1. Ventilate the work area well‚ cover the work space with newspaper‚ and put on gloves and goggles. Be sure pets and kids are not running underfoot as begin this project. 2. Start by measuring the oils and placing them into the crock pot. Remember: For this recipe measuring all ingredients by weight‚ not by volume. 3. Turn the crock pot on high and melt all the oils. Better to use a smaller crock pot to cook the ingredients down and then move to a larger one once start adding the liquids. 4. Place
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There is no doubt that sauna baths have many health benefits. This is the reason why many people choose to have one in their homes and be able to use it as often as they want. In case you don’t yet a sauna‚ you should consider getting one. You don’t know if you should choose a far infrared or a near infrared sauna? If so‚ then here is the difference between far infrared and near infrared saunas. Energy consumption When it comes to energy consumption‚ a near infrared sauna will definitely use less
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Thermite Background: Thermite is a powder made from aluminum powder and a metal oxide [usually iron oxide (Fe2O3‚ known as rust)]. The thermite reaction is a redox reaction‚ where Aluminum reduces the oxide of another metal. For example‚ when using iron oxide (as I did) the equation would be Fe2O3(s) + 2 Al(s) -> Al2O3(s) + 2 Fe(l). Black or blue iron oxide (Fe3O4) could also be used. Other examples of possible oxides are manganese thermite (MnO2)‚ Cr2O3‚ and copper thermite (CuO). Aluminum can
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25g of Perspex in the glass bulb. A thermocouple is placed between the glass bulb and heating coil to measure the temperature. Temperature is recorded everytime the height of Hg column change by 1 cm. When the temperature reach 120°C switch off the heat supply. Continue taking the readings as the temperature falls until 60°C. Results Height of Hg column while heating (cm) | Temperature (°C) | Height of Hg column while cooling (cm) | Temperature (°C) | 19.1 | 60.9 | 35.4 | 118.9 | 20.1 |
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International Journal of Heat and Mass Transfer 52 (2009) 597–609 Contents lists available at ScienceDirect International Journal of Heat and Mass Transfer journal homepage: www.elsevier.com/locate/ijhmt Numerical simulation of parabolic trough solar collector: Improvement using counter flow concentric circular heat exchangers O. García-Valladares a‚*‚ N. Velázquez b a b Centro de Investigación en Energía‚ Universidad Nacional Autónoma de México‚ Privada Xochicalco s/n‚ Temixco‚ Morelos
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Laboratory Report: Flame Colors of Metals Abstract The experiment about flame color of metals demonstrates how electrons jump into their excitedstate from their ground state as it came in contact with heat. As it return to its lower energy state‚it emits the absorbed energy in the form of light. A platinum or nichrome wire was dipped into aconcentrated HCL and was heated to clean it. The wire was dipped into different salt solutionsand heated in order to determine the metallic ion’s color and wavelength
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electricity‚ so it saves fossil fuels also. Tankless Hot Water Heater- Heating water is the 2nd highest energy use in the home. This device saves energy by eliminating the storage tank for hot water that has to be constantly heated. You only heat the water you use. Florescent Light Bulbs- These use less electricity than an incandescent bulb for the same amount of light. Low-Flow Shower Heads- They save water‚ but still give the same amount of water pressure. Deciduous Shade Trees-
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The effect of temperature on the cell membranes of beetroot cells and amount of pigment released. Apparatus • Corer size 4 • White tile • A Beetroot • Automatic Water Bath • Segregated knife • A thermometer • Stopwatch Method: • First take the white tile and the corer. Then collect a cylinder of beetroot by pushing the corer into the beetroot and withdrawing it. The cylinder remains inside the corer- so push it out with the end of a pencil. • Collect 3 cylinders
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Does Temperature of Kernels Affect Popcorn Yield? Project Design Plan This experiment will attempt to determine if the temperature that popcorn kernels are stored at will affect the amount of un-popped kernels when using a hot air popcorn popper. Popcorn kernels contain moisture inside of them which‚ when heated‚ turns to steam and expands that in turn causes the kernel to explode. Popcorn.org states that loss of moisture content can cause less yield amounts when popping popcorn (popcorn.org‚ 2014)
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of Food Date Submitted: April 1‚ 2012 Date Performed: April 1‚ 2012 Lab Section: Chem-180-DL1 Purpose: The purpose of this lab was to measure the energy content of three different food items using the change in water temperatures from the heat of the food. Another purpose was to take the information acquired and become familiar with energy units used in food such as calories and joules. Procedure: The first step in this experiment was to weigh and record an empty 100mL beaker. Then fill
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