1. What was America’s first penny candy to be individually wrapped? Tootsie Rolls were the first individually wrapped candy and were sold for one penny each beginning in 1896. http://www.ehow.com/about_5435061_whatever-happened-penny-candy.html 2. At which fraternity at which college was the movie Animal House based? The Alpha Delta fraternity at Dartmouth College in Hanover‚ N.H.‚ is said to be the inspiration for the 1978 movie "National Lampoon’s Animal House." The house was raided by police
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Writing of Lab Reports __________________________________________________________________________ W hy should I bother writing lab reports in the correct way?” The Foundation Programme is designed to prepare you for undergraduate studies at UTAR which will require the writing of lab reports all years generally. At the end of your third year‚ you may have an opportunity to work on scientific projects which will culminate in an official scientific report. Depending on the quality of your report
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all just agree that the penny should be removed? Is it possible that simple nostalgia and our fond memories of "take a penny‚ leave a penny" trays are protecting a coin that’s worthless to pretty much everyone besides the multinational conglomerate that helps produce it? And if not‚ why exactly is the penny worth keeping around? The penny for some time has been the “throw-away” change thus having a negative impact on the economy‚ because with all the accumulated pennies‚ is all the money thrown
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volume‚ mass‚ and density of objects and liquids. Time Allocation: Allow 2 hours for this experiment Materials Materials Student provides Label or Box/Bag Qty 1 1 1 1 1 LabPaq provides Auxiliary Supplies BagCK1 © Hands On Labs‚ Inc. 1 1 1 1 1 1 1 1 1 1 1 LabPaq CK-1 Item Description Table salt Piece of string Isopropyl (rubbing) alcohol Tap water Paper‚ 5 cm x 5 cm for weighing chemicals Beaker‚ 100 mL‚ glass Cylinder‚ 25 mL 25-mL volumetric flask
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Purpose: The purpose of the lab was to investigate and demonstrate hydrogen bonding and London dispersion bonding in water and rubbing alcohol. Hypothesis: I believe water will have the greater surface tension because rubbing alcohol’s density is lower than water’s. Materials: * Water * Isopropyl alcohol (rubbing alcohol) * Pennies * Paper clips * Flasks * Cups or jars * Wax paper * Eyedropper Procedures: Part 1: Surface tension and vortex: * Fill
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loose. Ammonium sulphate White gel-like precipitate‚ the solution was thick. HCl White precipitate accumulated at the top and also the bottom of the solution. The solution was thin. NaOH No precipitate seen‚ the solution was cream in color. Copper sulphate Light blue coagulated precipitate seen at the top of the solution. Lead Acetate Cloudy solution with small specks of white precipitate. Ice cold ethanol Cloudy at the bottom and about 0.5 cm of the top of the solution was clear.
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Date report submitted: June 18‚ 2015 Title: Lab Techniques and Measurements PURPOSE: The purpose of this experiment is for the students to get a better knowledge with the laboratory tools and techniques. This experiment taught me how to convert between SI units and standard American units of mass‚ length‚ temperature‚ volume and time as well as how to measure the units. Students become proficient in laboratory techniques such as measuring temperature and volume and calculating within them. Procedure:
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Introduction: The purpose of this lab is to apply Mendel’s laws to predict the probability of the occurrence of a single event‚ of two independent events and of certain traits in offspring of parents exhibiting traits. Gregor Mendel was an Austrian monk in 1866‚ who studied how traits were passed using pea plants. From his studies of inheritance‚ he created three laws of inheritance: the law of dominance‚ the law of segregation‚ and the law of independent assortment. He called genes ‘’factors’’
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Fractional crystallization makes use of the differences of solubility to separate the components of a mixture. Goals: Applying fractional crystallization to separate a mixture of salicylic acid and copper sulfate pentahydrate into its components. Calculate the percent of salicylic acid and copper sulfate pentahy- drate in the mixture. Procedure: Block/McKelvy/with contributions from Georgia Perimeter Faculty (2012) - Laboratory Experiments for Chem 1211L & 1212L Cengage Learning (7th ed.)
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Bunsen Burner B. Show to handle liquids and solids in lab. C. Basic safety and Electric balance. D. To show knowledge of being able to find volume of a liquid. II. Equipment. A. Bunsen Burner B. Rubber Hose C. Striker D. Electric Balance E. Crucible Tongs F. Piece of paper G. Gas and Knob H. Copper Wire I. 2.75g of Sugar J. Test Tube K. Graduated Cylinder L. Water III. Procedure • Put on Safety Goggles. • Bunsen Burner Lab o Attach Rubber hose to gas line o Turn Gold knob counter
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