Two key factors that contribute to the ease of deprotonation are the polarity of the H—A bond and the size of atom A‚ which determines the strength of the H—A bond. Acid strengths are also often discussed in terms of the stability of the conjugate base. Sulfonic acids‚ which are organic oxyacids‚ are a class of strong acids. A common example is toluenesulfonic acid (tosylic acid). Unlike sulfuric acid itself‚ sulfonic acids can be solids. Superacids are acids stronger than 100% sulfuric acid. Examples
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Purpose: To find out if the Unknown substances are bases or acids. Materials: goggles aprons paper for data table graduated cylinder unknown I substance beakers/test tubes stirring rod litmus paper pH indicator paper pH color chart phenolphthalein scoopula eye-dropper digital pH meter magnesium ribbon calculator unknown II substance forceps sodium bicarbonate Procedures: Test the pH of the Unknown substances with litmus paper and pH indicator paper and match to color chart
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Students of schools and colleges generally go on excursions every year. They select places of historical and scientific interest to visit. Those going to Delhi will not miss to visit Agra and see the Taj Mahal. At Agra besides the Taj Mahal they can also seen the Agra Fort and Fathepuri Sikri which was for some time the capital of Moghul Emperor‚ Shahjahan. Taj Mahal is one of the seven wonders of the world. It has both historical as well as cultural value. It is built on the banks of the river
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Operations Management Shouldice Hospital January‚ 2013 Table of Contents Executive Summary ....................................................................................................................3 Scope .................................................................................................................................................. 3 Analysis ......................................................................................................................
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avoided if possible. Secure Base Parents are the secure base for their children; as a secure base the child is able to explore the world and is assured that
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CHEMICAL REACTIONS: ACID-BASE BUFFERS Short Overview Acids and bases represent two of the most common classes of compounds. Many studies have been done on these compounds‚ and their reactions are very important. Perhaps the most important reaction is the one in which an acid and base are combined‚ resulting in the formation of water (in aqueous solution) and a salt; this reaction is called neutralization. A buffer solution is a solution that contains both an acid and a salt
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we were always given the option to live on base or off. The answer has always been the same‚ off base. I enjoy living off base because we have more freedom‚ a sense of normalcy‚ more income‚ and a better way to experience the culture in Spain. Being able to live off base has always been a better experience for us and we always enjoy the different homes we are able to choose from. First I enjoy living off base because we have more freedom. Being off base we still have to follow certain rules of the
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Budget Deal 2 Q-1. The budget deal of 2013 avoided the fiscal cliff through various avenues. It entailed retaining the income tax brackets from the Bush tax cuts permanently. The ideal budget deal would avoid tax increases and deep spending cuts. However‚ in the PBS interview the “Americans will either have to in the future bear higher taxes‚ middle-class Americans‚ or most people will see their services‚ safety nets‚ public investments in everything from sewers and infrastructure overall
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Maintaining Patient Safety When working in an acute care setting such as a hospital‚ safety is the number one priority. A safe environment greatly reduces the risk for illness or injury. It’s not only for the patient; it’s also for the healthcare provider. For a nurse‚ it begins when she/he meets the patient. She must assess the room and make sure there is no debris littered on the floor‚ that all IV tubing is untangled and not on the floor‚ and that the patient’s bed is down in the lowest position
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Acid and Base Titrations: Preparing Standardized Solutions Introduction: This experiment focuses on titrations of acids and bases. A titration depends on addition of a known volume of solution and is a type of volumetric analysis. Many titrations involve either acid-base reactions or oxidation-reduction reactions. In this experiment we do one of each. We monitor the pH of the reaction with the use of a color indicator. We also learn about the standardization of bases (NaOH) and acids (HCl) which
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