WATER RESOURCES SHOULD BE NATIONALISED India is one country united by various states to have peace within‚we should live together by sharing our wants with each other. Surplus should be shared. Every state has dispute in sharing water resources with its neighbouring state. Then and thereproblem arising between peoples of two states.they are not allowing neighbouring state vehicles to enter into their state. We have enough water from nature but we tend to overuse or misuse it.
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Water can symbolize many things throughout the novel. Whether it is in Manawaka‚ the Pacific Coast or Shadow point‚ what is constantly recognized in the number of times water is used. If one were to closely examine these situations‚ they would soon discover it’s symbolic importance. In the novel The Stone Angel‚ water is presented in the many fluctuations‚ in Hagar’s life. Hagar goes through many stages in her life‚ where water is represented but without it being physically present
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Water wars are coming! Water is the defining security threat of the 21st century! Water is an essential resource required for sustaining life and livelihoods: safe water is required for drinking‚ hygiene and providing food; and adequate water to produce energy and support economic activities such as industry and transportation. On the other hand Water in the natural environment ensures the provision of a multitude of ecosystem services to support economic and cultural activities and meet basic human
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Complexometric Determination of Water Hardness 9/12/2013 Abstract: Two sets of acid-base neutralization titrations were conducted for experimental analysis. The first set of titrations was to standardize a solution manufactured in the lab. An approximate solution of Na2EDTA of 0.004 M was titrated against a known solution of 1.000 g CaCO3/L to deter mine to exact molarity of the Na2EDTA. Ca2+ + Na2EDTA → CaEDTA + 2Na+ The second set of titrations was to use the now standardized Na2EDTA
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vaporisation of water You should attempt this part of the activity even if you have not seen the demonstration of the practical. 1. Calculate a value for ∆Hvap for water in KJ mol-1 using the data from the demonstration. Also‚ calculate ∆Hvap from the following data gathered by a student; 8100 J were needed to distil 2.95g of water. a) Explain why the boiling tube was surrounded with expanded polystyrene (or other similar insulation)‚ but the condenser was left uncovered. b) Before any water was collected
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be varying in density and other things. As far as i know water would seem to boil faster. As it has a boiling point of 212 degrees fahrenheit. That is just the boiling point of the water with nothing else. But when you boil different things with other stuff like sugar and where acidity levels are different you get other results. It may boil slower or faster depending on what is the liquid made of. Last year my project was what type of water boils faster. It was sugar. If this is the case maybe
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ways in which the organisms and the environment change in response to each other. A pond and its inhabitants provide a good example of these interrelationships. A pond contains: a. soil consisting of rock‚ minerals and dead remains of organisms b. water with minerals c. aquatic plants including algae d. aquatic animals like snails and tadpoles e. bacteria and other microorganisms such as protozoans All these components interact to produce a system called an ecosystem which is constantly changing.
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Complexometric Determination of Water Hardness. Abstract: Using complexometric method of calculating water hardness‚ an EDTA solution was made and calculated to be around .00209M. This EDTA solution was then used to titrate a water sample with unknown hardness. The sample used was sample #18. The hardness of the sample was calculated to be 180505 ppm. This is within normal levels for the Mesa area. Introduction: This experiment focuses on titration with EDTA. Titration
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1. Put your safety goggles and lab coat on. 2. Gather all the necessary materials in order to conduct this experiment such as boiled water‚ distilled water‚ calcium chloride‚ distilled water‚ glycerin‚ test tubes‚ nails‚ test tube rack‚ graduated cylinders‚ tongs‚ scoopula‚ erasable marker and parafilm. 3. With the erasable marker‚ label the ten test tubes from 1 to 10. 4. For Test Tube 1‚ drop an iron nail in it without adding anything else. Place the test tube into the to-be-heated rack (50⁰F)
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of Morris water maze is as follows. 1. Preparation 1) A circular pool with a diameter of 150cm and a depth of 50cm. Use a white pool for black mice and black pool for white mice. The interior surface of the pool contains high contrast spatial cues‚ and they are above the water surface. 2) The test room are separated so that the animal being tested cannot see the observer during the test. 3) Put a 10cm diameter white platform in the white pool. Fill the pool with room temperature water until the platform
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