A The % Composition and Empirical Formula of a Hydrate: It Doesn’t Hold Water‚ Or Does It? 1. To determine the percent water in an unknown hydrate. 2. To calculate water(s) of crystallization for an unknown hydrate. 3. To determine the formula of an unknown hydrate. OBJECTIVES SKILLS Proper use of the following equipment: Dial-O-Gram balance (Laboratory Technique I)‚ electronic balance (Laboratory Technique II) and Bunsen burner (Laboratory Technique III). Dial-O-Gram balance‚ electronic
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Choosing the Sex of Your Baby Ashton Jackson English 101 How is it possible to choose the sex of your baby besides adoption? Has our society really dropped their morals so low? Before reading this text‚ I skimmed through‚ and seen that there were arguments pending on whether this should occur or not. I am curious as to why people would want to choose the sex of their baby. I see that as ‘cheating God’ in a way. Even if parents have a child of one sex‚ should they honestly get the choice
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Introduction A gas is the state of matter that is characterized by having neither a fixed shape nor a fixed volume. Gases exert pressure‚ are compressible‚ have low densities and diffuse rapidly when mixed with other gases. On a microscopic level‚ the molecules (or atoms) in a gas are separated by large distances and are in constant‚ random motion. When dealing with gases‚ the Ideal Gas Law equation is the most famous equation used to relate all the factors in dealing and solving the problem
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solution‚ and concentration of AgNO3. Once the solid was large enough‚ it could be washed‚ filtered‚ and weighed. The percentage of chloride present was found to be 24.73695223 (±0.00000006) %. Introduction The purpose of this lab was to determine the percentage of chloride in an unknown soluble salt sample through a gravimetric method known as precipitation gravimetry. The objective was to accurately and precisely convert the unknown sample containing the chloride analyte to
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Spectrophotometric Methods: The Determination of Iron The goal of this laboratory experiment was the quantitative spectrophotometric determination of Fe (II) by using a calibration plot‚ which obeyed the Beer-Lambert Law. In order to determine the Fe (II) concentration‚ a series of solutions of known concentrations were made. The solutions were analyzed by the Ocean Optics spectrophotometer in order to determine their absorbance. The concentration of the unknown Fe (II) was determined by the “eye-ball”
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“America was not built on fear. America was built on courage‚ on imagination and an unbeatable determination to do the job at hand” Harry Truman. Harry Truman was the 33rd president of this great country. This quote to me meant a lot of things‚ but what really stood out to me is courage‚ honesty‚ and determination. America has shown all of those things countless of times in the past‚ but I personally feel like those things are taking the backseat in our country today. My vision for America is bringing
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really stuck out in my opinion is his determination. I say this one because there is so many moments in his narrative where he has to be determined against all odds. As the narrative‚ Douglass presents himself as a judicious figure and someone who never gives up on what they want‚ Which is why this characteristic stuck out the most in his narrative. There is several examples of just how much determination he had throughout his life. He shows a form of determination when his owners’ wife Mrs. Auld begins
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Complexometric Determination of Water Hardness Abstract: Create a standardized EDTA solution for use as a titration solution to determine the hardness of water from a single random sample. Introduction: Using a calibrated EDTA solution to determine water hardness from a random sample. Essentially the Na2EDTA solution reacts one to one with the mineral content of a sample of tap water and by use of a standardized solution a ppm estimation can be obtained for the hardness of water. Current knowledge
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Checkpoint: Patient Self-Determination Act The Patient Self-Determination Act (PSDA) was legislated by Congress in 1990 as part of the Omnibus Budget Reconciliation Act (OBRA). Congress felt that individuals has the right to determine their final healthcare. In a Ambulatory Surgery facility setting‚ Medicare/Medicaid requires that each patient sign a HIPAA form‚ explaining their rights prior to the procedure being performed. The purpose of the PSDA would be to ensure that individuals are provided
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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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