WATER/BUFFER LECTURES .....SOME NOTES YOU SHOULD HAVE TAKEN IN CLASS \wxNotesInClassBe. 1301124 8 and Things you should have done‚ or tried... = all problems! Gas pressure/concentration: 1 Atm = 760 mm Hg = 10 m H20 = 15 psi (psi is the industrial unit). O2 and man: upper limit/ lower limit Minimum: Without adaptation‚ man can not survive on top of Mt Everest = 8‚000M = 0.3Atm = height of jet liners= 0.06 Atm O2 Man starts being affected at 0.5 ATM air = 18‚000’ Maximum
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AUTOMATIC WATER PUMP CONTROLLER The automatic water pump controller is used to control the water pump motor. The motor gets automatically switched on when water in the overhead tank (OHT) falls below the lower limit. Similarly‚ it gets switched off when the tank is filled up. Built around only one NAND gate IC (CD4011)‚ the circuit is simple‚ compact and economical. It works off a 12V DC power supply and consumes very little power. The circuit can be divided into two parts: controller circuit and
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products. In this report‚ first‚ we are going to analyse and segment the possible markets for Tipperary Water Co. Ltd in European as well as in non-European countries. Then we will analyse and decide which international entry strategy is suitable to enter the chosen market. The model for the International Market Selection (IMS) is based on the model by Hollensen . 2. Current Situation Tipperary Water Co. Ltd was founded by Patrick and Nicholas Cooney in 1986 in Tipperary‚ Ireland. The company has its
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molecule of water A chemist’s view of the world is not as narrow as one might think! Yes‚ we start with the atom‚ and then go on to the rules governing the kinds of structural units that can be made from them. We are taught early on to predict the properties of bulk matter from these geometric arrangements. And then we come to H2O‚ and are shocked to find that many of these predictions are way off‚ and that water (and by implication‚ life itself) should not even exist on our planet! But we soon
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the greatest volume of water?” Design an investigation to provide an answer for the student. Be sure to include • the materials needed. • a numbered procedure. • the independent and dependent variables. • important data that will answer the question. • ways to help ensure the accuracy of the results. Materials: Several paper towels‚ a flat dish‚ bottled water‚ a thermometer‚ a tong‚ a ruler‚ and an scale‚ Procedure: (1) Weigh the sick + water (2) Measure each sample
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instruments they should use for sampling of water sample. * To expose the students the proper technique to measure the water. * To give the students experience with sampling of water sample. Introduction Pollution can be defined as a harm to the environment which can cause a lot of bad consequences to human health‚ living resources and ecological. Thus‚ pollutants can be gain from many sources and can take many forms. The pollutants can contaminate land‚ water or air. In order to identify types
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Soapy water What affect does adding soap to water have on surface tension? Research: "Soaps and detergents include surfactants‚ that reduce the surface tension of the liquid. This allows the liquid to have a good contact with the material and to remove the dirt from it efficiently." (Kibron.com) "Hydrogen bonding between water molecules leads to many interesting consequences at the visible‚ macroscopic level. For example: the boiling point of water‚ its surface tension‚ and it’s ability to
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2011 Dr. Woolnough BIO 101 DO6A ABSTRACT: The objective of this study was to observe and understand what occurs in a sample of pond water over the course of six weeks. Over the six weeks there were qualitative and quantitative data found and recorded. The qualitative data recorded entailed: Water color and smell as well as suspended solids ranging from clear‚ opaque‚ and turbid. The quantitative data that was recorded regarded: Temperature‚ pH‚ Alkalinity‚ Hardness‚ Chlorine‚ as well as‚ Nitrate
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water exists in liquid‚ solid‚ and gaseous states water referred to universal solvent ( bipolar molecule enables it to dissolve a wide variety of substances) ice floats ( temperatures drop molecules come together as a solid‚ elections repell (the molecules get less close thus making the ice have less density than water. If this did not occur ice could sink and destroy living organism. (sea animals) Thermal properties Water resist temperature change‚ due to high specific heat which in turn helps
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for granted. The struggles some of us may have now does not compare to the struggles the women in this video have gone through. It sure made me think twice about things. The symbolism of water in this movie was incredible though. Symbolism of water through out the film was rain and rivers as well as drinking water‚to purify the characters and wash away negativities that they had lived through. This movie did help me learn much more about
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