Sodium chloride

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    The problem being tested is how do different chemicals, such as ammonium chloride, calcium chloride, and sodium chloride, affect the temperature of the water? The hypothesis being studied is, if three grams of calcium chloride is mixed with 50.0mL of water, then the temperature will decrease because there are more atoms in calcium chloride than in ammonium chloride and sodium chloride. The independent variables is the type of chemical and the dependent variable is the change in the temperature of the water. In this experiment, problem being tested was as follows; how do different chemicals, such as ammonium chloride, calcium chloride, and sodium chloride, affect the temperature of the water? It was predicted that if three grams of calcium…

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    Synthesis of reactive iron Chemical reduction method of Ferric chloride by sodium borohydride following reaction (Eq.1), was used to synthesize ZVI [14]. 〖2FeCl〗_3+〖6NaBH〗_4+〖18H〗_2 O→〖2Fe〗^0+〖21H〗_2+〖6B(OH)〗_3+6NaCl (1) Ferric chloride hexahydrate solution was prepared by dissolving 5 g of FeCl_3.H_2 O (99.0%, Junsei Chemical Co., Japan) in 125 mL of deoxygenated deionized (DI) water. Moreover, 3.5 g of Sodium borohydride (NaBH_4, 98.0%, Sigma–Aldrich Inc., USA) were dissolved in 125 mL…

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    Iron Powder Lab Report

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    attract the Iron and leaving the Sulfur behind. The separation of Sulfur and Iron powder is successfully accomplished because of the property of attraction. Since Iron is a metal, it has a positive charge and one side of the magnet has a negative charge. Two opposite charges get attracted to each other and that is how the Iron was attracted to the Magnet. When it comes to the separation of Sand and Sodium chloride, they were separated because of the unique property of Sodium Chloride which is…

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    opposite charge. Sodium Chloride and Potassium Bromide are both salts that have an ionic compound. Both elements have the properties of salts which include soluble in water, conductive, and a relatively high melting point. Molecules and Sugar molecules are covalent compounds. A covalent compound is made when two or more nonmetal atoms bond. They bond by sharing valence electrons. The shared valence electrons is called a covalent bond. Covalent bonds are formed when two atoms begin sharing…

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    a substance that is not aqueous was formed. The reactions that did not form a precipitate were DNR, which means that they did not react. At station one barium chloride and potassium nitrate did not react but barium chloride and silver nitrate reacted to form barium nitrate and silver chloride. The precipitate at station one was silver chloride. Both reactions at station two did not react. Station three had a reaction occur between sodium carbonate and calcium sulfate forming sodium sulfate and…

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    in 100 milliliters of water. Before boiling the tea bag, the tea bag was placed in a 250 milliliters Erlenmeyer flask and 0.3 grams of sodium carbonate was added in. Sodium carbonate prevents caffeine from…

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    The positive Na+ ions were attracted to the oxygen (negative) end of the water molecules, and the negative Cl- ions were attracted to the hydrogen (positive) end of the water molecules. As an end result, the ionic bond between the sodium and the chloride was broken. CuSO4(s) ⇔ Cu+2(aq) + SO4-2(aq) Like the sodium chloride, the copper sulphate was split into its individual ionic components. The positive Cu+2 ions were attracted to the oxygen (negative) end of the water molecules, and the…

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    To carry out the experiment we need to get caffeine into a solution. We used a solid-liquid extraction by adding 14 tea bags into a 1L beaker with 6g of sodium carbonate, 250 mL of tap water and bringing this to a boil for five minutes on a hot plate. Sodium carbonate is a weak bronsted base, that neutralizes tannic acids extracted from tea, that interfere with the later sublimation operation.(1) We turned the heat off after five minutes, added ice cubes to cool the mixture to room…

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    III: TRIAL 1 TRIAL 2 Mass of sample KNO3 1.039g 1.041g Drops of AgNO3 27 drops 28 drops 1. Net ionic eq. for formation of solid silver chloride from aqueous solution NaCl(aq)+AgNO3(aq)→ NaNO3(aq)+AgCl(s) Na+(aq)+Cl-(aq)+Ag+(aq)+NO3-(aq)→ Na+(aq)+NO3-(aq)+AgCl(s) Cl-(aq)+Ag+(aq)→ AgCl(s) 2. Net ionic eq. for formation of solid silver chromate from aqueous solution K2CrO4(aq)+2AgNO3(aq)→ 2KNO3(aq)+Ag2CrO4(s) 2K+(aq)+CrO42-(aq)+2Ag+(aq)+2NO3-(aq)→ 2K+(aq)+2NO3-(aq)+Ag2CrO4(s)…

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    Cassamajor, Kimberly P1 R1 S4 Science Fair Research Paper Honors Chemistry Group Number 8 Research Paper The science fair topic at hand is whether or not chemical compounds affect water 's heat resistance/reception. In other words, how does the temperature of water (H2O) change when chemical compounds - such as sodium chloride and sucrose - are added? In this experiment, the independent variable is the chemical compound being tested while the dependent variable is the temperature of the…

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