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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Data Tables: Part 1: |Chemicals|Well No.|Observations of the Reaction| A.|NaHCO3 + HCl||Bubbling in center of droplets. Homogeneous| B.|HCl + BTB||Turns yellow immediately after contact. Homogeneous| C.|NH3 + BTB||Turned dark blue. Homogeneous| D.|HCl + blue dye||Solution turns green immediately after contact. Homogeneous| E.|Blue dye + NaOCl||Stays blue. Homogeneous| | with the 1 drop of HCl||Mixes and turns a bluish green color. Homogeneous| F.|NaOCl + KI||Slightly yellowish tint to the
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Anne Frank was a very fun poem/play to read and I think all of us enjoyed it. Filled with suspicion and comedy‚ romance and seriousness it was sure to keep everyone interested. Most people thoroughly enjoyed the story whether they were just narrators or characters. It kept everyone on the edge of their seat with the apprehension‚ waiting to find out what happened next. The main character of this fabulous story was the oh-so fabulous Anne. She is bubbly and fun and never skips a beat. She always
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Properties of Chemical Reactions Ms. Whitty‚ Science 10 Fiona Adams‚ November 1st‚ 2012 Introduction Chemical reactions are a part of our daily lives‚ from rusting metal to making bread to leaves changing colour in the fall. A chemical reaction is the process that occurs when two or more substances combine to produce a chemical change. When a chemical reaction takes place‚ the change is indicated by one or more qualitative properties. The colour or odor could change‚ gas could be produced
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Experiment 1: Observations of Chemical Changes Purpose: To observe the macroscopic changes that occur in chemical reactions and attempt to interpret the microscopic changes of the atoms and molecules that allow for the macroscopic changes to happen; and to associate these chemical properties with household products. Also‚ it is to learn the importance of how to separate mixtures into their component substances by solubility. Procedure: Before starting with the official experiment‚ it was important
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television and women journals as Pink is widely known for selling the best women wear. Pink’s products mainly take advantage of Victoria Secret brand as it is known of everybody‚ and can be seen in fashion places such as catwalks‚ fashion shows where buyers can gain knowledge of the product sold. Buyers can also be driven by internal sources such as their own experiences of Victoria Secret’s product buyers. Thus‚ it can be said that information regarding Pink products can be easily found‚ in places devoted
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Most people have experienced jealousy in their lives. Furthermore‚ most people have had to live with difficult choices they have made. In the short story‚ “The Lady or the Tiger” Frank Stockton tells the story of how jealousy and difficult choices lead a princess to condemn her lover to a terrible death. Due to the princess’s barbaric nature and fervid jealousy of the maiden‚ she directs her lover to the door that contains the tiger. First of all‚ the princess’s jealousy surfaces when the princess
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CHEM 1105 Experiment 4: Determination of a Chemical Formula Introduction When atoms of one element combine with those of another‚ the combining ratio is typically an integer or a simple fraction. The simplest formula of a compound expresses that atom ratio. When two or more elements are present in a compound‚ the formula still indicates the atom ratio. To find the formula of a compound we need to find the mass of each of the elements in a weighed sample of that compound. For example‚
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it occur in literature‚ it occurs in real life. The world’s history is plagued with unfairness and inhumane acts of injustice. For instance‚ the genocide of Jewish people occurred because of Adolph Hitler and his acts of cruelty. The Diary of Anne Frank showcases the injustice she‚ along with others‚ endured for the sake of their survival. She suffered a racial injustice‚ but the biggest injustice is that she did not survive after all the wasted time she spent trying to live normally. Because
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being challenged‚ questioned and their worth reassessed. As a result of texts’ questioning nature‚ responders gain a deeper insight into the subject matter which heightens or lessens their credibility. This is evident in Simon Nasht’s documentary Frank Hurley-The Man Who Made History (2004) and Hannah Kent’s historical fiction Burial Rites published in 2013. Via the use of literary and filmic techniques‚ notably narration‚ montage‚ point of view and embellished retelling‚ each composer provokes questioning
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