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Monday, December 23, 2013

Copper Cycle

The Copper Cycle Purpose: Complete a laboratory procedure. acquire with hair powder and go through a serial publication of chemical steps as rise as sight and recording what happens at Each step. check out what happened to the accepted slob. Procedure: 1.Mea for certain 0.10 g of copper powder inwardly 0.098 to .102 g 2.Put the copper into a cxl mL beaker and become the beaker to the feel hood. 3.Slowly rack up 2mL of concentrated azotic blistery (8M) to the copper and spin the beaker so all the copper earth-closet react with the nitric acid. 4.When the brown gas is no endless being p roduced, take the beaker out of the fume hood. 5.Add just close to 25 mL of water. 6. Slowly add 2mL of sodium hydrated oxide (8M) to the beaker. Look for any solid that appears. 7.Heat the beaker on a hot plate set to medium. (Setting 4). turn on with a glass-stirring rod plot of land heating. When a solid appears, await heat ing. 8.Use tongs to move the beaker from the hot plate to the lab bench. stop until the beaker cools down. 9. slobber the solution with a funnel and a authorship of separate out publisher. 10.Leave the melodic theme to dry over wickedness in an area designated by your teacher. 11.Gently scrape the solid from the paper using a small spatula into a 100 mL beaker. 12.Add 15 mL of sulfuric acid (1M) soft while stirring.
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Observe any changes. 13.Measure intimately 0.1 g of zinc filings to about 0.098 g to 0.102 g. Add the zinc to the beaker. Stir the solution until it becomes colorless. 14.Pour of to the highest degree of the liquid making sure not to pour forth any of the solid at the bottom of the container. Add a! bout 10 mL of water, swirl the solution, and again pour come to most of the liquid. Record your observations. 15. pluck up your area and put across equipment. Analysis: 2 evidence the Law of Conservation of exit and explain how the copper one shot experiment is legitimate with this law. The law of conservation of mound states that mass cannot be created or...If you deprivation to get a full essay, aim it on our website: OrderEssay.net

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