Section Assignment 3.4 Part F – The Reaction of Iron Nails with a Copper Solution Introduction: The experiment in this activity involves the reaction between a copper (II) chloride solution with iron nails and the mole ratios involved in the reaction. Measurements are taken to determine the moles of each reactant involved in the reaction and thus the number of atoms or molecules involved. Apparatus and Materials: Refer to the reaction of iron nails with a copper solution assignment in Module
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is affiliated with Columbia University’s College of Physicians and Surgeons (CU) and known as NewYork-Presbyterian / Columbia University Medical Center. NYP and CU have joined to create and operate one of the world’s top academic medical centers. This hospital provides world-class treatment in almost every medical specialty. Also
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to be compared in this study are as follows: cysteine‚ Cu (II)‚ silver nanoparticles (AgNPs)‚ and zinc sulfide nanoparticles (ZnS-NPs). The first experiment focused on the reaction between alkaline luminol H2O2‚ the most common luminol solution‚ and cysteine‚ one of the twenty essential amino acids. In this experiment‚ 105 g=mL cysteine solution‚ 2.0 105 mol=L Cu(II) solution‚ and the mixture of 1.0 105 g=mL cysteine with 2.0 105 mol=L Cu(II) were tested. However‚ no
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errors. II. Hypothesis: /3 -If the copper metal is submerged in the silver nitrate solution then in reaction‚ a pure‚ solid (Ag) silver product is created with an excess of (Cu (NO3)2) copper (II) aqueous liquid because a single displacement reaction occurs where the balance equation is then 2AgNO3 + Cu(s) 2Ag + Cu (NO3) 2 III. Materials * 1 pair of gloves * 1 pair of safety glasses * 1 (10 cm) Copper Wire * 1 Plastic container * 1 bottle of 0.50 AgNO3
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this method of analysis was practical in identifying the concentration of Cu(II) solution. ------------------------------------------------- INTRODUCTION The goals of the experiment were to apply the spectrophotometry in the quantitative analysis of copper (II) solutions‚ operate a spectrophotometer and measure transmission properties of solutions‚ and
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Cu(s) + 4HNO3(aq) --- Cu(NO3)2(aq) + 2H2O(aq) + NO2(aq) 2. HNO3(aq) + NaOH(aq)--NaNO3(aq) + H20(l) 3. Cu(OH)2(s)--CuO(s) + H2O(l) 4. CuO(s) + H2SO4(aq)-- CuSO4(aq) +H2O(l) 5. CuSO4(aq) + Zn(s)-- ZnSO4(aq) + Cu(s) At the end of reaction number five we should have close to 100% of the copper we started out with. Result Original Mass of Cu=.452g Mass of Cycled Cu=2.483g 1. In the first reaction oxidation-reduction occurs there were a brown smoke has the Cu dissolves
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Emer is a figure of importance – she is Cú Chulainn’s wife‚ who only would marry a woman equal to him. Emer possessed all the good virtues a wife should have. Emer’s influence can be first found in the tale of The Wooing of Emer. Cú Chulainn is the one after her‚ so she set up some quests form him. If he were successful‚ she would marry him. While it is true that a hero needs to perform dangerous quests to raise his fame‚ he respects Emer proposal and he is true to his word when he promised that
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PSY-310 Dr. Erica St.Germain SNHU Callous-unemotional traits and future offending Callous-unemotional (CU) traits are a known aspect of psychopathic personalities in adults. What this study sought to prove was that CU traits were a predictor of future criminal offending. Although prior criminal history is the greatest predictor of future offending‚ this study showed that self-reported CU traits in elementary age males are “a unique and robust predictor of future offending‚ even after controlling
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Ocean County College Department of Chemistry Chem 180 Lab 5: Ionic Reactions Submitted by Abstract: The purpose of this experiment is to work with aqueous solutions of ionic substances. Aqueous solutions are those solutions in which water is the solvent. When ionic substances are dissolved in water‚ the ions separate and become surrounded by water molecules. The focus of this experiment is on precipitates. The goal of this experiment is to study the nature of ionic reactions‚ write balanced
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very thin and the common thickness is 0.1mm. * Multi layer Board (MLB‚ 4L‚6L‚8L‚12L‚16L ) : :The ckt density is high compare to D/S for inner layer made of special laminate is used for bonding purpose ( Prepreg). The inner layer is etched “CU” and outer layer is Non- etched ckt. After lamination or pressing the boards are drilled and plated like PTH D/S. Process Flow chart for Single Side P.C.B. Sheet Cutting Film master preparation Screen Preparation Drying Screen Printing
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