Your search returned 200 essays for "copper sulphate solution":
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Electrolysis of Copper in Copper Sulphate Solution

- Electrolysis of Copper in Copper Sulphate Solution Introduction Aim This is an investigation into how temperature affects the amount of copper lost from the Anode and gained on the Cathode during electrolysis. Electrolysis is… The chemical change by passing electric charge through certain conducting liquids (electrolytes). The current is conducted by migration of ions - negative ones from the Anode (positive electrode), and positive ones to the Cathode (negative electrode)....   [tags: Papers]

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Volume's Effect on a Copper Sulphate Solution

- Volume's Effect on a Copper Sulphate Solution We are trying to find out if the current though a copper sulphate solutions volume is increased. To find this information out I shall perform an experiment using the following equipment; · 1 power pack · 1 beaker · 2 carbon rods for anode and cathode · 1 ammeter · 1 measuring cylinder · 2 crocodile clip wirers I shall also be using 60cm3 volume of copper sulphate in my preliminary results to decide upon the concentration of copper sulphate and the voltage I shall use....   [tags: Papers]

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An Investigation Into The Effect Of An Electric Current On Copper Sulphate Solution

- An Investigation Into The Effect Of An Electric Current On Copper Sulphate Solution Aim In this experiment my aim is to enforce and develop ideas about the investigation into the effect of an electrical current through copper sulphate solution. Safety - Electricity is dangerous - Aware of coppers sharp edges - Long hair tied back - Use of acids in experiment Diagram 1) Weigh the cathode 2) Set up apparatus below 3) After a minute, remove the copper and shake off the excess copper sulphate solution....   [tags: GCSE Chemistry Coursework Investigation]

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To investigate the temperature change in a displacement reaction between Copper Sulphate Solution and Zinc Powder

- To investigate the temperature change in a displacement reaction between Copper Sulphate Solution and Zinc Powder Preliminary Experiment: Correlating Magnesium Powder and Copper Sulphate Solution ========================================================= I will mix 4cm of Magnesium ribbon and 50cm³ of Copper Sulphate Solution into a polystyrene cup until I find a reaction. =============================================================== Prediction ========== The magnesium will displace the copper and the temperature will rise....   [tags: GCSE Chemistry Coursework Investigation]

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Investigating the Temperature Change in a Displacement Reaction between Copper Sulphate Solution and Zinc Powder

- Investigating the Temperature Change in a Displacement Reaction between Copper Sulphate Solution and Zinc Powder I will mix 4cm of Magnesium ribbon and 50cm³ of Copper Sulphate Solution into a polystyrene cup until I find a reaction. The magnesium will displace the copper and the temperature will rise. Magnesium + Copper Sulphate → Copper + Magnesium ------------------------------------------------ Mg + CuSO4 → Cu + MgSO4 Hypothesis ========== The Magnesium will displace the Copper and rise in temperature because it is more reactive and it is an exothermic reaction....   [tags: Papers]

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An Investigation into Electrolysis - Copper Sulphate

- An Investigation into Electrolysis - Copper Sulphate Introduction Decomposition caused by electricity is called electrolysis. The electrical energy causes a chemical change. When a salt is dissolved in water, its ions become free to move so the solution can be "electrolyzed." The products of the electrolysis depend on the chemical solution, its strength and the type of electrode. The cathode is negatively charged and therefore attracts to it positive ions. E.g. hydrogen. The more reactive substance stays in the solution whereas the less reactive is released and appears as a gas (hydrogen) or a coating of metal....   [tags: Papers]

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The Electrolysis of Copper Sulphate

- The Electrolysis of Copper Sulphate Aim Analyse and evaluate the quantity of Copper (Cu) metal deposited during the electrolysis of Copper Sulphate solution (CuSo4) using Copper electrodes, when certain variables were changed. Results Voltage across Concentration of solution electrode 0.5M 1.0M 2.0M 2 5.0 10.6 19.5 4 10.5 19.8 40.3 6 14.3 26.0 60.2 8 15.2 40.4 80.3 10 15.0 40.2 99.6 12 15.1 40.0 117.0 Analysing/Conclusion The input variables in this experiment are; concentration of the solution and the voltage across the electrodes....   [tags: Papers]

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Investigating the Effect of Copper Sulphate on Amylase Activity

- Investigating the Effect of Copper Sulphate on Amylase Activity Aim The aim of my experiment is to observe the affect on amylase when adding copper sulphate to a starch solution. Introduction Enzymes are that act as catalysts, in other words they increase the rate of chemical reactions. Consider the following general reaction between two substances, A and B, which react together to form a product, substance C: A + B = C In biological systems, this reaction might occur very slowly, or not at all, in the absence of an enzyme....   [tags: Papers]

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Investigation of the Factor that Affects the Change in Temperature Between Iron and Copper Sulphate

- Investigation of the Factor that Affects the Change in Temperature Between Iron and Copper Sulphate In this investigation I am going to investigate a factor that effects the change in temperature between copper sulphate solution and iron filings. The variable involved in this investigation are: · The volume of copper sulphate · The mass of iron filings added · Rise in temperature · Concentration of the copper sulphate In this in investigation my input variable that I am going to change will be the mass of iron filings that I will place into the copper sulphate solution to see how the change in mass effects the rise in temperature of the solution....   [tags: Papers]

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The Factors that Affect the Temperature Change Between Copper Sulphate and Iron Filings

- The Factors that Affect the Temperature Change Between Copper Sulphate and Iron Filings Aim The aim of this piece of coursework is toinvestigate the factors that affect the temperature change between Copper Sulphate and Iron filings. Affecting factors Ø The concentration of Copper Sulphate Solution (CuSO4) Ø The amount of Iron filings (Fe) used I have chosen to experiment using the 1st factor I will have to change the concentration of the Copper Sulphate Solution (CuSO4) Prediction I predict that the higher the concentration of CuSO4 the higher the concentration the higher the temperature rise....   [tags: Papers]

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The Effects of the Distance Between Two Plates in Copper Solution on the Current

- The Effects of the Distance Between Two Plates in Copper Solution on the Current Introduction I am investigating the relationship between the distance between two metal plates in a copper sulphate solution and the effect it has on the electrical current across the two plates. Scientific Knowledge Resistance is the amount a substance resists the flow of charge flowing through it. How Resistant a substance is depends on 4 things: 1. The length of the wire- the longer the wire the bigger the resistance; if you double the length you double the resistance....   [tags: Papers]

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Investigating The Electrolysis of Copper

- Investigating The Electrolysis of Copper Two copper electrodes are cleaned, dried, weighed and attcahed to a power pack. One is attatched to the anode and the other is connected to the cathode. Then both the copper electrodes are placed in a beaker of copper sulphate solution (which is acting as the electrolyte) and the power pack is turned on. After a certain amount of time the copper electrodes are detached and the cathode washed in distilled water, then acetone and weighed when dry....   [tags: Papers]

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Investigating How the Current Affects The Mass Of Copper Collected At The Cathode

- Investigating How the Current Affects The Mass Of Copper Collected At The Cathode Aim: The aim of this investigation is to find out how current affects the amount of copper formed at the cathode, when using copper sulphate solution and graphite electrodes. Pre-test Results: For my pre-test, I have gathered the following results: Current Volume of Copper Sulphate Time Mass of cathode before Mass of cathode after 20.2 mA 50ml3 3 minutes 3.25g 3.27g 0.1A 50ml3 3 minutes 3.11g 3.12g 0.2A 40ml3 4 minutes 3.12g 3.14g 0.4A 25ml3 5 minutes 3.14g 3.17g 0.6A 50ml3 5 minut...   [tags: Papers]

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Determining the Effect of Different Sugar Concentrations on Benedict's Solution

- Determining the Effect of Different Sugar Concentrations on Benedict's Solution PLANNING: Hypothesis and prediction: My hypothesis is that the sugar solution with the highest concentration will turn the precipitate the darkest colour. This will be the 10% sugar solution. This is because the more amount of sugar it contains the more it will reduce the Copper. It will be a much darker precipitate compared to the other two. Background theory: Benedict's solution is an aqueous solution of Copper (II) Sulphate, Sodium carbonate and Sodium citrate....   [tags: Papers]

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The Rate of Electrolysis Of Copper Chloride Solution

- The Rate of Electrolysis Of Copper Chloride Solution Introduction We are going to find out what things affect the rate of Electrolysis and to find this out we will use Copper chloride salt dissolved in water to form a solution. The salt is dissolved in water becausechemical compounds when in a molten state or when dissolved in water exist in the form of ions that are capable of movement, meaning their molecules become dissociated into positively and negatively charged components, which have the property of conducting an electric current....   [tags: Papers]

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Determining the Effects of Copper Sulphate Concentration on the Germination of Broad Bean Seeds

- Determining the Effects of Copper Sulphate Concentration on the Germination of Broad Bean Seeds Index ===== Page/s ------ Aim - 1 Introduction ------------ - 1-7 Null Hypothesis - 8 Alternative Hypothesis - 8 Variables - 8 Apparatus - 9 Method ------ - 9-10 Safety - 10 Fig 8: Table Showing Number of Cress Seeds That Germinated at Different Concentrations of Cu2+ Ions (mg/l) – Raw Data - 11 Calculating the Standard Deviation for Each Concentration of Cu2+ Ions (mg/l) – Raw Data - 12-16 Fig 9: Table Showing Standard Deviation of Number of C...   [tags: Papers]

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Synthesis of Barium Sulphate (BaSO4)

- Synthesis of Barium Sulphate (BaSO4) 1. Experiment Details Experiment Title: Synthesis of Barium Sulphate (BaSO4) 2. Data-Time Group (DTG) 3. Aim To produce a pure sample of Barium Sulphate (BaSO4) of at least 0.50 grams. 4. Apparatus & Materials Chemicals used: Barium Nitrate, Ba(NO3)2 Sulphuric Acid, H2SO4 Lab equipment used: Glass beakers (2) Funnel (1) Filter paper (5) Conical flask (1) 5. Method 1. Collect 50 cm3 of Sulphuric Acid and 50 cm3 of Barium Nitrate in separate beakers....   [tags: Papers]

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Copper Mining

- Copper Mining Copper mining has become a very important industry in today’s society. It is also one of man’s oldest commercial activities. There are many steps from finding a mine site to producing a product made of copper or a copper alloy. The mining industry has also had many important developments from the time the first mine was formed in Rio Tinto in 3000 B.C. The earliest copper sources were globules and chunks of native copper found on the Earth’s surface. After we quickly exhausted the limited amount of native copper, we were forced to look underground for more sources....   [tags: Natural Resources Minerals Miners Essays]

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The Reactivity of Metals

- The Reactivity of Metals Planning: Aim: to put these 5 metals in the order of reactivity. * Iron * Copper * Magnesium * Lead * Zinc Scientific Information: A displacement reaction is where a more reactive element reacts with a compound and pushes out a less reactive element. E.g. magnesium will react with iron sulphate to push the iron out and form magnesium sulphate. I have carried out preliminary experiments and they have shown me that the reactivity of metals and elements can be deciphered from the table of elements, this will tell you how the reactive a metal or element is by simply looking what group it is in and in which period....   [tags: Papers]

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An Investigation into the Displacement of Metals

- An Investigation into the Displacement of Metals Aim: I am investigating how the mass of iron fillings affects the mass of copper displaced from copper sulphate. Apparatus: Iron filings, copper sulphate, beaker, stirring rod, goggles, scale, filter funnel, filter paper, evaporation dish. The variable that I will be changing is the mass of Iron Filings (in grams) added to the Copper Sulphate. Plan: 1. Collect all appropriate apparatus and then set up. 2. Carefully pour 20cm³ of Copper Sulphate into a beaker....   [tags: Papers]

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Electrolysis Investigation

- Electrolysis Investigation Aim To investigate how voltage affects the amount of a copper (Cu) deposited during electrolysis of copper sulphate solution (CuSO4). Variables ========= TEMPERATURE - Approximately 20° centigrade.The higher the temperature, the faster the ions move through the solution. Thus, more copper is deposited in the given time period. ELECTROLYTE (CONCENTRATION) - 100g per litre. The denser the solution, the slower the reaction. The slower the reaction, the less copper is deposited in the given time period....   [tags: Papers]

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Rates Of Reaction Investigation

- Rates Of Reaction Investigation Plan: This experiment is planned to investigate the rate of reaction when mixing Copper sulphate (CuSO4) with Zinc powder (Zn). My plan is to see what happens before, during and after the reaction takes place. I will need the following equipment to carry out this investigation: Ø A 50ml marked measuring tube Ø A digital precision scale Ø 600ml of copper sulphate Ø A digital thermometer Ø A pot of Zinc powder Ø A sandpaper (to sand the Copper sulphate off the thermometer) Ø A pen and a paper (to record results.) Ø A beaker (to mix the elements) Ø A stirring stick For the first preliminary results chart, the...   [tags: Papers]

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How the Rate of Electrolysis is Affected by Changing the Current in the Circuit

- How the Rate of Electrolysis is Affected by Changing the Current in the Circuit When chemical compounds are in a molten state, or if they are dissolved in water or other liquids their molecules become "separates into positively and negatively charged components, which have the conduct electricity", or they become ionized [IMAGE]Electrolysis is the process of breaking down or 'decomposing' a compound, by running an electric current through a chemical compound when it is ionized....   [tags: Papers]

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Egg Albumen Experiment

- Egg Albumen Experiment The purpose of this investigation is to establish which is the lowest concentration of Copper (II) Sulphate solution that will denature a sample of egg albumen (egg white) at room temperature. The base of the reaction is the globular protein (albumen) being denatured by a heavy metal (Copper (II)), the copper (II) reacts with the NH3 group causing it to denature, this means the proteins' secondary and tertiary structures are being altered and refolding into different shapes, this resulting in a change from the substance being clear to turning opaque.[1] As the concentration of the denaturants increases more folding and changing of shape...   [tags: Papers]

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Electrolysis Investigation

- Electrolysis Investigation To monitor the quantity of copper (Cu) metal deposited during the electrolysis of copper sulphate solution. Electrolysis is the chemical decomposition of an ionic compound by the passing through it of an electric current. The ionic compound must either be in the molten state or in solution form. This is because the ions need to be mobile since it is the movement of ions that is needed for electrolysis to occur. Electrodes are rods or in this case plates of a conducting material by which current enters or leaves the ionic compound called the electrolyte....   [tags: Papers]

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Displacement Reaction

- Displacement Reaction The aim of my experiment is to find out what happens to the heat of the zinc and copper sulphate solution when one of the variables is changed. Key variables: § amount of copper sulphate solution § amount of zinc I am going to investigate what happens to the temperature of the zinc and copper sulphate solution as the amount of zinc is increased. The equation to show this reaction is: Zn + CuSO4 ® ZnSO4 + Cu The enthalpy change for the reaction is: ²H = -217kJ mole ¹ This means that if 1 mole of solution is used of each substance, the heat given off will be 217,000 Joules....   [tags: Papers]

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Problem Solution: Kuiper Leda

- Problem Solution: Kuiper Leda The ability to manage supply chains effectively is a key component of corporate success. Adopting a supply chain management strategy (inventory strategy) that works to minimize costs, enhance quality and efficiency of products and services rendered, and maintain sufficient levels of inventory while reducing associated carrying costs is ideal for all businesses. Achieving such a goal, however, is quite challenging and most businesses adopt inventory strategies that best enable them to fulfill their most primary needs (e.g....   [tags: Business, Case Study, Analysis, solution]

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Electrolysis

- Electrolysis Aim: The aim of the investigation is to find the amount of copper gained or lost on the electrodes using a different amounts of current each time during electrolysis. How does the changing of the current and surrounding temperature effect the electrodes. Variables: Throughout the experiment I will change the amount of current used. I will measure the weight of the electrodes after each test. To make the test fair I will be keeping the same electrodes throughout the experiment....   [tags: Papers]

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Rocks and the Earth

- Rocks and the Earth There are 3 main types of rock . These are sedimentary , metamorphic and igneous . Igneous rocks are formed by molten lava escaping from the mantle and cooling down to form solid , crystalline rock. The faster the new rock cools the smaller the crystals in the rock are. Eg Granite Sedimentary rocks are made when small chippings of rock accumulate on the seabed and are crushed together over thousands of years. These chippings are worn from rocks by wind, rain and ice , this is called erosion or weathering....   [tags: Papers]

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Investigating Electrolysis

- Investigating Electrolysis INTRODUCTION: In this experiment I will be investigating how the amount of copper affects the mass of the cathode. I will do this experiment twice so that I have an average of my results so that they are accurate. I have already done my preliminary work and from it, I have noticed that I will have to make some changes with the method of my experiment. AIM: In this experiment, I intend to find out how much copper in the solution affects the mass of the cathode....   [tags: Papers]

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The Bullet System as a Production Solution in the Linen Industry

- The Bullet System as a Production Solution in the Linen Industry Background/Problem: “Linen company A” cleans linens for local hotels and restaurants. The linen company has had a drastic increase in their amounts of work to the point that their labor force is insufficient. To hire more labor is feasible, but they would like to keep from doing this, allowing themselves to save money in the long run. They’re problem is lack of labor, and the want to maximize efficiency in the workplace. Solution: The best solution for the company is to use Automation Dynamics....   [tags: Case Study Solution]

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Finding the Change in the Mass of the Electrodes During Electrolysis

- Finding the Change in the Mass of the Electrodes During Electrolysis Safety: Before carrying out he investigation we had to take safety into consideration so we wore goggles to protect our eyes from any harmful chemical and aprons to protect our clothes from anything that may get spilt. Equipment: 1x 250 ml glass beaker 1x power pack 1x ammeter 4x wires Copper Sulphate solution 2x Copper electrons 1x Variable resistor Weighing scales 1x stop clock Propane [IMAGE] Method: Set up the apparatus as shown above in the diagram....   [tags: Papers]

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KPMG Three Little Pigs Inc. Solution

- KPMG Three Little Pigs Inc. Solution Several factors including increased supply have caused declining prices for live hogs on the spot market. Also as shown below, futures prices will remain below the carrying cost for live hogs until nearly the end of the fiscal year. However, processed pork products such as bacon, loins, and ham remain above the current cost of production. Three Little Pigs Inc. is capable of processing hogs into these products internally at some locations. Unfortunately, not all hogs can be transported and processed at the main processing plants and must be sold as live hogs to third parties at spot market prices....   [tags: Business, Finance, case study, solution]

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Electrolysis Experiment

- Electrolysis Experiment Aim: To find out how current affects the rate of electrolysis. Pre-test: Pre-test Apparatus: 1. Power Pack 2. Stop watch 3. 3 wires 4. Amp meter 5. A piece of Card 6. stop watch 7. Top pan balance Pre-test Method: Text Box: 1. Check to see if all the apparatus work by forming a small circuit with a bulb 2. Collect apparatus and set them out like the diagram below. Ensure that the positive wire leads to the anode and the negative leads to the cathode....   [tags: Papers]

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Investigating if the Concentration of CuSO4 Affect the Germination of Barley Seeds

- Investigating if the Concentration of CuSO4 Affect the Germination of Barley Seeds Investigation ============= Analysis -------- When looking at the data collection sheet it can be seen that as the concentration of CuSO4 increases, the percentage of seed germination decreases. This already shows a clear sign that enzyme inhibition has occurred. Looking at the “Average Length of Roots” graph, it can be seen that the concentration of CuSO4 does inhibit the growth of roots significantly because the average root length drops sharply after the 0% solution....   [tags: Papers]

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Investigating for Cations and Anions

- Investigating for Cations and Anions In this experiment I will investigate what cations and anions are present in various compounds. This will include carrying out a qualitative analysis, because I need to find out what type of cations and anions are there and not quantitative analysis, which includes finding out how much of each element there is. Safety Points: · Wear glasses · Wear gloves · Do not mix more than two solutions · Only mix the solutions listed by the teacher · Handle the chemicals with extreme care · Put the chemical solutions into a test-tube which is resting on a test-tube holder · Follow school lab safety procedures....   [tags: Papers]

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Metal Chemistry Experiment

- Metal Chemistry Experiment Aim My aim is to plan and carry out an investigation that will enable me to put 5 metals in order of reactivity. The 5 metals are zinc, magnesium, copper, iron and calcium. I am also provided with Copper (II) Sulphate solution. Equipment Zinc, magnesium, copper, iron, calcium, 500 cm3 CuSO4, Polystyrene cup with lid, thermometer, measuring cylinder, stop watch, spatula and safety specs. Safety In the experiment I am using substances that are irritant and harmful....   [tags: Papers]

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Use of Enthalpy Changes of Metal Reactions

- Use of Enthalpy Changes of Metal Reactions The problem: The problem that I will investigate is how to use enthalpy changes of metal reactions to experimentally test the reactivity series of common metals. Therefore the area that I am looking at is reactions involving metals and the heat energy that is evolved when these take place. In brief the reactivity series of metals is a list in which metals are ranked according to their reactivity, from the most reactive metals (such as Pottassium) at the top to Gold the least reactive metal at the bottom....   [tags: Papers]

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Lab Report: Effect of Temperature on a Rate of Reaction between Sodium Thiosulphate and Hydrochloric Acid

- My aim in this piece of work is to see the effect of temperature on the rate of a reaction in a solution of hydrochloric acid containing sodium thiosulphate. The word equation for the reaction that will occur in the experiment is: Sodium thiosulphate + hydrochloric acid →, sulphur + sulphur dioxide + sodium chloride + water ??..where the sulphur is an insoluble precipitate. And the symbol equation for it is: Na2S2O3 + 2HCl →, S + SO2 + 2Na + H2O Before conducting my experiment I will research into, amongst other things, the factors that affect the rate of a reaction....   [tags: essays research papers]

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Analyzing the Copper Atom

- An atom has three main particles—the proton, neutron, and electron. The first two particles are contained in the center of the atom, which is called the nucleus. Electrons, on the other hand, are outside the nucleus in levels called energy levels. Electrons in higher energy levels are located farther from the nucleus. These energy levels are orbitals—regions of space in which the electrons are most likely to lie. Electrons do not lie in orbits—definite paths that chart which way an object goes and where it is....   [tags: chemical elements]

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Chemistry Case Study

- Chemistry Case Study We are the research chemist at Valentines metal extraction company. We have received the following letter: Dear Sirs, We have just discovered a blue mineral which we believe contains a copper compound. Could you please analyse the sample we have enclosed to see if there is any copper in it and see if it can be extracted. Yours Sincerely Freddie Jones I am sure that there is copper in the compound as it is a blue colour. All compounds that are blue or green contain copper in them....   [tags: Papers]

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Solution Text Notes

- Chemistry Textbook Notes: Solutions Chapters 13 & 14: LH 1. Define soluble, solution, solvent, solute, suspension, colloid (p.395–398) Soluble- capable of being dissolved solvent0 the dissolving medium in a solution solute- the substance dissolved in the solution suspension- a mixture in which the particles in the solvent are so large that they settle out unless the mixture is constantly stirred or agitated colloid- a mixture consisting of particles that are intermediate in size between those in the solutions and suspensions forming mixtures known as colloid dispersions 2....   [tags: essays research papers]

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Electroplating Experiment

- Electroplating Experiment Aim To find the amount copper gains or loses on the electrodes using different amounts of current each time during electrolysis. How the changing of current affects the electroplating of copper. Introduction Electroplating is generally carried out in order to improve the appearance or corrosion resistance of the surface of a metal by electrodepositing a thin layer of metal ion on it. The metal substrate to be coated is made by the cathode in an electrolytic cell....   [tags: Papers]

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Analyzing Fruit and Vegetable Juices

- Fruits and vegetables are important components of our diet. We take fruits in raw state or in the form of juices, while vegetables are taken in the cooked form or sometimes as juices. Fruits and vegetables provide us carbohydrates, proteins and various other important organic compounds. The juices are rich sources of minerals, vitamins and many micronutrients (calcium, iron etc.) essential for us. For example, iron deficiency in humans causes anaemia and anaemic persons are advised to take leafy vegetables e.g....   [tags: Papers]

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Construction: Depletion of Copper, Tin, & Zinc

- Construction: Depletion of Copper, Tin, & Zinc Building Construction procedures involve the erection of various types of structures. The major trend in present-day construction continues away from handcrafting at the building site and toward on-site assembly of even larger, more integrated subassemblies manufactured away from the site. Construction in the United States is the product of a diverse group of subindistries, with many individuals and organizations involved in the construction of a single structure, from the manufacture of necessary components to final assembly....   [tags: Geology]

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Structure and Function of Saccharides

- Structure and Function of Saccharides Saccharides are what we commonly know as sugars, The are composed of carbon, Hydrogen and oxygen and are used in the body for everything from the manufacture of DNA to respiration in cells. What they are used for ====================== Carbohydrates' main function in the body is in respiration, a process without which living creatures could not exist, they are perfect for this job as they oxidize very easily. Only 10% of any sugar can be active or in straight chain form at any one time, the other 90% of the sugars are tied up in a circular form of the sugar which ties up the active group of the sugar, hence preventing it f...   [tags: Papers]

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Thermodynamic Properties of Solid Solutions in the System Ag2S Ag2Se

- Thermodynamic Properties of Solid Solutions in the System Ag2S – Ag2Se 1. Introduction This paper is about the calculation of standard thermodynamic properties of the four solid solutions in the phase diagram of Ag2S – Ag2Se. They calculated these properties using the model of regular and subregular solutions. The four solid solutions are: a restricted fcc solid solution (γ- Ag2S-Ag2S1-xSe (x<0.3)), a complete bcc solid solution (β- Ag2S – Ag2Se), monoclinic solid solution (α) from Ag2S to Ag2S0.4Se0.6, and a orthorhombic solid solution (α) from Ag2S0.3Se0.7 to Ag2Se....   [tags: solution model, analysis]

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Determining the Correct Equation for the Decomposition of Copper Carbonate

- Determining the Correct Equation for the Decomposition of Copper Carbonate Introduction and background information: Important points to note: ‘At room temperature, 25°C and atmospheric pressure at 1 atmosphere, I mole of any gas will occupy a volume of 24 dm³.’ We will need this to work out how much copper carbonate to decompose to obtain a sufficient amount of carbon dioxide gas. To work out the amount of copper carbonate to use I will need to use the following equations: Number of moles = Mass / Mr PV = nRT P = Pressure V = Volume n = Number of moles R = Gas constant T = Temperature We can substitute n (number of moles) with the fir...   [tags: Papers]

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The Unwavering Character of James Fenimore Copper's Deerslayer

- The Unwavering Character of James Fenimore Copper's Deerslayer James Fenimore Copper presents Deerslayer as a man of integrity, virtue, and honor. He is a warrior who lives by his word. Even if the situation places his life in jeopardy, he refuses to abandon what he believes in and what he says he will do. Deerslayer’s greatest display of character and honor is seen when he refuses to compromise his standards even though it threatens his life. After saving Hist from the Hurons, Deerslayer was taken captive by them....   [tags: Character Analysis, Deerslayer]

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Implementation of solution

- Implementation of solution Resources The hardware and the software are the main resource which I have used, in which is essential because one can’t work without the other working. Hardware is the actual pieces of equipment in an information processing system that we can touch and see. Examples are: - Keyboard - Mouse - Printer Software are the programs which are written to assist computer users, they cannot be touched. Examples are: - Data - Memory - Programmes The hardware that I used Pentium three was the system I have used, which has the speed of 1 Giga hertz 512 mega bytes ram (random access memory), 39 Giga bytes hard drive....   [tags: Computer Science]

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The final solution

- The final solution It seems as though Present day Americans have “Super sized” their way of life from what it was in the past. People are buying larger houses, shopping at huge department stores, and buying goods in bulk. It also seems like people are living an accelerated lifestyle with a schedule primarily composed of business. New technology in communications and transportation has provided us with the necessary machines that get us through the day. Every morning, millions of Americans rely on their cars to carry them safely to work; most, make the journey alive....   [tags: essays research papers]

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Prove the Correct Order of Reactivity of Metals

- Prove the Correct Order of Reactivity of Metals Aim The aim of this experiment is to find a method of mathematically analysing the order of metal reactivity. This involved finding a safe, dependant variable which is numerically measurable. After testing all the metals and measuring such a variable, is my hope to set all of the metals into a proven, accurate order of activity. Plan Every element of the periodic table is made up of atoms. Each of the atoms consists of subatomic particles which make up a nucleus and outer orbits....   [tags: Metal Reactivity Science Experiments Essays]

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Experiment: Testing The Heat of Combustion and The Energy Required to Combust Alcohol

- ... Every covalent bond has its specific energy, the amount that is required to break that particular bond so a bond is released when it is broken. The theoretical values of these bonds were used to calculate the energy that was created when the different carbon chains of alcohol were burnt. These values were used to compare my results to find the percentage error of my results. It was expected that the theoretical value was to be higher as energy could be lost through faults in my investigation....   [tags: copper, insulation, reactions]

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Speciation and Origin of Particulate Copper in Runoff Water from a Mediterranean Vineyard Catchment

- Speciation and Origin of Particulate Copper in Runoff Water from a Mediterranean Vineyard Catchment Fungicide treatments have led to large copper contents of the topsoils of most vineyards. This paper examines the contamination of surface waters by copper in a Mediterranean wine-growing catchment. Its aims were to characterise the forms of copper associated with suspended matter during a heavy autumn storm event and to identify which soils contribute the most to the copper exports. 1. Introduction Copper has been used to protect vines against fungus disease since the end o the eighteenth century ( affor-gue,1928)....   [tags: Papers]

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Investigating How Length and Width of Copper Wire Affect the Current of a Circuit

- Investigating How Length and Width of Copper Wire Affect the Current of a Circuit Task: To investigate how length and width of copper wire affect on the current of a circuit. Prediction: In this experiment, the input variable will be changing the length of the copper wire used in the experiment, and also the SWG of the wire, which means the width of the wire. By changing this variable, the current the circuit will vary. With my knowledge in science and some research on the factors that affect a circuit's resistance....   [tags: Papers]

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Standardizing a Sodium Hydroxide Solution

- PURPOSE The purpose of this experiment is to use our knowledge from previous experiments to determine the exact concentration of a 0.1M sodium hydroxide solution by titration (Lab Guide pg.141). QUESTION The question that was proposed for investigation was: Can the exact concentration of 0.1M sodium hydroxide solution be determined by titration (Lab Guide pg. 141). BACKGROUND DISCUSSION For this experiment we used titration to standardize the exact concentration of NaOH....   [tags: esperiment report]

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The Place and Time of The Final Solution

- The Place and Time of The Final Solution In this essay I am going to explain how and where the final solution took place for the Holocaust. In my opinion and according to some historical evidence, I am going to explain how the final solution took place. Firstly there are the logistics, for example how Hitler began with the processes of transportation, and with the help of Echman, Heydrict and Himmler it soon led to the eviction of Jews from their homes then the running of Ghettos, the concentration camps and extermination camps....   [tags: Papers]

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Problem Solution: InterClean Inc.

- Problem Solution: InterClean Inc. In this paper, we will be talking about Inter Clean Inc. Inter Clean is an $8 billion dollar institutional and industrial cleaning and sanitation industry. Inter Clean clients are more interested in not just products, but solutions that will streamline their cleaning efforts in the wake of more environmental safety requirements. Also we will see how the impact of human resource concepts and practices of Inter Clean motivates, reward, staff employees, and development on organizational effectiveness....   [tags: Business Analysis]

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Concentration of Salt Solution

- Concentration of Salt Solution (dmֿ³) 1st set of results (g) 2nd set of results (g) 3rd set of results (g) Average of the 3 sets of results (g) 0 2.11 1.79 1.05 1.65 0.2 2.30 1.87 1.09 1.75 0.4 2.32 2.03 1.12 1.82 0.6 2.40 2.01 1.12 1.84 0.8 2.43 2.10 1.08 1.87 1.0 2.38 2.01 1.09 1.83 1.2 2.33 2.12 1.09 1.85 1.4 2.27 2.02 1.08 1.78 1.6 2.27 2.01 1.08 1.79 1.8 2.27 2.11 1.17 1.85 2.0 2.24 2.01 0.96 1.74 Results This is a table to show the mass of...   [tags: Papers]

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Investigating Which Metal Combination Gives Out the Most Voltage in a Solution

- Investigating Which Metal Combination Gives Out the Most Voltage in a Solution Background Metals are an order of chemical elements in the periodic table. They are arranged in atomic number. All of them are solid (apart from mercury), good thermal and electrical conductors and are shiny when polished. Metals and non - metals are separated in the table by a diagonal line. -------------------------------------------------------------------- The reactivity series is a table to show which metals are most reactive to the least reactive....   [tags: Papers]

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An Enterprise Backup Solution

- An Enterprise Backup Solution Content 1     Situation Analysis     3 2     Objective     3 3     Situation Fact     3 4     Options     4 4.1     Option # 1: Veritas Netbackup     4 4.2     Option # 2: Legato Networker     5 4.3     Option #3: Commvault Galaxy     7 4.4     Enterprise Backup Solution – Evaluation Analysis     8 4.5     Summary of options available     11 4.6     Updated analysis of Legato Networker subsequent to inclusion of Visual Storage Resource Migrator and Alphastor     11 5     Recommendation     17 1     Situation Analysis This document was prepared to analyze the current backup environment and prepare an action plan, for the Ridgefield location regarding the incor...   [tags: Evaluation Analysis Networks Essays]

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Problem Solution: GeneOne

- Problem Solution: GeneOne GeneOne is a biotechnology firm that is considering going public. There are many issues and opportunities that face GeneOne in this endeavor. To successfully implement the initial public offering (IPO), GeneOne must follow the nine-step problem-solving process to determine the issues, find the core problem, identify risks, and find the optimal solution. Situation Analysis Issue and Opportunity Identification There are many opportunities facing GeneOne in the next three years....   [tags: Business Strategy Analysis]

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Problem Solution: Global Communications

- Problem Solution: Global Communications Global Communications (GC) is a telecommunication company under tremendous economic pressure just like other telecommunication companies. Its stock value has diminished drastically at over 50% which creats doubt in the stockholdersand thefuture of the company is being questioned. GC decided to take an aggressive approach to solve this problem by outsourcing some of their technical call centers department to Ireland and India, without communicating it first to the union This will cause a lay-off of employees and cut salaries by 10% for those relocating....   [tags: Business Analysis Strategy Management]

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Last Solution for Outbreak of Gangs?

- Last Solution For Outbreak of Gangs. Currently being discussed in Congress is the Anti-gang Bill, also known as the “Gangbusters Bill”. This bill would turn gang-related violent offenses into federal crimes punishable by mandatory sentences of at least ten years, expand the range of crimes punishable by death, and allow U.S. prosecutors to try 16 and 17 year old gang members as adults in federal courts. One unfortunate effect of this new bill will be the progressing overcrowding of federal prisons....   [tags: essays research papers]

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The Solution to America's Violence Problem

- The Solution to America's Violence Problem Violence in America is becoming more of a concern to everyone in our nation. Among the traditional scapegoats are media desensitization, broken homes and the always popular presence of guns in America. I do believe that the problem is one that should be solved, but I do not think that the proper solution is one that is given enough consideration: Not a high enough presence of guns in the hands of the law abiding citizens in America. It is widely believed that without guns, humans would not be able to kill their fellow man....   [tags: Papers]

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Problem Solution: TeraTech

- Problem Solution: TeraTech Currently the dominant player in a new arena, TeraTech a leader in the pharmaceutical industry, is a fiver year-old Customer Relationship Management (CRM) solutions provider. This CRM concept is relatively new, and its basic function is to help develop a complete picture of the industry customers, then evaluating those relationships across products and services. The purpose of this paper is to first identify the different issues and opportunities that TeraTech is facing, and to discuss the various alternatives that could help them solve their problems....   [tags: Business Strategy Management Analysis]

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Problem Solution: Lester Electronics

- Problem Solution: Lester Electronics Over the course of many years, the business relationship between John Lin, owner of Shang-wa Electronics and Bernard Shaw, CEO of Lester Electronics, Inc., has grown financially and personally (University of Phoenix, 2005). Shang-wa produces specialized capacitors for which Lester Electronics has the exclusive market in the United States. With the impending takeover by two outside firms, Transnational Electronics Corporation (TEC), and Avral Electronics, S.A., John has proposed a merger of Shang-wa with Lester Electronics....   [tags: Business Analysis]

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How Does the Concentration of Copper II Sulphate Solution Affect Its Transparency?

- Design Research Question How Does the Concentration of Copper II Sulphate Solution Affect Its Transparency. Background information Copper is a transition metal and one unique property of transition metals is to create different types colored compounds . Copper(II) sulfate, also known as cupric sulfate or copper sulphate, is the chemical compound with the chemical formula CuSO4. Existing as a gray white powered in anhydrous form however more commonly encountered salt in the laboratory is pentahydrate or (CuSO4·5H2O ) is bright blue in powdered form ....   [tags: chemical reaction, metal]

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Comparing the Solubility's of Copper Sulphate, Sodium Chloride and Potassium Nitrate

- Comparing the Solubility's of Copper Sulphate, Sodium Chloride and Potassium Nitrate Comparing the solubility's of copper sulphate, sodium chloride and potassium nitrate Background Information Molecular solids (sugar) and ionic solids (salts) both dissolve in water. However, they both dissolve in different ways. The intermolecular forces holding molecules of sugar together are relatively weak so when sugar is placed in water these bonds are broken and individual C12H22O11 molecules are released into solution....   [tags: Papers]

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Copper Pharmaceuticals Case Study

- Key facts • Copper pharmaceuticals, Inc were a major manufacturer for prescription drugs for medical and dental professions. • Sales are done mainly with the detailers who were pharmacy school graduates and had couple years of experience as registered pharmacists in drugstores. • Bob Marsh, with CPI for 12 years, married and had two children • Marsh's initial salary was $35,000 and been raised to over $60,000 throughout his time with CPI • Marsh has 6 different field supervisor throughout the time he was with CPI • 60% of detailers had 10 or more years with CPI and only 8% turnover rate per year....   [tags: Case Study Copper Pharmaceuticals, solution]

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Riordan Problem Solution

- Problem Solution: Riordan Manufacturing Riordan Manufacturing is a global plastics producer employing 550 people with projected annual earnings of $46 million. The company is wholly owned by Riordan Industries, a Fortune 1000 enterprise with revenues in excess of $1 billion. Production is divided among three plants: plastic beverage containers in Albany, Georgia; custom plastic parts in Pontiac, Michigan; and plastic fan parts in Hangzhou, China. Research and Development is conducted at corporate headquarters in San Jose, California....   [tags: Problem Solution Case Study Riordan Manufacturing]

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The Method of Extracting Copper and Gold by Bacterial Leaching

- The Method of Extracting Copper and Gold by Bacterial Leaching The methods of extracting gold and copper have significant differences and therefore require separate attention. Prior to leaching occurring, either a tailings pile must be built up upon a base of impermeable rock or a series of holes drilled into the ore, to provide access for the bacteriaα. [IMAGE] At process one the bacteria thiobacillus ferro-oxidans and thiobacillus thio-oxidans, naturally occurring bacteria that obtain the energy that they need to survive by oxidising Fe2+ and S2- ionsα, are added to the copper ore....   [tags: Papers]

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Copper Sulfide? Who Knows?

- Objective: The objective of this lab was to calculate the ratio of the copper sulfur compound to conclude whether the compound is made of copper I or II. Procedure: <ol> <li value="1"> A copper coil was twisted. <li value="2"> The mass of the copper coil was found. <li value="3"> The copper coil was placed in a crucible. <li value="4"> A sulfer powder was added to the crucible to cover the copper coil. <li value="5"> The cover was placed on the crucible. <li value="6"> The Bunsen burner was lit....   [tags: Chemistry]

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Finding Solutions to the Poaching Problem

- For every wildlife animal legally hunted another is killed illegally; this is called poaching. The people who commit the type of crime such as that of hunting illegally are known as poachers. The worst part about this crime is that it is committed where no one can see or know what is happening. The motive of poachers can vary from wanting a trophy or pointlessly killing animals to harvesting a profit from ivories, horns, or antlers. If this environmental problem of poaching continues, then many species will either become endangered or extinct....   [tags: hunting, species, problem, crime, solution]

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The Final Solution

- The Final Solution There are two main schools of thought amongst historians about the Final Solution and only one of them is right. The 'intentionalist' theory is that of one which places Hitler at the helm where he is seen to have had the intention from the beginning (even before his rise to power) to exterminate the Jews. International Jewry was blamed for the humiliation of Germany in the Treaty of Versailles, and German Jewry was accused of betraying Germany in World War I....   [tags: Papers]

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Determining the Concentration of a Limewater Solution

- Determining the Concentration of a Limewater Solution Introduction Previous to conducting my experiment, research was carried out and the results of it adapted to aid me in solving the problem set. In the Advanced Chemistry Student’s Book by Nuffield, on page 86, I found a similar experiment to mine with a description of implementation, which aided me in the fact that I discovered the temperature of my solution did not need to be taken. This was because the solution of calcium hydroxide they used was saturated, and therefore they measured the temperature of the saturated solution along with its solubility, due to the fact that the solubility of saturated subs...   [tags: Lab Report]

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Problem Solution: InterClean, Inc.

- Problem Solution: InterClean, Inc. In the following paragraphs we will discuss the InterClean, Inc. scenario and propose a solution to help InterClean, Inc.. InterClean, Inc. is making decisions that will affect the state of the company and could set them apart from their competition. They will have to look at the risks associated with these decisions and make sure that they find the best solution to make sure that the risks associated with this solution don’t outweigh the benefits of this solution....   [tags: Business Strategy Analysis]

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Report on Copper Toxicity on Sheep or Adlut Lambs

- REPORT ON COPPER TOXICITY ON SHEEP OR ADULT LAMBS INTRODUCTION The relationship between copper in grazing sheep and the chronic poisoning resulting in increased death, is key. This report helps to make clear, the major effect of quantity of copper on grazing soil, on animals. The optimum concentration of copper needed for the normal growth and healthy living of lambs and sheep and the importance of copper in grazing animals are addressed in this report....   [tags: acute toxicity, animal loses]

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Separation of Copper Compound

- Purpose The purpose of this experiment is to use our knowledge from previous experiments to separate a copper compound and from there make calculations relevant to the experiment. The calculations that we had to make in this experiment had to do with finding the percentage of copper in copper compound and from there find the formula weight of the copper compound. Question or Problem The question that was proposed by the instructor for investigation was: Can the % composition of an element in a compound be determined accurately (Lab Manual 61)....   [tags: copper, chemical method, physical method]

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Testing and Evaluating the Contents of Two Known Solutions for Proteins and Lipids

- Testing and Evaluating the Contents of Two Known Solutions for Proteins and Lipids Introduction For this experiment two solutions will be provided. In one test tube it contains milk and in the other test tube it contains sunflower oil. The test for proteins and lipids will be done for each solution and then a conclusion can be deduced from these results. To test for the proteins place 2cm³ of the test solution into a test tube and then add five drops of the Biuret solution to it....   [tags: Papers]

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