THE IMPORTANCE OF ELECTROLYSIS IN OUR DAILY LIFE “Electrolysis is the passage of an electric current through an electric current through an electrolyte with subsequent migration of positively and negatively charged ions to the negative and positive electrodes. “ 1 Electrodes are metals that are capable to conduct electricity through the solution used in electrolysis. During electrolysis‚ positive and negative electrodes are needed. The positive electrode (anode) experiences oxidation
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The Titration of a Basic Solution of Unknown Molarity with a Standard Hydrochloric Acid Solution Abstract The aim of the experiment was how to determine the molarity of a solution. My hypothesis was if I have to determine the molarity of a NaOH solution‚ then I would have to use a standard solution of HCl solution because I would need to neutralize each other to determine the concentration of the solution of NaOH. The method that I used for this experiment was titration. Titration helped
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Elisa Hofmeister Kokesh Hour 3 AP Chemistry 5-29-12 The Chemistry of Coffee Green Coffee- Before coffee is roasted‚ it is referred to as “green coffee”. The green coffee is primarily made up of caffeine‚ lipids‚ carbohydrates‚ proteins (amino acids)‚ and organic acids (although inorganic acids exist in coffee as well). These groups are quite stable in the green phase‚ and it is the carbohydrates‚ proteins‚ and acids that will undergo significant reactions during roasting to produce coffee
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Chemistry in the kitchen Teacher’s guidelines Lorena Payà Vayà Llicència C Curs 2007/2008 Index Unit 1. Can we do chemistry in the kitchen? 1.1. Strawberry smoothie. 1.2. Laboratory vs. Kitchen. 1.3. Safety in lab and in the kitchen. 1.4. Cutting onions or a scientific investigation. 3 Unit 2. How do we measure in the kitchen? 2.1. How do we measure the quantity of each ingredient in our cooking? 2.2. An Old Scottish Recipe or how to convert units. 2.3. Does one kilo of sugar
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1 Class XII Chemistry Ch 5: Surface Chemistry Chapter Notes Top Concepts / Key learnings: 1. 2. 3. 4. 5. 6. Adsorption: The accumulation of molecular species at the surface rather than in the bulk of a solid or liquid is termed as adsorption. Adsorbate: The substance which is being adsorbed on the surface of another substance is called adsorbate. Adsorbent: The substance present in bulk‚ on the surface of which adsorption is taking place is called adsorbent. Desorption: The process of removing an
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Besides the other topics involved in Asbestos‚ they have chemicals and chemistry involved. “Naturally occurring asbestos can be found most abundantly in and around Humboldt County‚ in areas of San Benito and Monterey counties‚ and in western El Dorado county” ("Naturally Occurring Asbestos"). Asbestos is not a human substance or a chemical‚ but it is made out of stone. There are a group of six naturally occurring silicate minerals that is inside found in rock and soil which are: amosite (Fe7Si8O22(OH))2
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are one of the most common and important chemical interactions. They are vital to both environmental and industrial systems. As an important variable‚ pH controls the toxicity‚ mobility‚ solubility‚ and fate of many aquatic ecosystems. Most aquatic life forms cannot survive outside a pH window from about 4.5 to 9. From an industrial viewpoint‚ manipulation of pH is both a tool for and a prerequisite to all water treatment processes.1 Along with pH indicators‚ titration is a vital tool in determining
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| |Properties of sulphuric acid |4 | |The uses of sulphuric acid |5 – 7 | |Sulphur dioxide and environmental pollution |8 – 9 | |(B) Ammonia and its salt
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by : Directorate of Education‚ Delhi SOME IMPORTANT REASONING BASED QUESTIONS OF ORGANIC CHEMISTRY 1. Chlorobenzene is less reactive than chloromethane. Ans. In chlorobenzene‚ each carbon atom of benzenering is sp2 hyridised and is electron withdrawing. Chlorine atom donates a lone pair of electron and acquire positive charge. The negative charge is delocalised on ortho and para position by resonance. C-Cl bond acquires partial double bond character and is 169 pm as compared to 17.0 pm in chloromethane
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Organic Chemistry I – CHEM 201-DL01 September 26‚ 2014 Organic Chemistry Experiment 4B Lab Report Extraction of Organic Compounds From Natural Sources: Extraction of Trimyristin From Nutmeg Introduction The purpose of this experiment is to illustrate how a solid natural product can be extracted from its natural source through the use of an organic solvent. Natural products are organic compounds that are synthesized by natural biological processes in plants‚ animals
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