(Ba(OH)2). Through the conductivity‚ the equivalence point can be determined; from there‚ the concentration of the Ba(OH)2 solution can be found. The final product of the reaction between sulfuric acid and barium hydroxide is insoluble. According to the lab manual‚ during the reaction‚ the total number of dissociated ions in solution is greatly reduced as a precipitate is formed. With the Conductivity Probe‚ the changes in conductivity of the solution will be analyzed. The collection of Ba(OH)2 precipitate
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Although I love science‚ I encountered more problems in this subject than any other. Recently‚ I was assigned a lab. The purpose was to let Copper Sulfate react with Aluminum and obtain Copper. Before the experiment‚ I set up the stoichiometric equation carefully‚ predicting the production of Copper using my assigned mass of Copper Sulfate. Additionally‚ I intentionally made Copper Sulfate an excess in my equation‚ since it would be dissolved in water and I would only have to collect Copper at the
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Objective: The purpose of the lab is to learn filtering techniques. Specifically‚ to form and filter a calcium carbonate precipitate using a Buchner funnel. Procedure: a.) Prepared a mixture of .5 M calcium nitrate (45 mL) and .01 M sodium carbonate by combining and stirring the two liquids in a beaker. Allow the mixture to stand. b.) Prepare the filtration assembly. The assembly consists of a tapered flask with a buchner funnel inserted in the top. The funnel has a rubber stopper attached
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The Effect of Temperature on the Rate of the Reaction Between Calcium Carbonate and 1.0 M Hydrochloric Acid Josue Montoya IB Chemistry SL Mr. Pham Due Date: 07 March 2013 Dates Experiment Was Conducted: 27‚ 28‚ 29 February 2013 INTRODUCTION Research Question: How does altering the temperature at which calcium carbonate and 1.0 M hydrochloric acid react‚ affect the rate of reaction? Aim: The purpose of the experiment is to demonstrate
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Experiment 12: Calorimetry and Hess’s Law Purpose: The purpose of this lab is to determine the enthalpy of reaction for the burning of one mole of magnesium in oxygen. Although the reaction is exothermic‚ the ∆HRXN will be determined by using calorimetry and then using Hess’s Law to manipulate the data collected to yield the answer needed. Procedures: Dillon‚ Stephanie. “ Calorimetry and Hess’s Law.” Laboratory Manual. Pearson Publishing‚ 2012‚ pp.168-177. Data and Results Part A
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Colors of the Rainbow ENG/125 January 31‚ 2011 Race‚ segregation‚ and discrimination is still being talked about even to this day after everything that had went on. It only seems right that race and ethnicity is discussed in the month of black history. This is the time that we celebrate the accomplishments of one special man that allowed us to see past color and ethnicity; the one we call Dr. Martin Luther King. We have come a long way from back in the day when two different races were
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Writing an Organic Chemistry Lab Report Components of a Laboratory Notebook The following components should be contained for each experiment‚ along with any additional material required by your instructor. • Title and date • Introduction (purpose‚ reaction) • Physical data (including calculations) • Procedure outline • Data and observations • Discussion of results (conclusions) Prelab Title and Date Give the title of the experiment and the date on which
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Rainbow appears in the sky at the end of the rain. It is a long and wide band of seven colours. It forms a semicircle going from one end of the earth to the other. Scientists say that when sunlight passes through a thin medium to a denser medium‚ all the seven colours which are present in the white light form a semi-circular rainbow. The seven colours are violet‚ indigo‚ blue‚ green‚ yellow‚ orange and red. People believe that if a rainbow appears after the rain‚ it is an indication that there will
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side of invasion with your broiled rainbow trout? Rainbow trout threatens native salmonids‚ brook trout and Atlantic salmon What comes to mind when you hear the words rainbow trout? Perhaps you think of a delicious Sausage-Stuffed Rainbow Trout dinner‚ or if you’re a kid‚ Rainbow Fish and Ruby meet their long lost cousin. But‚ have you ever thought of rainbow trout as a threat‚ a “bully” towards native species of fish? Of course not! After all‚ they’re rainbow right? Doesn’t that mean they’re
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Rainbow Land ‚ a colorful theme park are developed by our company. The idea of develop this Rainbow land is derived from Candy Crush Saga and Wreck-It Ralph. Nowadays‚ everyone crazy on Candy Crush Saga and we can see people around us are keep holding a cell phone to pass this games‚ no matter where they are and no matter how old they are. Candy Crush Saga is getting more and more famous around the world. Candy Crush Saga ‚ one of the famous games in Facebook and now the fact that Candy Crush
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