Copper toxicity From Wikipedia‚ the free encyclopedia Jump to: navigation‚ search Copper toxicity | Classification and external resources | A Kayser-Fleischer ring‚ copper deposits found in the cornea‚ is an indication the body is not metabolizing copper properly. | ICD-10 | T56.4 | ICD-9 | 985.8 | MedlinePlus | 002496 | Copper toxicity refers to the consequences of an excess of copper in the body. Copper toxicity can occur from eating acid foods cooked in uncoated copper cookware
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Experiment: • Electrodes (metal strips of Zn and Cu) • Electrolytes (both sulfate solutions) • Volume of solutions used in the galvanic cell • Length of saltbridge • Saltbridge solution (0.1 M KCl solution) • Surface area of electrode dipping into the electrolyte solutions. Procedure: 1. Use 2x 50 mL beakers to make up the following half cells‚ fill with 25 mL 1M zinc sulfate and 1M copper sulfate solution in each beaker. 2. Use one 50 mL beaker‚ fill with 30 mL of 0.1M potassium
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Experiment 1: Isolation of Casein from Milk * pH of milk – 6.6 * milk = 87.1% water‚ 4.9 % CHO 3.9 %‚ fats‚ 0.7% minerals Experiment 2: Protein Hydrolysis and Characterization | Reagents | Principle | Test for | Positive Result | Negative Result | Biuret | CuSO4‚ NaOH | Complexation of Cu+2 with amide N atoms | Polypeptide bonds | Violet/purple solution | Blue color solution | Sakaguchi | 10% NaOH‚ 0.02% α-naphtol solution‚ 2% NaOBr | arginine condenses with α-naphtol and NaOH
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factors affecting solubility 1. Effect of Temperature For some substances to dissolve in a given solvent‚ heat is absorbed. The reaction is endothermic. In this case‚ an increase in temperature increases solubility. For some substances‚ heat is released when they dissolve in a given solvent. The reaction is called exothermic. In this case‚ an increase in temperature decreases solubility. Generally‚ an increase in temperature in the solubility of solids in liquids increases solubility. But for
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Complete a data table that includes a prediction of reaction type‚ observations‚ and identification of reaction type for each reaction in the lab. (10 points) Reactants Prediction of Reaction type Observations Reaction Type Iron (III) and Copper (II) Sulfate Solution Single replacement Solids stay concentrated at the bottom Single replacement Lead (II) Nitrate and Potassium Iodide Solutions Double replacement Yellow powder collected at bottom Double replacement Magnesium Metal Ribbon and Hydrochloric
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contents. For part 2‚ the mass of the anhydrous CaSO4 and water were also converted into moles and utilized to compute the molar ratio of the unknown sample. The ratio for these samples were calculated at a low 2:1 and a high of 12:1‚ water to calcium sulfate; the empirical formulas were CaSO4·2H2O and CaSO4·12H2O respectively. The determined percent mass of hydration was 19.85% and
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cobalt II nitrate into seven wells in one row‚ copper II nitrate into another row‚ iron III nitrate into a third row‚ barium nitrate into a fourth row‚ and nickel II nitrate into a fifth row. Then I added 2 drops of sodium phosphate into each of the wells containing the chemicals and documented to reactions. I repeated this procedure of adding 2 drops into each row of different chemicals with the following chemicals; sodium iodide‚ sodium sulfate‚ sodium chloride‚ sodium bicarbonate‚ sodium carbonate
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Aqueous Solutions Reactions‚ Metathesis (Double Replacement) Reactions and Net Ionic Equations Terrance Shelton Introduction India’s cultural treasure and biggest tourist attraction is slowly losing its magnificent appeal due to decades of acid rain. The walls of the Taj Muhal are composed of a marble-like substance ( CaCO3) that corrodes and eventually crumbles when reacted with acid rain(H2SO4). Not only is the Taj Muhal suffering‚ but also other historic landmarks across the world. This is
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reactants will completely be ran out of‚ the reaction is done. So the limiting reactant is the key to start and finish the chemical reaction. B. Procedures and Materials In this Lab‚ we used different procedures and Materials. We had 12.53 gram of copper sulfate pentahydrate and
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produce the gases carbon dioxide and sulfur dioxide‚ what volume of each product is produced? 4. Assume that 5.60 L of hydrogen gas at STP reacts with copper (II) oxide according to the following balanced equation: CuO (s) + H2 (g) à Cu (s) + H2O (g) a. How many moles of H2 react? b. How many moles of copper are produced? c. How many grams of copper are produced? 5. Assume that 8.5 L of iodine gas (I2) are produced at STP according to the following balanced equation: 2 KI (aq) + Cl2 (g) à 2 KCl (aq)
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