(drinking) water. In order to evaluate this effectiveness‚ the yield and purity of only the ice product is investigated before and after a number of wash cycles. A 1000g solution of 5 wt% CuSO4 underwent crystallization for one hour with the use of ice crystal seeding and the agitation of a stirrer at 500rpm. After the crystallization process‚ the mass of the ice product and filtrate were recorded. The ice product was then washed with de-ionised water under Buchner vacuum filtration‚ before the
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December 29‚ 2013 was the date that I recall when it happened. It was a chilly winter day in Kagawong. I was visiting my grandparents house about a mile from the town on Manitoulin Island in Canada. Ice hung off the tree branches in glistening icicles. Snow‚ as tall as a mailbox‚ was piled up on the sides of the roads. It was only noon when my grandpa walked into the room. My grandpa is a tall man with broad shoulders‚ grey hair‚ and a black and white beard. He always wears his brown boots with a
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during the sweepstakes‚ his team was enveloped in ‘air thick as smoke with whirling snow. Gritty as salt it was‚ and stinging like splinters of steel. It baked into my furs and into the coats of my dogs‚ until we were encased in snow crusts solid as ice. The din deafened me. I couldn’t hear‚ couldn’t see‚ couldn’t breathe. I felt as if the dogs and I were fighting all the devilish elements in the universe.’ Every fifteen minutes‚ Allan stopped his team and crawled up the gang line‚ putting a hand on
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The cryosphere is a term which describes a place of the Earth’s surface where water is in solid form‚ include snow‚ ice‚ glaciers‚ ice shelves‚ ice caps… The cryosphere is a part of global climate system. Now‚ we are facing with this big problem‚ the global warming is a one of the most important‚ but it also cause this problem‚ the melting ice. The whole amounts of ice are melting and shrink slowly by the time‚ the main reason is temperature rising. The cryosphere is also melting beneath the ground
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Detailed Lesson Plan in Science IV (Soil Erosion) I. Learning Objectives a. Identify the agents of soil erosion. b. Explain how each agents cause erosion. c. Perform related activities enhancing knowledge about soil erosion. d. Enumerate ways and means on how to help prevent soil erosion. II. Subject Matter a. Topic: Soil Erosion b. References: c. Concepts: Soil Erosion and its Effects d. Sciences Processes: Observation‚ Experimenting‚ Analysing e. Materials: 2 large
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purification process. When we put the water into it‚ there was some of the unknown lost on the stirring rod‚ as well as solid impurities floating at the top of the mixture. Crystals began to form almost immediately‚ even before the mixture was put into the ice bath. The
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Cfc10: children’s play and leisure activities in the community Pool and track Chingford 170 Chingford Rd London E17 5AA 020 8527 5431 This place is for every one who likes to take parts in swimming and exercise. It also has a gym which you can use to reduce fat. Children will enjoy the swimming pool the most‚ because they like to entertain themselves and to have exercise at the some time. When children are swimming they make new friends and using a lot of energs.forexample they
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Icy Friendships The air was ice cold and dry; so cold that with each inhalation‚ my nostrils burned and as I exhaled my breath was as thick as fog. In the distance I could hear the tapping of the woodpeckers pecking up in the trees and the echoes of pine cones as they hit neighboring patios. With the sun shining bright and Mother Nature at peace‚ who could have possibly foreseen what was to come. Two girls had set out on a trip to the liquor store and returned home with far much more than
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river of ice‚ formed from compacted layers of snow that has basically accumulated for more that a year‚ which slowly deforms and flows in response to gravity and high pressure. The first year of snow fall is called a neve‚ then after the snow stay for more that one winter it’s called a firn. (Grabianowski). Extensive glaciers can be found in the Antarctica‚ Greenland‚ Iceland‚ Canada‚ Russia and Alaska. One of the largest reservoirs of fresh water on earth is Glacier Ice‚ and is the
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iron magnets of equal size and strength‚ * thermometer (minimum range 0–100°C)‚ * tongs for holding magnets (preferably plastic‚ for minimizing heat transfer)‚ * dry ice (frozen CO2)‚ * water ice‚ * insulated containers to hold ice and dry ice‚ * thick insulated gloves for handling dry ice‚ * small pot‚ * water‚ * stove or hot plate for heating water‚ * 2 large plastic bowls‚ * at least one box of standard #1 paper clips‚ * if you have
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