Marz Jhon V. Patricio QUANTITATIVE DETERMINATION OF THE ACIDITY OF SOFT DRINKS I. Introduction A. Principle Titration is a laboratory method that is the slow addition of one solution to another until the reaction reaches neutralization‚ which is often indicated by color change. Acid-base titration is the most frequently used procedure to determine the concentration of an acid or basic solution. This titration is also called as neutralization reaction. By adding an indicator to the solution‚ we will
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competing as early as age four. Today many children are expected to play one sport all year long through various leagues. A commitment of this level is not good for young children. There are many problems that come along with pushing children too hard in competitive sports. “Burnout” is one of the biggest problems a young athlete can experience during youth sports. Burnout is also known as overtraining syndrome. According to the Childrens Memorial Hospital‚ “burnout‚ or overtraining is a condition
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Hard Water Analysis Guided Inquiry Lab CaCl2 + Na2CO3 → CaCO3 + 2 Na + 2 Cl Purpose: Determine the amount of ions‚ specifically calicum‚ that are present in multiple samples of water by adding another chemical to create a reaction to percipitate the calcium out of the water into a measureable solid Materials: balance (.001g)‚ 100ml beakers‚ graduated cylinder‚ drying oven‚ Na2CO3 (sodium carbonate)‚ stir rod‚ scoopula‚ DI water‚ watch glasses‚ filter paper‚ ring stand‚ funnel‚ water samples with
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Title of the Experiment: determination of densities Introduction The density of a sample of matter represents the mass contained within a unit volume of space in the sample. For most samples‚ a unit volume means 1.0 ml. The units of density‚ therefore‚ are quoted in terms of grams per milliliter (g/ml) or grams per cubic centimeter (g/cm3) for most solid and liquid samples of matter. Density is often used as a point of identification in the determination of an unknown substance. The density
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History of Hard Drives The hard disk drive was invented by some IBM engineers working under Rey Johnson at IBM in San Jose‚ CA‚ in about 1952 to 1954. In 1965 a number of engineers left IBM (they were known as the "dirty dozen" within IBM) and founded Memorex. Al Shugart‚ one of them‚ later left Memorex and founded first Shugart Associates where the 5 1/4" floppy disk drive was a major product‚ then Seagate Technology‚ which effectively started today’s industry of small hard disk drives. The early
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A Hard Knock Life. By Sebastian Sabatino Home--sitting‚ sitting-just sitting‚ my room just sitting‚ plain old sitting‚ she walks in looking at me not speaking a word‚ I just stay‚ stay sitting—on my bed. She opens her mouth‚ and speaks with the voice of a angel‚ she says ah this takes me back‚ I thought-back where‚ where does it take you? Back when you lived on the streets‚ Why—Why I thought why does it take you back there. Does it take her back to bad memories‚ memories that haunt her‚ that
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In " Hard Times: Coketown" Charles Dickens is assessing industrialization and the effect it had on the people in the towns in which they resided. Coketown seems to be portrayed as a city of work and not anything else. It is put across that the town consists of only fact and nothing else to alleviate the dullness. Charles Dickens is sharing his analysis on the social issues implicated in this town through a narrative that reflects upon the environment. He uses a lot of descriptions and similes to
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Chapter 4 Exchange Rate Determination 1. The value of the Australian dollar (A$) today is $0.73. Yesterday‚ the value of the Australian dollar was $0.69. The Australian dollar _______ by _______%. A) depreciated; 5.80 B) depreciated; 4.00 C) appreciated; 5.80 D) appreciated; 4.00 ANSWER: C SOLUTION: ($0.73 – $0.69)/$0.69 = 5.80% 2. If a currency’s spot rate market is _______‚ its exchange rate is likely to be _______ to a single large purchase or sale
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“It’s hard to belong” Belonging is a universal human experience‚ it involves belonging in a group in which the people have similar objectives‚ opinions and goals‚ as well as make you feel safe and relaxed. As humans‚ it is part of nature to want to be accepted. Each person on this planet is unique in different ways‚ and because of this some people find belonging easier than others. Ultimately‚ others are more easily accepted into group and whereas others are in a never-ending search to find a group
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Tutorial – National Income Determination Question 01 Answer Parts (a) through (g) using the information in Figure 01 describing the Sri Lankan economy. Quantities are given in millions of Rupees. (a) Calculate gross private investment. (b) Calculate GDP. (c) Calculate gross national product (GNP). (d) Calculate net national product (NNP). (e) Calculate national income. (f) Calculate personal income. (g) Calculate disposable personal income. Figure 01 Gross private domestic investment 586.1 Compensation
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