Essays Tagged: "Copper sulfate"

Chemistry electrolysis coursework

It is known that by passing a constant electric current through an aqueous copper sulphate solution that the passage of ions through this solution results in copper atoms bein ... is solution results in copper atoms being dissolved into the solution from the anode while positive copper ions (cations) being discharged at the cathode. Normally anions are discharged at the anode.T ... ally anions are discharged at the anode.The experiment carried out aimed to monitor the quantity of Copper (Cu) metal deposited during the electrolysis of Copper Sulphate solution (CuSo4) using Copper ...

(5 pages) 57 0 4.5 Jan/2004

Subjects: Science Essays > Chemistry

Investigation of the effect of the mass of Zinc, on the temperature change of a Copper Sulphate solution

ms so please excuse any large spaces.Planing my investigationMethod1.Firstly I will measure 20ml of Copper Sulphate solution (CuSO4) in a measuring cylinder, for precise accuracy, and then pour the so ... Science behind PlanI predict increasing the mass of Zinc will increase the temperature rise of the Copper Sulphate solution.When Zinc reacts with copper sulphate, the Zinc atoms displace the Copper a ...

(5 pages) 25 0 3.0 Jan/2004

Subjects: Science Essays > Chemistry

THis is a general report on copper. It describes it's physical properties, chemical properties, and its uses.

Copper, also known as Cu, is one of the oldest elements. It's discovery dates back to prehistoric ti ... y dates back to prehistoric times in 9000BC. Signs of its uses were found in Iraq and North Africa. Copper has an atomic weight of 63.546 and its atomic number is 29. Its melting point is 1084.62 ° ... point is 1084.62 °C and 1984.32 °F while its boiling point is 2927 °C and 5301 °F. Copper's density is 8920 kg per cubic m..Copper is one of the most important metals, it is a reddish ...

(2 pages) 44 2 4.9 Feb/2004

Subjects: Science Essays > Chemistry

Investigating the rate of electrolysis. An investigation to find out what factors affect the rate of electrolysis of a solution containing copper (II) ions.

.An investigation to find out what factors affect the rate of electrolysis of a solution containing copper (II) ions.PlanIt is known that by passing a constant electric current through a copper sulpha ... ric current through a copper sulphate solution the passage of ions through this solution results in copper atoms being dissolved into the solution from the anode, which has a positive charge while pos ...

(11 pages) 65 1 2.6 Mar/2004

Subjects: Science Essays > Chemistry

Quantitative preparation of a salt and yield calculation.

Introduction:Copper(II) sulphate can easily be prepared by reacting copper(II) oxide with dilute sulphuric acid. ... result can then be compared to the theoretical amount to give a % of the yield calculated. The then Copper(II) sulphate crystals are CuSO4.5H2O.Hypothesis:It is my opinion that the results we will rec ... poor into a 250ml beaker (±0.1ml).3. Warm the acid in the Bunsen burner (DO NOT BOIL).4. Add copper sulphate until it is in excess ( this can be added in excess as the Sulphuric Acid is the lim ...

(3 pages) 28 0 4.0 Sep/2004

Subjects: Science Essays > Chemistry

IB Chemistry: Grade 12: Practical 1: Stoichiometry Quantitative Preparation of a Salt and Yield Calculation

Quantitative preparation of a salt and yield calculationIntroduction:Copper (II) sulphate can be prepared by reacting copper (II) oxide with dilute sulphuric acid. The r ... the product formed. This can then be compared with the theoretical amount, and % yield calculated. Copper (II) sulphate crystals are CuSO4.5H2O. Therefore, the reaction is:CuO + H2SO4 + 4H2O ® Cu ... 2SO4 + 4H2O ® CuSO4.5H2O0.2 mol. 0.2 mol. 0.2 mol.Hypothesis:According to theory, the amount of copper sulphate produced should be 159.61g. However, I believe the amount produced will be far from ...

(2 pages) 32 1 3.7 Sep/2004

Subjects: Science Essays > Chemistry

Comparing the solubility's of copper sulphate, sodium chloride and potassium nitrate

Comparing the solubility's of copper sulphate, sodium chloride and potassium nitrateBackground InformationMolecular solids (sugar) ... size of the molecule, making it easier to solvate.ChemicalsThe chemicals I will be using will be:1. Copper Sulphate - A salt soluble in water and methanol. Blue crystals.(CuSO4 SH2O) White colour when ... bustible materials.(KNO3) May evolve toxic fumes.PredictionBelow is information from a data booklet:Copper Sulphate - 1.39 נ10?? moles dissolve in 100g of water.Sodium Chloride - 6.15 נ10? ...

(4 pages) 19 0 0.0 Jan/2005

Subjects: Science Essays > Chemistry

Electrolysis.

ass Deposited at the CathodeThe experiment I will be carrying out is aimed to observe the amount of Copper (Cu) metal deposited during the electrolysis of Copper Sulphate solution (CuSo4) using Copper ... uses.5. Circuit wires - for connecting up the apparatus to the power supply.6. Beaker - for holding copper sulphate solution.7. Copper sulphate solution - for doing the electrolysis experiment.8. Dist ...

(13 pages) 40 1 3.0 Sep/2005

Subjects: Science Essays > Chemistry

Lab Report: Determining Percent Yield in a Chemical Reaction

Purpose:To find out the percent yield of copper in the reaction between copper sulfate (CuSO4) and Iron (Fe).Materials:Balance100-mL beaker25 ... etween copper sulfate (CuSO4) and Iron (Fe).Materials:Balance100-mL beaker250-mL beakerBunsen burnerCopper sulfate crystalsGlass stirring rod100-mL graduated cylinderIron filingsRing stand and ringWir ... ngsRing stand and ringWire gauzeProcedure:1. Record mass of clean 100-mL beaker.2. Add 8.0 grams of copper sulfate crystals to beaker.3. Add 50.0 milliliters of distilled water to the crystals.4. Put ...

(1 pages) 37 1 2.5 Jan/2006

Subjects: Science Essays > Chemistry

Experiment: Galvanic Cells

imes; leads- 2 × crocodile clips- 2 × 50ml beakers- 30 × filter paper- 10 × copper electrode- 100mL of 1 M copper(II) sulfate (CuSO4)- 10 × zinc electrode- 100mL of 1 M z ... te solutionModerately toxic, skin irritantWear eye protection and wash hands after investigation1 M copper (II) sulfate solutionSlightly toxic if ingested and by skin contactWear eye protection and wa ...

(7 pages) 16 0 0.0 Jan/2008

Subjects: Science Essays > Chemistry

Copper Sulphate On Amylase

My experiment was to find out the effect of changing the copper sulphate concentration on the rate of the hydrolysis of starch to maltose using the enzyme am ... se. Copper sulphate was used because it acted as an inhibitor.Hypothesis, I predicted that the more copper sulphate added to the solution the longer the reaction would take to complete. This was due t ... added to the solution the longer the reaction would take to complete. This was due to the fact that copper sulphate would interfere with the starch for the active sites on the amylase molecules becaus ...

(1 pages) 3136 0 0.0 Feb/2008

Subjects: Science Essays > Chemistry

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From Copper to Copper 3From Copper to CopperRaymond ChanSCH3U1-02Ms. MoledinaOctober 2014PurposeTo study ... n A. The blue basket with all of the chemicals, metals, and tools necessary were obtained.2. 3mL of copper(II) nitrate was measured in a test tube, then poured into an Erlenmeyer flask. While stirring ... en crushed into smaller pieces using a mortar and a pestle. The zinc was added into the solution of copper(II) sulphate, which was stirred until all the blue colour disappeared.7. Using ad dropper, su ...

(3 pages) 1 0 0.0 Oct/2014

Subjects: Businesss Research Papers