The Effect of Chemicals on Fire In this lab we got to see the effect of chemicals on fire. We got to. See the flames change to different colors. The size of the colorful flame depended on how the Bunsen burner was turned on. I was sick when we were supposed to have the lab read‚ but I got it read the next day before class. During the lab I made sure to have the correct attired on: my goggles and apron. Ow ill go ahead and tell you five good safety precaution tips. One‚ never leave a lit
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leave it for 40 minutes. - After 40 minutes‚ take the Visking tube out and put aside - Observe and record the colour of solution in the Visking tube and in the beaker. - Test both solutions for the presence of glucose using Benedict’s solution. Pour 2ml of each solution into separate test tube and add 1ml of Benedict’s solution. Heat the mixture in the water bath for 5 minutes and record the colour change. Result : |Solution in |Contents |Iodine |test
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Naomi Klein has been deemed a celebrated writer of the modern day era. In her article ‘This Changes Everything’ she lays predominant focus on chivalrous protection developments that she names Blockadia‚ the prime example is taken from North Dakota where water guardians of the indigenous community are a piece of a worldwide system of developments battling outrageous removal. Black lives matters has been one of the most noteworthy movements in the recent decade with utmost importance due to its target
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Nobody knows what your fate is because it is in the future. To me‚ you should always be ahppy as your life goes on because you will never know what will happen next. You never know what you can control in the future whether its good or bad. You should always have a good attitude about life. There are many reasons why you should always have a good attitude aobut life.k Fate is destiny and that the fuute so you should realize that you will never know what will happen in the future whether good or
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In This Is How You Lose Her by Junot Diaz‚ the main character Yunior indicates he is bad guy by materializing and objectifying the women that are in his life. While Yunior has been with several women throughout the book he indicates how he only is with some women for their appearance. While Yunior is in a relationship with Flaca for two years‚ it shows how he does not want anything serious with her as he says that he never “claimed” (Diaz 84) Flaca. Yunior says‚ “You were whitetrash from outside
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and Nick Mahan. Our question was can you make a lava lamp out of household items. Our hypothesis was you can if you find the right items. We were right you can if you put vegetable oil on top of water and then put the food coloring in and the ad Alka-Seltzer. Our background info is that vegetable oil is used to cook‚ water you used to drink and stay alive‚ food coloring is used to make food colorful‚ Alka-Seltzer it is used to make head aches go away if you put it in water and wait for I to dissolve
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Computer The Determination of a Chemical Formula 1 Second‚ you will conduct a chemical reaction with the dried sample‚ which will produce elemental copper. By measuring the mass of copper that forms‚ you will have the necessary information to determine the moles of copper and chlorine in your sample‚ and you will be able to establish the proper chemical formula. OBJECTIVES • • • In this experiment‚ you will Ev al Determine the water of hydration in a copper chloride hydrate
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Determination of Chemical Formulae: The Reaction of Zinc and Iodine By Sarah Abstract: The main objective of this experiment was to use to the reaction between zinc and iodine to examine the validity of the Law of Conservation of Mass and the Law of Constant Composition. The Law of Constant Composition was tested by determining the mass of each of the reactants‚ zinc and iodine‚ and comparing their total to the mass of the zinc iodide product plus the excess zinc. The total mass of the reactants
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the equity beta. To start with‚ we have to state the difference between business risk and financial risk. Business risk represents the risk of the firm’s assets when no debt is used. It is then the risk that is inherent to the firm’s operations. This risk is represented by the asset beta‚ β(a). Financial risk takes into account the firm’s leverage. The leverage will have an effect on the stakeholder’s risk. If leverage is too high‚ amongst other things‚ the risk of bankruptcy increases: the risk
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made. The suspect was then taken to a holding cell where he was left blindfolded to ponder his fate and wonder what he had done to get himself into this mess. Consider the police procedures which make arrestees feel confused‚ fearful‚ and dehumanized. Note that this policeman is wearing sunglasses just like those we had our "guards" wear and as did the head of the National Guards at Attica Prison during its bloody 1971 riot! What suspects had done was to answer a local newspaper ad calling for
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