level‚ duly recognized both by the Commission and Higher Education (CHED) and TESDA. Back in 2010 our institution enrollment succeeded to a percent of one hundred and fifty. Our computer facilities intends only into a very limited units so that our Lab supervisor easily maintain and create schedules for students who has a computer subjects. By this time‚ Speed Computer College again increased by staggering a percent of two hundred enrollees. One of the main problems of Speed Computer College
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The picture above shows a typical gel electrophoresis set up. The clear container in the center of the picture is called a gel electrophoresis chamber. It contains the agarose gel that will be loaded with genetic material‚ as well as a buffer solution. It is connected to a DC power supply via electrodes. This picture was taken at Paw Print Genetics laboratory in Spokane‚ Washington. Viney and Fenton (1998) defined the term electrophoresis as‚ “the migration of charged particles through a static medium
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In this study‚ nickel-titanium surfaces are coated with phenolic thin films of tannic acid and pyrogallol with the purpose of studying their corrosion resistance in physiological environments. Three tests are performed: the open circuit potential test‚ potentiodynamic polarisation and potentiostatic electrochemical impedance spectroscopy. Polarisation measurements are scrutinized in order to gain knowledge concerning the kinetics of the cathodic and anodic reactions‚ while the open circuit and impedance
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2.1 Introduction. The measurement of the RI. of liquids is a significant work in science and engineering.. Transmission or reflection disclosures near critical angles linked to TIR. are common ways in RI. measurements. Modified Abbe refractometers and commercial Abbe refractometers are instruments for measuring the RI. of a sample using those ways. The RI. resolution of those instruments. roughly extent from 10−4 to 10−5 depending on their cost and complexity. RI. of muddy colloidal
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TGS 813 is a general purpose Sensor that has good sensitivity characteristics to a wide range of gases. This device is designed to operate with a stabilized 5V heater supply and a circuit voltage depends on the design. The most suitable application for the TGS 813 is the detection of carbon gases‚ which makes it an excellent Sensor for gas leak detectors. The initial stabilization time of the TGS 813 is very short and the relative and elapsed characteristics are very good over a long period of Operation
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The synthesized product‚ SnI4 was found to have a yield of 0.0227 g which corresponded to a 4.63 % yield. The synthesizing process of SnI4 showed distinctive changes. After the addition of dichloromethane the solution turned to a purple color‚ this then turned into a purple-burgundy colour after gravity filtration; the desired colour was observed only when vacuum filtration was applied. The purple solution turned into damp orange crystals and after thorough drying the crystals were a bright‚ dry
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In this laboratory voltmeters where utilized to take reading of three different electrochemical reactions: Pb/Zn‚ Pb/Cu‚ and Zn/Cu. A salt bridge was placed between two reactions containing metal strips in separate aq solutions. The salt bridge was placed in order to balance the reaction. The voltage measurements for Pb/Zn‚ Pb/Cu‚ and Zn/Cu where .595 V‚ .479 V‚ and 1.072 V accordingly. The values obtained where then used to determine the voltage value for the reduction half. The resulting cell potential
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John Abarshi Mr Meinsma Chemistry December 14‚ 2010 Conductivity of Ionic solutions Introduction This lab report is about the conductivity of ionic solutions. In class we have been discussing wether all ionic solutions conduct equally well. If an solvent solution conducts electricity‚ then it must contain ions. So measuring the conductance of solutions can tell you whether the solutes in the solution are dissociated into ions. (Conductivity) Any type of solution‚ even ionic solutions‚ provide
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b) Write the anode and cathode half-reactions‚ and the net cell reaction for the above diagram. [ T/I / 2 ] Oxidation: Zn (s) Zn2+ (aq) + 2e- Reduction: Cu2+ (aq) +2e- Cu(s) Zn (s) + Cu2+ (aq) +2e- Zn2+ (aq) + 2e- + Cu(s) Zn (s) + Cu2+ (aq) Zn2+ (aq) + Cu(s) c) Write the cell notation for the above galvanic cell drawn. [ T/I / 1 ] Cu(s) | Cu2+(aq) || Zn 2+(aq) | Zn (s) d) Calculate the percent error of the cell potential for the above galvanic cell. Show all
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INTRODUCTION Surface modification is a miraculous application of Electric Discharge Machining (EDM). It can modify the conductive material surface by both removing material from the surface and depositing material on the surface. It can remove or deposit material from the work surface through controlled electrical sparks by the process of melting and evaporation. The controlled sparks erode material from the work and tool surface within very short intervals of time. Study of surface morphology widens
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