The Volt Count Alessandro Giuseppe Antonio Anastasio Gerolamo Umberto Volta was the father of the volt. He was born in Italy. He made the first cell in the 1800s. The cell that he made was not really a battery‚ but it was the most advanced attempt of making a battery in his time‚ it produced a steady electrical current‚ but did not work well over time; it was called the Voltaic pile. The voltaic pile was made of two electrodes of zinc and copper and sulphuric acid as the electrolyte. His name
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Futronics‚ Inc. Central Stores versus Outsourcing Analysis Devry University Online PROJ410/Contracts and Procurement Analysis: Central Stores versus Outsourcing Steve Hastell Futronics‚ Inc. 1213 Lincoln Parkway Lexington‚ Massachusetts‚ 02421 781-123-4567 EXECUTIVE SUMMARY To offset the changing trends of fierce competition‚ flattened sales‚ and decreased profits the following analysis will provide the Corporate Cost Reduction Team members with the needed resources and recommendations
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Michael Betts 3 Sponge-like graphene makes promising supercapacitor electrodes Zhanwei Xu "Electrochemical Supercapacitor Electrodes from Sponge-like Graphene Nanoarchitectures with Ultrahigh Power Density." The Journal of Physical Chemistry Letters 2012‚ 3‚ 2928-2933. DOI: 10.1021/jz301207g Abstract: The sponge-like graphene is being looked at by researchers in Alberta‚ Canada. These sponge-like graphene nano particles have an ability to capture and maintain energy. This
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Asvfdbdfklsdbnvipsdbnipvbnvklsbnaklvnsdklavnklscnvm‚ cxzklv xkclbzviksdbaivbiasdfvbklfbsdklvbkdfvm bxcm‚bvjbsjav mxd vcxmbvbawjbviwoabvm ksdbnvksbdklvbsdabvjxcbmv bcmzx‚cvoweFJWEOVJL;svl:ZXN‚.VN.CXZNBIORAWEN9HSdkVN‚ZXC VM XCVBIWEBAVKB KLDB VOZB KXCNVKX VKXCHNVK IX MXCI NVSDM VISD VSDIVN SKDNVISDNKVN/ASDNV ASDIVNAWEK FVSDNI VSDVKLSDNVKXCZNVNWENVSDA VSDAVSADOVJWEV SD SDV SDVSD VSDV SDVSD The quality of U.S. and Canadian tap water is generally quite good‚ but chlorine is often added as a disinfectant
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Methodology The reagents used for this experiment were the following: * Methyl red * 0.1M Nitric Acid * 0.5M Copper sulfate – sulfuric acid mixture * 0.1M Sodium hydroxide * Acetone * Distilled water The apparatus used were the following: * Phywe Transference Number Apparatus * Analytical Balance * Buret * Beaker * pipet The experiment starts off with the preparation of the set-up for the transference vessel. Fill the double U-tube with 0.1M Nitric acid
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Brandico Barr Part 1: Answer the following questions (20 points) 1. Name and describe the components needed to make a complete circuit. You would need a bulb(converts electrical energy to radiant energy)‚ a battery(possible power source)‚ a switch(used to connect and disconnect the circuit)‚ a buzzer(converts electrical energy to mechanical energy)‚ a motor(converts electrical energy to mechanical energy)‚ a resistor(slow down electron movement)‚ a voltmeter(measures the voltage) and an ammeter(measures
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SCIENCE FAIR PROJECT TOPICS 1. From Gene to Genetics: What Kinds of Mutations Matter? 2. Don’t Get burned! Measure the UV Index at different times of the day. 3. Sound Locations 4. Measuring Sugar Content of a Liquid with a Laser Pointer. 5. How does the Color Affect Heating by the Absorption of Light? 6. Roller Coaster Marbles: How much Height to Loop the Loop? 7. Surface Tensions of Water 8. Effect of Propeller Size on Thrust Produced 9. How
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Oxidation and Reduction Mnemonic: OILRIG Oxidation Is Loss‚ Reduction Is Gain Oxidation → the loss of electrons from an atom or an ion→ always happens at anode (positive electrode) → think anOde (O2 in the electrolysis of water xp) Redox reactions: Reactions involving the transfer of electrons e.g. burning‚ rusting‚ photosynthesis‚ respiration and the browning of apples. happens in three types of reactions: 1. addition of oxygen 2. removal of hydrogen 3. increase in valency (how easily an atom
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S E C T I O N B Answer at least TWO (2) Questions from this Section 4. (a) (i) What is an ideal gas? (2 marks) (ii) Write the ideal gas equation and give the units used for each term in the equation when R = 0.0821L-atm/mol-K. (3 marks) (b) Why was this equation modified and what is the modified form of the equation? (5 marks) (c) Calculate‚ using the modified equation‚ the pressure at which one mole of chlorine gas will occupy 22400 cm3 at 0oC. (For chlorine‚ a = 6.49 L2-atm/mol and b = 0
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Electrochemical Cells Tutorial sheet 1. Calculate the single electrode potential for copper metal in contact with 0.10M Cu+2 solution. E˚ for copper electrode is 0.34V. 2. Calculate EMF of the cell involving the reaction : Mg(s)+ 2Ag+(aq) → Mg+2(aq) + 2Ag(s) Given; [Mg+2] = 0.130M and [Ag+] = 1.0x10-4M & E˚Ag+/Ag = 0.80V and E˚Mg+2/Mg = -2.37V.
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