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Development Of Different Models Of Atomic Structure
... about the atom to carry on their work. John Dalton was born in 1766, and developed the ancient concept of atoms into a scientific theory that was the foundation for modern chemistry. Throughout his life, Dalton was very interested in ...
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Different methods of collecting data to investigate the chemistry of the stratosphere
... stratosphere and the how the gases mix up. Distances are vast in the stratosphere and the mixing between the vertical layers is slow, whereas air circulating around latitude lines, help gasses to mix within a layer.
The information collected ...
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Discuss the roles that the protein components play in the classes of metalloproteins.
... can be illustrated for example in blue copper proteins. Indeed, the protein ligands coordinating the copper hold the latter in a much distorted arrangement keeping it an entatic state. This irregular high energy arrangement of the metal largely resembles the ...
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Doping Silicon To Control It's Conduction Properties.
... a positive hole is also created which can carry current as well as the free electron - under the action of an applied voltage, electrons will drift towards the positive side, and holes will drift towards the negative side - ...
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Electrical and electronic principles - Application of circuit theory.
... hopefully to provide a firm understanding of the functions of circuit design and operation. Additionally this assignment is intended to prove my knowledge and understanding of these issues. The assignment is broken down into six different tasks as listed below;
a) ...
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Estimate the minimum time for the vehicle to accelerate from rest to 90 km/hr along a level road in still air.
... level road from the propulsive force of the gear engaged. As it is desired to have as much propulsive force as possible, one does not change from the initial gear until the gear has exhausted its maximum vehicle speed.
It has ...
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EVIDENCE FOR SUBSHELLS We know already that shells contain a certain number of electrons.
... there is a drop from neon, which has a full outer shell to sodium which has one electron in its outer shell. The only reason for this drop would be that the effect nuclear charge has dropped. The ENC has ...
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Experiment to find how the Length of the Wire affects the Resistance of the Circuit.
... resistance is. The thing in the conductor that resists the current going through it easily is the atoms in the conductor.
If the wire is longer then there are more atoms to knock pass so there is more resistance against ...
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Experimenting With Bernoulli's Equation.
... height gives the pressure per unit area.
In this experiment, a Bernoulli tube was used to investigate this relationship between pressure and gravity. A tube with three holes at different heights was filled with water to a designated level, and the ...
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Experimenting With Compound Pendulums And Moment of Inertia.
... the mass of the pendulum arm provides torque and must be described using Newton's second law for rotation:
? = Iarm?, and the torque is ? = -mgLcmsin ?. This leads to the equation for the period of a compound pendulum:
T ...
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Explain in simple terms different types of light sources that are encountered in graphics and their effect on materials (i.e. graphical objects drawn on the screen).
... directions. The OpenGL lighting equations are just an approximation but one that works fairly well and can be computed relatively quickly. If you desire a more accurate (or just different) lighting model, you have to do your own calculations in ...
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Fermentation is the process of yeast, which converts sugars (glucose) into carbon dioxide and alcohol.
... the yeast to flour ratio is higher then the dough will raise more with this thinner dough. In my preliminary experiment I did not alter the temperatures I left the solution in a water bath at 40 degrees for ten ...
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Filtration of Incompressible Materials
... that
1 dV ??P
uc = ? ? = ?? [3]
A dt rµl
r may depend upon rates of deposition, nature of particles and forces between them, it has the dimensions L?2.
The variables V and l are connected in the ...
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Find out which fuel releases the greatest amount of heat.
... out 3 times for each fuel, and an average value is taken.
A defined amount of alcohol will be burned using a spirit lamp, to measure the energy change by measuring the change in water temp. As well as not ...
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Fluid Flow In a Duct of Varying Cross-Section.
... a gas at low velocity, the equation of continuity is;
AV = Q = CONSTANT
Where; A - Cross-Sectional Area
V - Mean Velocity
Q - Volumetric Flow Rate
Bernoulli's theorem shows the principle of conservation of energy for a steady flow. For an inviscid or ...
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Fluid flow in a duct of varying cross-section.
... significantly for all three flow rates due to the drop in pressure.
The results obtained from experiment (which can be seen in figure 2) are actually very different to the results obtained from theory. The results obtained from theory are for ...
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Formulation practical - Suspensions.
... = density of the disperse phase
?c = density of the continuous phase
? = viscosity of the continuous phase
Rate of sedimentation can be decreased by reducing particle size, reducing the density difference or by increasing the viscosity of the ...
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Granule Manufacture.
... as lactose and microcrystalline cellulose. Diluents are used to increase the mass of the powder, for example if the over all mass of a tablet needed to be increased to 50mg, a diluent would be ideal to o this.
Glidants: such ...
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How a standard Television works and what understanding of Physics was needed to develop it.
... whilst John Logie Baird is accredited as the inventor of the first commercially possible mechanical Television. It also seems to depend on National opinion. One American Physicist and Historian explained how American companies invented the Television with "People from foreign ...
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How can static electricity be illustrated using a Van de Graaff generator?
... through a Van De Graaff Generator to be done with a great deal of comfort.
When obtaining information on static electricity, it is necessary to first understand the concept of atoms. Everything in the universe is composed of atoms. ...
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How did Chemistry begin?
... strontium. He also discovered magnesium and boron by using potassium, which is more reactive, to displace these elements from their compounds. He also showed iodine to be element and produced some of the first elemental aluminium.
Dalton
He proposed that atoms were ...
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How do neon lights work?
... ions and electrons carries the electric current between the tube's electrodes.
The photo (above) shows a gas discharge sign. This sign incorporates a neon discharge tube (the orange word "Physics") and mercury discharge tubes (the blue word "Experience" and the outer ...
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How is the internal resistance of a standard battery affected by Temperature
... stands they tend not to , especially not on this small scale (AA batteries) however, I do believe that the hotter the water in the bath , the more significant the change in efficiency within the battery.
As molecules ...
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How the Resistance Effects a Wire.
... and then turn the power supply off again so the wires do not overheat, then add my readings to my result table. The first wire I will experiment on will be Constantan wire with a SWG of 28. I must ...
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I am trying to find out what insulator is best at keeping the most heat in. I will try out lots of different insulators such as cloth, newspaper, a lid, none and bubble wrap to see what will happen.
... Without the material or the substance moving.
Convection happens in liquids and gases it is the transfer of energy (heat) by the movement of a liquid or a gas due to differences in density.
Water is heated and Water cools,
Becomes less ...