melting point of benzoic acid was observed in range 122 to 125 ¨¬C. By comparing melting point of benzoic acid (121 ¨¬C) with result from part A‚ the result is little higher than the pure melting point. So I can tell it is little contaminated. Identification of an unknown sample (compare its observed melting range with known compounds). Unknown #42 was found to have a melting range of 99 to 101 ¨¬C in 1st trial and 95 to 97 ¨¬C in 2nd trial. The only one given pure compounds with similar melting ranges
Premium Liquid Temperature Solid
Tonja Libbey Elizabeth Devore ENG: 21011-206 02-06-13 Reflections; Rhetorical Analysis In “Reflections: Why We Play the Game” by Roger Rosenblatt‚ the author discusses and elaborates on three sports; baseball‚ basketball‚ football and why baseball is more of an American sport than the other two sports. Mr. Rosenblatt gives great detail about each sport and how each player’s option played can affect the outcome of the game. He gives great detail of how we chase the ball in these games. He is
Premium United States Sport Baseball
BIOMETRICS IDENTIFICATION ATTENDANCE MONITORING SYSTEM Time is a special resource that you cannot store or save for later use. Everyone has the exact same amount of time each day. Time not well used cannot be retrieved. Most people feel like they have too much to do and not enough time. They blame lack of time for their poor finances‚ unachieved goals‚ stress‚ bad relationships and not exercising their body. Wise time management can help you find the time for what you desire to do or need to
Premium Biometrics Management Working time
Artificial Intellegence: Identification And Description Of The Issue Over the years people have been wanting robots to become more Intelligent. In the past 50 years since computers have been around‚ the computer world has grown like you wouldn’t believe. Robots have now been given jobs that were 15 years ago no considered to be a robots job. Robots are now part of the huge American government Agency the FBI. They are used to disarm bombs and remove dangerous products from a site without putting
Premium Alan Turing Artificial intelligence Computer
Risk Identification Paper George Selmeister CPMGT/302 December 1‚ 2014 DARYOUSH TEHRANCHI Risk Identification Paper Scenario Three Projects within an organization‚ like a tree‚ has grown and flourished immensely as time has passed. The roots of project management are deeply embedded into almost every aspect of our way of life. Each distinctive branch of any given project has opened doors and paved way for new growth and new ideas to better improve our already solid foundation of basic concepts
Premium Project management Risk management Management
Roger Sherman was one of the most powerful members of the Constitutional Convention. Even though he was one of the most active members at the Constitutional Convention He was not known for his actions as the Constitutional Convention because he didn’t keep records of his experiences there. When Sherman came to the Constitutional Convention‚ he didn’t want to make a new constitution; he wanted to modify it to make the current government different. “The problem with the old government was not that
Premium United States United States Constitution President of the United States
The Communist Manifesto By Roger Spalding‚ History Review 2000 Roger Spalding introduces one of the most important publications in modern world history. The Communist Manifesto was a product of the social‚ economic and political turmoil that characterised Europe before 1850. Both of its authors‚ Marx and Engels‚ were touched by elements of this turmoil. Karl Marx‚ born in 1818‚ came from the Rhineland‚ an area occupied by the French during the Napoleonic Wars. During this period the French abolished
Premium Karl Marx Marxism Communism
...........................................................................................3 Key issues........................................................................................................................................4 Identification of one key problem and the opportunity……………………..................................5 Alternative solutions to the one key problem………………………………………..……...….....6 Selected solution and why it was chosen…..……………………………………………...……....7 Recommendation(s)
Premium Student Fast food Lunch
oneself can decide how valuable their life is and can be. Through your good and bad actions‚ you ultimately decide how valuable your life is‚ and based on your decisions in life‚ people will have a negative or positive view on you. The late Roger Ebert‚ an internationally known movie critic‚ most aligns with how valuable life is. Even though he may have had innumerable problems with his health‚ he still tried to
Premium Happiness Personal life Life
Identification of a Hydrate Based on Percent Water Varun Wadhwa 11/19/12 Introduction The identity of an unknown hydrate was determined by massing the hydrate before and after heating and calculating the percentage of water. Procedure First‚ we cleaned‚ dried and heated an evaporating dish for five minutes on an iron ring with the Bunsen burner and massed it. Then‚ we added 2 grams of an unknown hydrate and calculated the mass of that. Next‚ we used gradually increasing heat for
Premium Liquid Evaporation Water