"Experiment 12 the alkaline earths and the halogens" Essays and Research Papers

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    Chemistry Halogens Lab

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    Maggie Mitchell IB Chemistry Prd. 5 THE HALOGENS LAB Date: 9/11/13 Purpose: The purpose of this experiment was to observe and record the halogens’ (NaF‚ NaCl‚ NaBr‚ and KI) reactions with the chemicals Ca(NO3)2‚ AgNO3‚ and NH4OH and use these observations to identify an unknown halogen. Data: (see next page) TABLE 1: REACTIONS OF HALOGENS WITH CA(NO3)2‚ AGNO3‚ AND NH4OH REACTION NAF NACL NABR KI REACTION W/ CA(NO3)2 solution turns cloudy and precipitate forms clear precipitate

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    Alkaline Water

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    detoxifynow.com • Alkaline Water | FIR Sauna | Shower Filters | Colema Boards | Detox Programs | Mind Detox • Massage Therapies | Detox Diet | Reverse Aging | JP107 Water Ionizer | About Us | HOME |What is Ionized Alkaline Water? | |How is Alkaline Water produced?

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    Halogen Light Bulbs

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    1. What are some benefits of using halogen light bulbs in lighting fixtures for filming? – The benefits of using the halogen lights could be that they can last longer and are much brighter than regular light bulbs. 2. Describe in detail how to create the effect of light coming through a window onstage in a theatrical production. – A metal cutout will create an effect of a light shining through a window‚ so that it doesn’t look like a straight up spotlight on stage. 3. What is hard light? How does

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    Alkaline and Acid

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    to accept and unshared pair of electrons from a base. An alkaline is a chemical compound that neutralizes or effervesces with acids and turns litmus blue; it’s a corrosive substance. Two similarities between acid and alkaline is that they are sour and they each changes litmus paper into another color than it was originally was. The differences between an acid and an alkaline are that acids have a Ph scale of any numbers below 7 and alkaline is from any numbers that is 7 or greater. I have searched

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    Glasgow in Scotland. Black moved to the University of Edinburgh and while attending school he began his experiments. He obtained his medical degree in 1754. After graduation‚ Black continued his experiments and kept a journal of all his experiments. “Experiments Upon Magnesia Alba‚ Quicklime‚ and some other Alkaline Substances‚” was written by Joseph Black‚ MD. The journal detailed his experiments with Magnesia Alba. “The Life and Letters of Joseph Black: Chapter

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    Alkaline Water Filter

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    Best Alkaline Water Filter Method There exist numerous ways to keep a healthy life. One of such ways which has constantly evaded the knowledge of most people is the necessity of drinking alkaline water. It has been neglected over time due to the stereotype that it takes very difficult methods to make. That is not the case as there has evolved simple and home based ways to go about this very important aspect of human healthy living. However‚ I will be giving brief but cogent importance of drinking

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    halogen element Any of the six nonmetallic elements that constitute Group 17 (Group VIIa) of the periodic table. The halogen elements are fluorine (F)‚ chlorine (Cl)‚ bromine (Br)‚ iodine (I)‚ astatine (At)‚ and element 117 (temporarily named ununseptium [Uus]). They were given the name halogen‚ from the Greek roots hal- (“salt”) and -gen (“to produce”)‚ because they all produce sodium salts of similar properties‚ of which sodium chloride—table salt‚ or halite—is best known. Because of their great

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    Alkaline Phosphate Assay

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    Expt. BL 304 Kinetics of Alkaline Phosphatase Objective To study the kinetics of alkaline phosphatase. Procedure 1. Sodium carbonate - sodium bicarbonate buffer: Dissolve 20 ml of 0.2 M solution of sodium carbonate (2.12 gm in 100 ml distilled water) and 230 ml of 0.2 M sodium bicarbonate (4.12 gm in 250 ml distilled water) to make up the volume 250 ml with pH 9 -9.2 2. 5 N sodium hydroxide solution (10 gm in 50 ml distilled water) 3. Substrate stock solution: Dissolve 0.1 gm of p-nitrophynyl

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    Title:Extraction:Extraction with acid and alkaline Objective: 1. To recover benzoic acid and p-dichlorobenzene from its mixture using acid-alkaline extraction. 2. To determine the percentage recovery and melting point of benzoic acid and p-diclorobenzene. Apparatus:Separatory funnel(250mL)‚Buchner funnel‚beaker. Materials:Benzoic acid‚p-dichlorobenzene‚ether‚10% NaOH‚conc.HCl‚distilled water‚ anhydrous CaCl2. Introduction: Organic compounds in an aqueous mixture can be separated

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    reaction of Alkali metals and Alkaline Earth meatals are compared in this lab. The pH of each of the resulting metal solutions are tested and the products of the reaction between calcium and water is discovered. The tested elements are sodium‚ lithium‚ potassium and calcium and each of them were placed in a beaker filled with water. The resulting solutions pH levels were tested with litmus paper. There were more steps for caclium because it is the only Alkaline Earth metal. For calcium‚ the gas produced

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