLARATION # OBJECTIVE # INTRODUCTION # MATERIALS REQUIRED # PROCEDURE # OBSERVATIONS # BIBLIOGRAPHY CERTIFICATE This is to certify that this project is submitted by SHREYAS KELKAR to the chemistry department‚ KENDRIYA VIDYALAYA NO. 1‚ INDORE was carried out
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Genevieve Prevete Dr. Cozine Security Investigations Midterm Question 1 An investigation is a process in which there is a search inquiry for ascertaining facts. It is a detailed and careful process. There are different types of investigations‚ which come with different types of investigators. However‚ with that said the steps in an investigation are the same in every process. The process consists of five basic steps‚ identify the problem‚ gather facts‚ develop a hypothesis‚ continue
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ATLANTIC COLLEGE CHEMISTRY DEPARTMENT (Written by Dr Geoffrey Neuss) CONTENTS Page Introduction 1 Assessment of Practical Work 3 Error and uncertainty 7 Significant figures 8 Title 1. Some common chemical reactions. 9 2. A traditional acid-alkali titration. 10 3. Analysis of aspirin tablets
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