4 Strong Acid and Weak Base Lab PURPOSE: To find the molarity of an unknown acidic acid. MATERIALS: 1. 250 mL beaker 2. 10 mL graduated cylinder 3. 50 mL beaker 4. Funnel 5. 125 mL Erlenmeyer flask 6. 50 mL buret 7. Ring stand 8. Strong acid 9. Weak base 10. Phenolphthalein 11. De-ionized water. PROCEDURES: 1. Fill the buret with a weak base and place it in the ring stand. 2. Fill the 50 mL beaker with 30 mL of a strong acid. 3. Fill
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I’d research experience stories and all the facts‚ but I really just needed to try it myself! A few friends and I were sitting around playing Dead Space 3‚ when my friend Kyle told me that he could get some acid. Excitedly‚ we called his friend and asked him to bring him four hits of acid. As soon as the friend got to Kyle’s house he handed us each two hits‚ and we placed them on our tongues. Knowing that we had 30 to 45 minutes until the LSD trip began‚ we continued to play Kyle’s videogames.
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How Healthy is the Conodoguinet Creek? Acid rain and Eutrophication are the two main pollution in Central Pennsylvania. Acid rain is a bad type of rain whiles eutrophication is the process where water bodies receive excess nutrients. Our mission here is to determine whether the Conodoguinet Creek is polluted or not. My hypothesis before the experiments was if there was to be signs of acid rain and eutrophication‚ then it means the Creek is polluted We went to the creek
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H2SO3 Sulfurous acid is the chemical compound with the formula H2SO3. H2SO3 is a clear‚ colorless liquid with a sulfurous odor. It is a weak acid that is formed when sulfur dioxide is dissolved in water. Sulfurous acid is used as a bleaching and chemical reducing agent that is often used in medicine‚ throat and nasal sprays and skin lotions. Antiseptics‚ anti-fermentative‚ and antizymotics include sulfites that are formed from the acid. This compound is only stable in aqueous solutions‚ and
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Chemistry A Rap 1 4/6/12 Acid and Base Report If someone were to ask the common teenager in the US‚ “What’s acid?” they would probably respond with something akin to “It’s that one drug that makes you see stuff that isn’t really there and just kinda makes you crazy”. And if that same someone was to ask that same teenager‚ “What’s a base?” their response would most likely have something to do with either baseball‚ or freeze-tag. The thing is‚ most people don’t really understand the most common
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Equilibrium and Acid Base Test Review: May 2012 Things to know: 1. Explain DYNAMIC EQUILIBRIUM. Why does a reaction at equilibrium look like it is NOT reacting? 2. Are all reactions equilibrium reactions? What assumptions do we make when we say that a reaction does NOT take place or that it is UNIDIRECTIONAL and goes 100% to completion 3. Be able to sketch a graph of the following (assuming that you start with all reactants and no products) : a. A reaction that really doesn’t do anything
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effect on the pH of Distilled water‚ Potato Solution and Commercial Buffer‚ when Hydrochloric acid (0.1 mol/L) and Sodium Hydroxide (0.1 mol/L) is added Mahima Mandava Mrs. Haist September 23rd‚ 2014 SBI4U1 Background Information: The pH is the measurement of how acidic or how basic a substance can be. The pH scale is used to measure how acidic or basic a living cell can be. The pH scale ranges from 0-14; 0-6 being acidic‚ 8-14 being basic and 7 being neutral. There are many factors that
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Every solution has either has an acid or basic trait. The acid or basic trait in a solution are called pH level. pH is a scale that is used to determine if solution is acidic ‚basic‚ or neutral. During Living Environment class‚ we conducted a experiment that allowed us to measure the pH levels of 3 solutions. We were split into groups and each person had to bring a household solution from around the house. There certain materials that were needed to conduct the experiment .The following
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fatty acid chains (carboxylic-acids). These undergo a condensation reaction to form a triglyceride-molecule and the by-product‚ three molecules of water [1]. The general structure of triglyceride can be presented below: Where R‚ R’ and R’’ represent particular carbon fatty acid chains. The fatty acid composition is the most important characteristic of the triglyceride. The physical and chemical properties of particular triglycerides depend on the nature and arrangement of these fatty acid residues
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Bioresource Technology 79 (2001) 207±225 Review paper The production of poly-(c-glutamic acid) from microorganisms and its various applications Ing-Lung Shih *‚ Yi-Tsong Van Department of Environmental Engineering‚ Da-Yeh University‚ 112 Shan-Jiau Road‚ Da-Tsuen‚ Chang-Hwa 51505‚ Taiwan‚ ROC Accepted 9 April 2001 Abstract This review article deals with the chemistry and biosynthesis of poly-(c-glutamic acid) (c-PGA) produced by various strains of Bacillus. Potential applications of c-PGA as
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