are required for Calcium carbonate precipitation Abstract: Introduction: Different minerals precipitation by microbes is a common phenomenon‚ and carbonates are most common mineral formed. Many micro-organisms are having the ability in undergoing the process of mineralization‚ although different minerals have been precipitated by microbes which include carbonates‚ sulphates‚ silicates etc [1]. Amongst all these‚ carbonates are the most common minerals formed. Carbonate precipitation has been applied
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Making Sodium Chloride Equipment: Method: 1. Firstly‚ safety measures were taken by putting on laboratory coats‚ wearing safety goggles and tying long hair back. This was to protect clothing‚ eyes and to avoid burning as the experiment included dealing with open flames. 2. The equipment needed (as shown and labelled in picture A) was collected. 3. Using a measuring cylinder for each‚ to be exact with measurements‚ we measured out 10cm³ of HCl and 10cm³
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Lithium‚Sodium‚Potassium‚Rubidium‚Caesium and Francium are all part of group 1.They are metals that can be easily cut.After being cut‚it is shiny but it quickly tarnishes due to the fact that the metal reacts quickly with oxygen or water.The shiny surfaces of Sodium quickly tarnishes more quickly than Lithium and Potassium more tarnishes more quickly than Lithium.This shows that the reactivity increases as we move down the group. Figure 1 Elements Melting point Boiling point Thermal
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INTRODUCTION Sodium hypochlorite is considered one of the most efficient irrigant in endodontics 1-4. Due to its antimicrobial‚ tissue dissolving properties and low cost‚ it is one of the most widely accepted irrigant in Endodontic practice 5-8. Sodium hypochlorite as a solution is relatively an unstable compound. On exposure to organic compounds‚ heat‚ light‚ air and metals‚ the available chlorine ions reduce and there is subsequent loss of tissue dissolving and antimicrobial properties 9-10. Recent
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Sodium Zeolite Softening Introduction Cation Exchanger Bead + + + + + - -+ -+ + + + + -+ + + - -+ -+ + - + + -+ Ion exchange is the process in which materials exchange one ion for another‚ hold it temporarily‚ and release it to a regenerating solution. These materials are widely used to treat raw water supplies that contain dissolved salts. Today‚ the most commonly used material is an ion exchange resin. Resins are plastic beads to which a favorable
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Results and discussion: I. a. How would you compare that relative reactivity of Na and k -Sodium and potassium react somewhat similar when reacting with water however they are slightly different. Sodium moves because of the hydrogen coming off of it and has a low melting point while potassium’s reaction is faster and enough heat is produced to set light to the hydrogen coming off of it. Each leaves a pink color hue in the water. Discuss the similarities and differences in the behavior of the metals
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more efficient sources of power. At the forefront of research for these power sources are hydrogen fuel cells. This power source takes in the most abundant element in the universe‚ Hydrogen‚ and yields immense power without combustion or pollution. The three aspects of this scientific breakthrough are the fuel cells‚ hydrogen production‚ and hydrogen storage. Fuel cells are the devices with which Hydrogen is made into electricity. These use a technology much similar to that of something we are
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Algae Could Solve World’s Fuel Crisis Von Philip Bethge Dan Robertson is working on algae that can produce biofuel. Genetically modified blue and green algae could be the answer to the world’s fuel problems. Bioengineers have already developed algae that produce ethanol‚ oil and even diesel -- and the only things the organisms need are sunlight‚ CO2 and seawater. For reasons of data protection and privacy‚ your IP address will only be stored if you are a registered user of Facebook and you
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RED is taking its knowledge of high-quality cinema cameras to the smartphone industry with a new product. The Hydrogen One is RED’s bet to revolutionize the use of smartphones. Back in 2006‚ when RED was founded and showed its intent on delivering high-performance digital cinema cameras with quality of 35mm film and the convenience of pure digital‚ many people were skeptical and some even considered it a “scam”. After a 10-years background of providing unique high-quality cinema cameras with high-usage
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of a component causes the equilibrium to shift to the side from which the component was removed. D. Is this reaction endothermic or exothermic? How do you know? When acid is added to water the reaction is strongly exothermic. Because the hydrogen ion is so tiny‚ a large amount of charge is concentrated in a very small
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