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Free Electrolysis Investigation Essays and Papers

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    Electrolysis Investigation Planning In this investigation, I will assess how changing the electric current in the electrolysis of acidified water affects the rate at which hydrogen gas is produced. The solution to be electrolysed is made up using acid and water. It is of little consequence what acid is used however in this case I will use Sulphuric acid (H2SO4). When H2SO4 is put in water it is dissociated and forms ions: H2SO4 → 2H (2+) + SO4 (2-) Ions are also present from

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    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

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    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

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    Electrolysis Investigation Aim: How the concentration of brine affects the conduction of electricity Background Information: Electrolysis: Metals that are more reactive than carbon are extracted by electrolysis. Electrolysis is the break down of a substance by electricity. Electrolysis only occurs in when an ionic substance is molten or is in solution. A substance that can be electrolysed is called an electrolyte. Electrolytes are made up of ions. Electrolytes need to be molten

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    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

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    An investigation into whether the voltage affects the amount of gas produced during the electrolysis of sodium chloride solution. Prediction: I think that hydrogen gas will be produced due to the half equation 2H +2e àH this will be produced at the cathode because opposites attract and the hydrogen ions are positive. At the anode I think that chlorine will be produced due to the half equation 2CL -2e àCL the chlorine ions are negative so they are attracted to the positive electrode. I also think

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    The electrolysis of copper sulphate solution and copper electrodes Introduction: For my GCSE Chemistry assessment I will be investigating the electrolysis of copper sulphate solution with the copper (ii) plates. Aim: My intention for this observation is to find out how the current has an effect on the mass of copper deposited in the electrolysis of copper sulphate and copper (ii) plates. Safety Precautions: In this investigation I will make sure that everything is as safe as possible and that

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    Investigation of Positively and Negatively Charged Electrons To try and find out if positively charged electrons deposit to the negatively charged electrons. This means, the electrons in the cathode attract electrons from the anode so they move towards the cathode from the anode. Prediction: I think that as the electrons move from the anode to the cathode, the mass of the anode to the cathode, the mass of the anode decreases whilst the mass of the cathode increases. I can support

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    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).

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    shiny A coating of rust formed on the nail Brass Gold and shiny A coating of corrosion formed on the topside of the tack and some corrosion was seen in the water. Stainless Steel Silver and shiny No change Plan and perform a first-hand investigation to compare the effectiveness of different protections used to coat a metal such as iron and prevent corrosion Compare - show how things are similar or different Gather and process information to identify applications of cathodic protection

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