Determining the Percentage of Copper in a Copper Ore Aim: To determine the percentage of copper present in malachite. Hypothesis: That the percentage of copper in the malachite will be four percent. Materials: 2 x 250mL beaker‚ pestle‚ malachite‚ sulfuric acid‚ water‚ 2 x filter paper‚ funnel‚ filter stand‚ Safety Precautions: Wear safety glasses at all times when dealing with chemicals and apron to avoid ruining clothes. Method: Record the mass of the malachite sample. Place the malachite
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Copper Sulphate Calibration Aim The objective of this experiment is to determine the unknown concentrations of solutions. Introduction With the use of absorption of light a spectrophotometer sends UV wavelengths through solutions to determine their concentrations. The light absorbed is measured as the atoms‚ molecules and ions absorb the wavelengths of light that the spectrophotometer gives off (Meah‚2013). The level of light transmitted defines the amount of light absorbed‚ for instance‚ the lower
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Penny Argumentative Performance Task Garrett Forrest Do you think the penny should be preserved? The one-cent piece‚ commonly referred to as the penny has been in a giant argument in the United States about whether if we should keep the penny in circulation‚ or abolish the penny totally from the U.S currency. The penny should be abolished totally from the U.S Currency for several different reasons. To begin with‚ have you ever thought about the cost of a penny? If you ask a random person‚ they
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preservation of the past. The penny‚ despite its seemingly futile existence‚ is a major part of American history. It should remain in circulation not only because it is deeply rooted in society‚ but also because it is a constant reminder of our history. Due to the prominence of pennies in America‚ it would be nearly impossible to eliminate them from society. To begin with‚ the federal government would have to sway a society that is primarily in favor of keeping the penny in circulation (Harris Poll)
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We all know the penny‚ it is similar to the avocado due to the fact they both should be eliminated‚ but are still here today. The avocado should have been eliminated because its survival depended on the giant armadillo‚ and the penny should be eliminated because of inflation. Pennies should be abolished because it costs more to make than it is worth‚ we already abolished a coin without bad side effects‚ and most arguments against it have solutions. First‚ the penny costs more to produce than it is
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A Bill To Eliminate The Penny: Prelim Legislation #19: PRO The penny: Everyday you find them in your coat pocket‚ or lying on the sidewalk. Anyone who has been to a fast food restaurant has experienced the frustration of being behind someone who is attempting to pay for their purchase off the dollar menu with 100 pennies‚ wasting the time of everyone else in line. Pennies take refuge under couch cushions‚ and are either tossed to the side or put in a jar to be eventually traded in. In this day and
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In the novel Copper Sun the viewpoints were taken from a 15-year-old slave girl named Amari‚ and a 17-year-old indentured servant Polly‚ Copper Sun is a story of the struggles in the face of human beings during slave times and a hope for freedom against all odds and circumstances. In the novel the AOI that it is portrayed is the area of Health and social education. I chose this AOI because both Amari and Polly had to adapt to their new surroundings and they also had to learn the routes around the
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and nothing more. At night if you were female you got raped often. If you were a male you worked in the rice fields‚ with the alligators and the snakes and if you ever disobeyed or did something incorrect you were wiped and beaten. In the book the copper sun Amari the female protagonist‚ goes through these hardships and has to find some reason to live and fight for her freedom. Amari shows traits of perseverance‚ bravery and strength. But still through all of these things she fights to be free.
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the man tosses a penny in the air. It’s like he’s playing the game heads or tails to decide if he should or should not fall in love with this girl. It does not take long for the man to realize that it is okay for him to fall in love. The man does indeed love this girl very much and wants to spend the rest of his life with her. The poet states that “he’s looped in the loops of her hair”‚ meaning the man is blinded by her love. The man also admits that even without tossing a penny‚ he would have come
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Lucky Penny that is the nickname given to me by my parents gave me the day I was born. And by all outward appearances‚ I was indeed Lucky. My parents took good care of me‚ and I am sure I appeared spoiled. From my life’s point of view as well‚ I had all a child could want from a beautiful home‚ pool‚ pets that I loved‚ and all the fun toys from Barbie dolls‚ the TRS80‚ and my favorite by far the Atari. I really wanted for not‚ and even into my older years‚ life was good. I can only fathom that
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