TiO2+Cl2-----------------TiCl4+O2 2.Why is an atmosphere of argon used for this reaction ? The titanium (iv) chloride is added to a reactor in which very pure sodium has been heated to about 5500c -everything being under an innert argon atmosphere.During this reaction the temperature increases to about 10000 c . The reaction is carried out in an argon atmosphere to prevent magnessium and sodium from reacting with oxygen in the air. 3.Another gas used instead of argon. any of the elements in group O of the periodic table including
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equations. Equations with sulfide and carbonate will produce dihydrogen sulfide and carbon dioxide respectively. Redox reactions are the gain or loss of electrons by a substance throughout a chemical reaction. Oxidation is the loss of electrons and reduction is the gain of electrons OIL RIG is a good abbreviation to remember redox reactions. All of these reactions are present in the experiment we conducted during lab‚ in which we mixed 16 pairs of chemicals and recorded the observations to determine
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substances appears in boxed frames. Chemicals Solutions of Anions: Sodium chloride‚ NaCl‚ 0.2 M Sodium bromide‚ NaBr‚ 0.2 M Potassium iodide‚ KI‚ 0.2 M Sodium sulfate‚ Na2SO4‚ 0.2 M Sodium carbonate‚ Na2CO3‚ 0.2 M Sodium nitrate‚ NaNO3‚ 0.2 M Test Reagents: Silver nitrate‚ AgNO3‚ 0.1 M Ammonia‚ NH3‚ 6 M Nitric acid‚ HNO3‚ 6 M Potassium permanganate‚ KMnO4‚ 0.1 M Mineral oil Sodium hydroxide‚ NaOH‚ 6 M Barium hydroxide‚ Ba(OH)2‚ saturated Barium chloride
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Extractive Metallurgy Minerals are naturally occurring chemical substances in the earth’s crust obtainable by mining. Out of many minerals in which a metal may be found‚ only a few are viable to be used as sources of that metal. Such minerals are known as ores. Examples: Galena‚ PbS‚ etc. It is usually contaminated with earthly or undesired materials known as gangue. The extraction and isolation of metals from ores involve the following major steps: • Concentration of the ore‚ • Isolation of the
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Dehydrating Agent: Dehydration of ethanol: ethanol ethylene + water C2H5OH (l) C2H4 (g) + H2O (l) Dehydration of sucrose: sucrose carbon + water C12H22O11 (s) 12C (s) + 11H2O (l) Oxidising Agent: The oxidation of copper into copper ions: FULL: Oxidation: Reduction: Cu (s) + 2H2SO4 (aq) CuSO4 (aq) + SO2 (g) + 2H2O (l) Cu (s) Cu2+ (aq) + 2e− H2SO4 (aq) + 2H+ (aq) + 2e− SO2 (g) + 2H2O (l) H2SO4 (l) + H2O (l) HSO4− (aq) + H3O (aq) ΔH = -90 kJ/mol Sulfuric Acid IONISATION: Step ONE: Step TWO: HSO4− (aq)
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Dixon‚ an American specialty chemical producer‚ wants to buy Collinsville plant from American Chemical Corporation‚ another typical chemical company in 1979. Dixon wants to diversify its product line buy acquiring the aforesaid plant‚ which produces sodium-chlorate to supply to paper producers in Southeastern part of the US. This plant initially cost 12 mln. USD and additional 2‚25 mln. USD needed to buy laminate technology to increase efficiency and profitability of the plant in order. Dixon has conducted
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Sodium‚ Hypertension‚ and an Explanation of "Lag Phenomenon" in Hemodialysis Patients Author: Zbylut Twardowski‚ MD‚ PhD I. INTRODUCTION Healthy kidneys clean your blood by removing excess fluid‚ minerals‚ and wastes. They also make hormones that keep your bones strong and your blood healthy. When your kidneys fail‚ harmful wastes build up in your body‚ your blood pressure may rise‚ and your body may retain excess fluid and not make enough red blood cells. When this happens‚ you need treatment
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important safety feature in vehicles. Sodium azide‚ potassium nitrate and silicon dioxide have been used in one design of airbag. [Source: www.hilalairbag.net] Sodium azide‚ a toxic compound‚ undergoes the following decomposition reaction under certain conditions. 2NaN 3 (s) → 2Na (s) + 3N 2 (g) Two students looked at data in a simulated computer-based experiment to determine the volume of nitrogen generated in an airbag. (a) Sodium azide involves ionic bonding‚ and
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people with “mild hypertension”. The study showed that the participators with mild hypertension showed a “significant decrease in stiffness of large elastic arteries‚ improvement in left ventricular diastolic function and endothelial function‚ and reduction in left ventricular mass” after consuming potassium bicarbonate for 12 weeks straight (Sircus‚ 2016). Potassium bicarbonate outer appearance can be described as a white granular powder and soluble in water but not in alcohol. More importantly‚ potassium
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a series of reactions • Determine the stoichiometry of an oxidation-reduction reaction in which the reactants are known but the products are unknown Materials • Lab Quest • Lab Quest App • Temp. Probe • Two 10mL graduated cylinders • Two 25mL graduated cylinders • Two 50 mL graduated cylinders • Three 250mL beakers • 0.50 M sodium hypochlorite‚ NaOCI • 0.50 M sodium thiosulfate‚ Na S O • 0.2 M sodium hydroxide‚ NaOH • Styrofoam Cups Procedure Submitted as the carbon-less
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