Anna Powell 2nd I.Title: Acid-Base Titrations AP Chemistry Laboratory #6 II.Purpose: The purpose of this experiment is to standardize a sodium hydroxide solution and use the standard solution to titrate an unknown solid acid. The equivalent mass of the solid acid will be determined from the volume of sodium hydroxide added at the equivalence point. The equilibrium constant‚ Ks‚ of the solid acid will be calculated from the titration curve obtained by plotting the pH of the solution versus
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SPECILAIZATION : Human resource & Finance DEGREE : Master of Business Administration ADDRESS FOR COMMUNICATION: N.GURUPRASAD * 4a/9‚ Arumuga Gounder Street Mobile no: 9043733229 * Rathinapuri
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March 28‚ 2014 ACID RAIN ENVIRONMENAL EFFECTS What is acid rain? It’s a rain or any other form of precipitation that is unusually acidic‚ meaning that it possesses elevated levels of hydrogen ions (low pH). It can have harmful effects on plants‚ aquatic animals and infrastructure. Acid rain is caused by emissions of sulfur dioxide and nitrogen oxide‚ which react with the water molecules in the atmosphere to produce acids. The most obvious environmental effect of acid rain has been the loss of fish
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DETERMINATION OF THE WATER POTENTIAL OF POTATO TUBER CELLS. Method. Five sucrose solutions with varying molarity and one control containing distilled water were prepared and poured into test tubes. The potato discs were dried‚ weighed and added to the test tubes. The discs were then weighed again after a period of 24 hours. The percentage change in mass was then calculated. Apparatus.  Specimen tubes with stoppers x6  1cm3 diameter cork borer  razor
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The word best used to describe me before entering STEAM freshman year is anxious because going into a new program at a public school is an experience I have never had prior to this year. I have been to many different kinds of schools in my life: Christian‚ Catholic‚ private‚ even homeschooling‚ but up until this year I have never been to a government school‚ which made me quite nervous. I had planned for the worst‚ expecting the hardest of projects and lessons‚ hoping to prepare myself for the
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performed in the play which may have created Shylock’s urge for ’revenge’ may well have been when Antonio had had a quarrel with Shylock. Shylock states this when Antonio seeks a loan from Shylock‚ it becomes apparent that Antonio abused Shylock due to the fact that he was a Jew. Another event that may have been a stimulator towards the actions of Shylock may have been the way in which his daughters life had been intertwined with a Christians in a negative way‚ when shylocks daughter jessica betrays
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The Foods to Avoid that Causes Acid Reflux Problems in the digestive system should not be neglected. There are different possible digestive system disorders or diseases that are most often neglected by many people. The most common digestive problem is the acid reflux or gastro-esophageal reflux disease‚ mostly known as heartburn. Acid reflux affects different ages from infants to young children and adults as well. This disorder should be given special attention because it can lead to a more serious
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Group members: Nguyen Vu Khanh Dung Luu Quy Tung Vu Trung Duc Phung Thi Quynh Chi Le Thi Thanh Diep Duong Thi Ha 1. Necessity: In an international marketing‚ the marketing process is built carefully‚ strategies and goals are very important‚ so company needs to analyze market accurately to have right steps for marketing product strategy. In the new market‚ company always wants to express their strengths and competitive advantages for other competitors. So‚ they have to understand
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What is it? Sickle cell anemia is a type of blood disorder that can be inherited from parents. This is when red blood cells that are meant to carry oxygen around the body become deformed. Normal red blood cells are round and disc shaped‚ however‚ when they become sickle red blood cells‚ the deform and change shape into a crescent-like shape or sickle shape. The sickle cells have a shorter life-span than a healthy red blood cell and are not replaced as quickly as normal; this leads to a shortage
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Alcohol has been used for various kind of things throughout the history. Alcohol can be used as stimulant or anesthetic in medical fields as well as other uses in social communities. With suitable amount of usage‚ it can helps to promote positive emotion and relaxes the body of the consumer. This is where the problem of alcohol abuse arises. People become abusive of alcohol because of stressful urban lifestyle and believe that alcohol can help them to relieve from stress. In reality‚ excessive
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