Essays Tagged: "Anode"

The Atom

ays were negatively charged particles boilingoff the negative cathode and attracted to the positive anode. These particles could bedeflected by an electric field and bent into curved paths by a magnet ...

(6 pages) 69 0 3.0 Jan/1996

Subjects: Science Essays > Chemistry

Chemistry electrolysis coursework

ge of ions through this 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 disc ... sitive copper ions (cations) being discharged at the cathode. Normally anions are discharged at the anode.The experiment carried out aimed to monitor the quantity of Copper (Cu) metal deposited during ...

(5 pages) 57 0 4.5 Jan/2004

Subjects: Science Essays > Chemistry

Ideas to Implementation.

*High voltage is applied across electrodes - stream of negatively charged particles from cathode to anode*Structures built around the cathode (e.g. electric plates and magnetic coils) can be used to m ... forces to balance out forces acting out of CR*-ve particles from cathode move through a collimating anode - subject CR into thin beam*A known magnetic field was applied, and the electrical field, once ...

(10 pages) 90 0 2.3 Mar/2004

Subjects: Science Essays > Physics

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

ge of ions through this solution results in copper atoms being dissolved into the solution from the anode, which has a positive charge while positive copper, ions (cations) are also being discharged a ... e which has a negative charge. Normally anions, which have a negative charge, are discharged at the anode.The experiment I will be carrying out is aimed to observe the amount of Copper (Cu) metal depo ...

(11 pages) 65 1 2.6 Mar/2004

Subjects: Science Essays > Chemistry

What Is Electrolysis

nd a surrounding metal grille. Corrosive salts move slowly from the object (cathode) to the grille (anode), leaving the artefact clean.ElectrolysisIn chemistry, the production of chemical changes by p ... (cations) to the negative electrode (cathode) and negative ions (anions) to the positive electrode (anode). During electrolysis, the ions react with the electrode, either receiving or giving up electr ...

(1 pages) 23 0 3.0 Jul/2004

Subjects: Science Essays > Physics

Describe the Process of Genetic Fingerprinting.

o size using aragose gel electrophoresis. The smaller the fragments, the further they travel to the anode. The fragments produced are invisible at this stage and so the fragments are transferred to a ...

(1 pages) 527 3 3.0 Sep/2005

Subjects: Science Essays > Biology > Human Biology

Anode tube

Design features of the Stationary anode tube (pg168)Glass envelope; made from borosilicate glass in order to stand high temperatures. ... d high temperatures. Also acts as an electrical insulator between the negative cathode and positive anode. Contains the vaccum and supports the electrodes.Vaccum; All air is excluded within the glass ... low its melting point.Focusing hood; prevents the electron beam from diverging as it crosses to the anode.Anode; Most of the anode is made from copper because copper is a good conductor of heat. The T ...

(3 pages) 44 2 4.8 Apr/2006

Subjects: Science Essays > Physics

Compare the use of a dry cell battery with button cell battery in terms of the chemistry, cost and practicality, impact on society and environment.

ch need only small currents such as portable items (radio).It consists of a zinc outer casting, the anode, an aqueous paste of ammonium chloride and a mixture of powdered carbon and manganese dioxide ... , but as the cell is used zinc ions are formed and ammonium ions are discharged.The reaction at the anode, the zinc cylinder is: Zn(s) → Zn2+(aq) + 2e-At carbon rod (cathode), reduction half reac ...

(2 pages) 62 0 4.0 May/2006

Subjects: Science Essays > Chemistry

GCSE Chemistry Revision Notes (all the hard stuff)

ChemistryElectrolysis-Anode - + - non-metal (anions)-Cathode - - - metal (cations)-In an aqueous solution with a reactive ... d with Carbon-In an aqueous solution with a complex non-metal ion (eg SO4, NO3), O2 is given at the anode4OH- + 4e- -->2H2O + 2O2-Active electrodes (made of metal) - the anode's loss is the cathode ...

(1 pages) 22 0 2.0 Jun/2006

Subjects: Science Essays > Chemistry


graphite.- The electroplated object is used as the cathode of an electrolytic cell and the anode is usually the electroplating metal.- silver cyanide, potassium cyanide and potassium ... f the electrolyte varies with different plating process.- the electrode half-reactions are: Anode (oxidation): Ag(s) + 2CN-(aq) Ag(CN)2-(aq) + e- Cathode (reduction): Ag(CN)2-(aq) + e- Ag(s) + ...

(1 pages) 521 0 0.0 Jul/2001

Subjects: Science Essays > Chemistry

Sodium Hydroxide - Production

t;> Cl2 (g) + H2 (g) + 2 Na+(aq) + 2 OH¯(aq) During electrolysis, chlorine is formed at the anode, whilst hydrogen and hydroxide ions are formed at the cathode i.e. 2Cl¯ >>> Cl2 ... cathode can react with any chlorine that remains dissolved in the brine. Chlorine gas formed at the anode also reacts explosively with hydrogen gas formed at the cathode. To keep the products formed a ...

(2 pages) 19 0 5.0 Sep/2001

Subjects: Science Essays > Chemistry

The application of Electrolysis?

egative junction. The positive junction (connected to the positive end of the battery) is called an anode and the negative junction (connected to the negative end of the battery) is called a cathode. ... ward the cathode (negative electrode) and are called cations and the negative ions move towards the anode (positive electrode) and are called anions.At the AnodeThe anode is the positive electrode and ...

(6 pages) 12 0 0.0 Nov/2007

Subjects: Science Essays > Chemistry

Experiment: Galvanic Cells

e). Positive ions (cations) will move to the cathode and the negative ions (anions)will move to the anode.Plan: Collect the required materials and equipment. Clean two beakers. Half fill these two bea ... f a less active metal. We can infer from my data that electrons from the metal always flow from the anode to the cathode in the external circuit.Evaluation: When we evaluate this experiment, three thi ...

(7 pages) 16 0 0.0 Jan/2008

Subjects: Science Essays > Chemistry

Nickel metal hydrive battery for electric vehical

intain.CELL REACTION The NiMH battery stores hydrogen as a reaction product in the solid phase. The anode electrode contain hydrogen material that can allow electrochemical storage and release of hydr ...

(2 pages) 720 0 0.0 Feb/2008

Subjects: Science Essays > Chemistry

SDS-PAGE Electrophoresis of Proteins

gel is 8.8 and is alkaline to keep most proteins negatively charged to enable movement towards the anode. A 10% resolving gel is used so the pore size of the gel enables medium sized proteins to pass ... bottom) are smaller, more symmetrical and more polar. Since negatively charged proteins move to the anode (bottom), the bands which are nearer the anode probably have protein which is more negative an ...

(7 pages) 18 0 0.0 Nov/2008

Subjects: Science Essays > Biochemistry

Investigating a factor that affects the volume of H2 at the cathode in an electrolysis reaction

through the electrolyte by the ions as they transfer to the electrodes. Electrons always flow from anode to cathode.AimInvestigate a factor that affects the volume of H2 at the cathode in an electrol ... y checking the amount of electrolyte (HCl) decreased in the measuring cylinder placed on top of the anode in the electrolytic cell)Control variableTemperature of the liquids used in the experiment (ro ...

(2 pages) 979 0 2.0 Jan/2010

Subjects: Science Essays > Chemistry