Analysis of Soda Ash and Carbonate-Bicarbonate Mixture Submitted: February 27‚ 2013 Department of Chemical Engineering‚ Faculty of Engineering University of Santo Tomas España‚ Manila Abstract A standard acid solution like HCl can be used as titrant for the analysis of both soda ash and a carbonate-bicarbonate mixture. In the analysis of soda ash‚ the volume needed to neutralize the soda ash is used to compute for its alkalinity‚ in this experiment we obtained a 17.6 % alkalinity with an error
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BU204/02 Unit 8 June 14‚ 2011 Question: In Westlandia‚ the public holds 50% of M1 in the form of currency‚ and the required reserve ratio is 20%. 1. Estimate how much the money supply will increase in response to a new cash deposit of $500 by completing the accompanying table. (Hint: The first row shows that the bank must hold $100 in minimum reserves—20% of the $500 deposit—against this deposit‚ leaving $400 in excess reserves that can be loaned out. However‚ since the public wants
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conduct and taught based upon the primary instruction and introduction to mixtures. With this lab I was able to determine and execute the proper separation of a mixture of solids through various means‚ such as evaporation and filtration. Using these techniques presented the separation of different ingredients from a mixture was conducted based upon the usage of individual physical properties of each substance presented in the mixture. . Observations: Throughout this experiment I noted several things
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and SiO2 in a Mixture with the use of Separation Techniques Castro‚ Sarleen G.* Cid‚ John Emmanuel V.‚ Clemente‚ Christian Joy G. Group 5‚ 1CHEM‚ Department of Chemistry‚ College of Science‚ University of Santo Tomas‚ España‚ Manila‚ 1015 August 24‚ 2012 Abstract A mixture can be homogenous or heterogenous‚ depending if the mixture has been uniform throughout the mixture or not. One of the objectives is to separate C10H8‚ NaCl and SiO2‚ and determine their percentages in the mixture. Since the mixture
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Separation of a Mixture Do-Your-Own-Lab What you will need to do: 1. Create a flow chart for the separation of your unknown mixture – BERFORE doing lab 2. Create data table – BEFORE doing lab 3. Do lab 4. Analyze data – calculate percent composition of your unknown mixture = 15 points = 30% 5. Write a complete lab report = 35 points = 70% 1. A flow chart is often used to illustrate the steps involved in the separation of a mixture. Flow charts are constructed BEFORE
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Discuss the significance of binary oppositions in Ernest Hemingway’s “Cat in the Rain” A. Farahnak Looking at Hemingway’s “Cat in the Rain”‚ we can find obvious binary oppositions lying in its different layers. Under the concept gender‚ we can see the man/woman binary opposition from the beginning of the story. When at first we are introduced to the American couple‚ they are confined in their hotel room because of the rain. Later in the story the man is depicted as negligent to his wife’s constant
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Data Analysis The pH of a liquid affects the brownness of a banana. This experiment was started by the question‚”Does the pH of a liquid affect the browning time of a banana? “ The hypothesis was “that the lower the pH the less brown a banana will turn.”. The experimental group was bananas placed in liquids with varying pH levels : lemon juice‚ lime juice‚ vinegar‚ baking soda water‚ alkaline water‚ and distilled water. This experiment’s dependent variable is the number of spots each banana has
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Without the exploration of the liquid fueled rocket Robert Goddard made in 1926 the world would be almost no where today in space travel. And without his exchange with the Smithsonian Institution the liquid fueled rocket might not have been a possibility. Robert Goddard was born October 5th‚ 1882 in Worcester Massachusetts. His mother was Fannie Hoyt and his father was Nahum Goddard. As a child Robert was not the best student he missed many days of school in high school. However‚ he was very successful
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Which Liquid Dissolves Sugar Free LifeSavers Quickest? The purpose of my experiment is to find out which liquid‚(orange juice‚ water‚ Coca-Cola‚ or Sprite)‚ dissolves Sugar Free Life Savers the quickest.I think the Sprite will dissolve the Life Saver the quickest because it has the highest acidity‚ with ph levels reaching 2.4. The ph scale ranges from 0 to 14. Battery acid reaches 0 on the scale. 7 is considered neutral. Sprite has a ph level of 2.4. Coca-Cola has a ph level of 2.5. Orange juice
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and what amount of money is needed on a daily basis. Without a good understanding of a nonprofits financials the organizations will not be functional and will not be able to fulfil the organization’s mission. This essay will examine a nonprofit’s liquid assets to determine if it is enough for the organization to be successful and also give recommendations to strengthen the financial conditions. Overview Assets for a non-profit can be considered as what the organization
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