How Does This Thing Work? It operates on a 100 year old proven technology called electrolysis. Whenever you place two pieces of metal in water‚ and apply electricity‚ the water separates into it’s basic molecules‚ Hydrogen and Oxygen (H2O). If you look at the picture on the left‚ you will see H2O molecules connected together in their liquid form which is WATER But when you apply electricity (from your car battery)‚ the molecules separate and form a GAS (called HHO) which is a mixture of
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and twenty –four hour urine samples was collected in a 20µl of 20% sodium azide as a preservative. All the animals had free access to drinking water during the urine collection period. After measuring urinary volume‚ urine was analysed for calcium‚ oxalate‚ phosphate and magnesium. 4. Body weight of rats The body weights of each rat in various groups were estimated once before the treatment and after the end of the treatment for the respective doses. The relative body weight (RBW) of each animal
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Renal Calculi Kristan Michele Heil Our Lady of the Lake College Renal Calculi Renal calculi‚ commonly called kidney stones‚ are one of the most common‚ painful disorders of the urinary system. The condition of having kidney stones is referred to as nephrolithiasis. These stones are usually formed inside of the kidney and can be composed of various elements collected in the human body. Some stones may pass right through the urinary system never causing a problem‚ while others may cause
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Wh Mia Foust Mr. Dunlap Honor Chemistry‚ Per 7 December 21‚ 2010 Glow Sticks Since glow sticks have been invented‚ consumers have wondered how scientists are able to create these magical sticks of light. They work without producing heat. They don’t need a battery or a bulb‚ Magic? This “cool” light is called luminescence. Unlike incandescence‚ which is light from heat energy‚ luminescence can be emitted at normal or lower temperatures. There are several
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Hestia Livana Partners : Rachel Gideon‚ Joy Boake‚ Hannah Harper Various Color of Light as the Effect of Electron Emission Objective Observe the characteristic colors produced by certain metallic ions when vaporized in a flame. Identify the unknown metallic ions by means of its flame tests. Background When atoms absorb energy‚ electrons move into higher energy levels‚ and these electrons lose energy by emitting light when they return to lower energy levels. Energy levels are fixed energies
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Experiment 4 Guide Questions for Discussion Iron-Silver Equilibrium 1. Give the balanced net ionic equation for the reaction between Fe2+ and Ag+. What is the chemical formula of the gray precipitate? Answer: Fe2+(aq) + Ag+ (aq) Fe3+(aq) + Ag (s) The formula of the precipitate is Ag(s). 2. Give the balanced net ionic equation for the reaction of Fe2+ with Fe(CN)63-. a. What is the chemical formula of the Prussian blue precipitate? b. How does
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Purposes of Experiment: To synthesize a transition metal complex‚ potassium tris (oxalate)ferrate(III) trihydrate in a two step process‚ to learn new laboratory techniques such as decantation‚ recrystallization‚ gravity and suction filtration. Also the purpose of the experiment is to determine the actual‚ theoretical‚ and percent yields of product‚ and characterize the final compound by determining the number of waters of hydration by gravimetric analysis List of Observations: After adding
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The mechanism of the reactions of coordination compounds relevance to enzyme reactions where the active site is being involve in coordination to a metal ion. PROCEDURE: (A) Preparation of Trans-Dichlorobis(ethylenediamine)cobalt(III) chloride 1. About 16g of cobalt(II)chloride hexahydrate is dissolved in 50ml of distilled water in 250ml of Erlenmeyer flask. 2. 60ml of 10% solution of ethylenediamine is added into the flask. 3. A vigorous stream of air is being drawn through the solution
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ion. Under normal circumstances this ion breaks down slowly giving off oxygen gas and the chloride ion‚ . In order to speed up this reaction a catalyst is needed. In this experiment the catalyst used was cobalt (II) nitrate solution. When this is added to the bleach a black precipitate of cobalt (III) nitrate is formed which acts as a catalyst for the decomposition of The purpose of this experiment was to determine how concentration of reactants and temperature affect
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The Urea test was used to test both Unknown Gram-positive and Unknown Gram-negative bacteria. One colony of bacteria was used from the Unknown 13A plate and Unknown 13B plate in order to inoculate the Urea Slant. After the slant was inoculated‚ the cultures were placed in an incubator at 35ºC for Gram-positive bacteria‚ and 37ºC for Gram-negative bacteria for a total of 48 hours. If the Urea test were positive‚ the color of the slant would have changed to a hot pink color‚ which indicated the bacteria’s
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