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    Hydrate Lab

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    The substance was stirred until dissolved. The liquid solution produced a blue color as soon as the cupric sulfate dissolved. Prior to this 1.127 grams of Zinc was gathered along with Hydrochloric acid. Both the Zinc and Hydrochloric acid were poured in gradually creating a reaction. A stirring rod was used to stir this while the reaction occurred. Figure 2 shows the reaction in action. Before long less Zinc became visible at the bottom of the beaker. Copper became…

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    The purpose of this lab is to calculate a value for Avogadro’s number and compare it to the actual value for Avogadro’s number. Avogadro’s number will be determined by setting up an electrochemical cell to oxidize a copper electrode. The results of the amount of copper deposited and the average current used will be used to calculate a value for Avogadro’s number. Techniques used: In this experiment, different techniques will be used to collect the required data, such as taking the mass of…

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    The purpose of this experiment was to see how single-replacement reactions change the physical matter of the original reactants. Hypothetically, the use of 2.120g of CuCl2 should react with the iron nails forming exactly 1 gram of copper. Upon starting the lab process, there was a displacement of 2.120 grams of CuCl2 into the plastic cup containing 50 ml DI water before joining the two iron nails. After the solution sat overnight, the iron nails became black in exterior color, orange copper…

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    Biochemical Test Essay

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    Biochemical tests are used to detect the presence of different kinds of organic molecules, carbohydrates, lipids, nucleic acids, and proteins. These tests include the Benedict’s Test, Iodine Test, Sudan III Stain Test, Biuret Test and many others. With these tests, the nutrients from an unknown solutions can be identified in the solution. The Benedict’s test is used for identifying reducing sugars, which are simple sugars that include monosaccharides and some disaccharides. The Benedict’s…

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    3. Results and discussion 3.1. XRD analysis The X-ray diffraction (XRD) pattern of Sn-substituted Ni-Zn ferrites with the chemical composition of Ni0.6-x/2Zn0.4-x/2SnxFe2O4 (NZSFO) are shown in Fig. 1. The XRD spectra were indexed and fcc cubic phase was identified. The structural parameters are calculated from the XRD data and have been discussed in Ali et al [6]. The lattice constants are calculated from the XRD data and represented in Table 1. The distances between the magnetic ions at…

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    Copper Created Lab Report

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    Was More Copper Created? Harshal Patel* and Isaac Cenoz Chem 111-491 Introduction: Copper is one of the most important and diverse elements found in nature all over the world because it can be chemically reacted with many other elements and compounds. The purpose of this experiment was to identify the different reactions that occurred through the lab and the different types of reactions. Throughout the lab, copper was put through series of reactions to see the different combinations and how its…

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    Results Table 1 – Reactions and evidence of the reaction occurring Steps Reaction and chemical equation Evidence for the reaction 1 Copper (s) + Nitric acid (aq) Nitrogen dioxide(g) + water (l) Cu(s)+4HNO3(aq) (CuNO3)2+2NO2(g)+H2O(l) - Colour change from blue to green - Orange gas was emitted 2 Copper nitrate (aq) + Sodium Hydroxide (aq) Copper Hydroxide + Sodium Nitrate Cu(NO3)2(aq)+2NaOH(aq) CuOH(s)+2NaNo3(aq)…

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    To begin the reaction,1ml of acetic acid was added to 0.1g p-dimethoxybenzene and 0.20ml of t-butyl alcohol in a test tube. The solution was mixed and placed in an ice bath. Approximately 34 drops of sulfuric acid from a plastic pipette dropper was slowly added to the solution. The solution remained under the ice bath during this addition to control heat production. The reaction…

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    ABSTRACT The reactivity of acid base cements forming hydroxyapatite (HA) such as, β-tricalcium phosphate (β-TCP) and dicalcium phosphate dehydrate (DCPD). Amorphous calcium phosphates, prepared by precipitation from supersaturated solutions, can also react to form apatitic cements since they are thermodynamic unstable with respect to HA and have a setting reaction more independent of particle size. Calcium phosphate cement containing an antibiotic can be used for filling bone defects and to…

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    Dug Wells Research Paper

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    electrolytes in their cell structures. In humans this balance is regulated by hormones. Disruption of this balance leads to health problems. Electrolytes are useful for electrical batteries and fuel cells. Electrolytes commonly exist as solutions of acids, bases, or salts. Some gases act as electrolytes under conditions of high temperature of low pressure. Solutions are formed when a salt is placed into a solvent such as water. An electrolyte solution may be described as concentrated if it has a…

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