Date: 20/03/13 Flame Test – Investigating Compounds Aims To identify the presence of a relatively small amount (ie low concentration) of a metal ion in a compound. Method 1. Clean a platinum or nichrome wire by dipping it into concentrated hydrochloric acid. 2. Hold the platinum or nichrome wire at the hottest or blue part of a non-luminous Bunsen flame. 3. Repeat until the wire does not produce any colour in the flame (note: do not touch the wire‚ as salt in sweat will produce
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References: Garcia‚ C. (2005). Laboratory experiments in organic chemistry. Manila: University of Santo Tomas. http://www.stevens.edu/wit/research/samples/plipsy_organic_chemistry_lab_report.pdf Retrieved Jan 1‚ 2013) http://www.nbs.csudh.edu/chemistry/faculty/nsturm/CHE301/Thin%20Layer%20Chromatorgaphy%20Experiment
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Guy Montag relates to this quote in the story by going against the government and fighting for books. In the beginning of the novel Montag has no respect for books as he is a fireman and burns peoples house down that is caught with books‚ but later finds out about the truth of books. This refers to the theme of state-sponsored censorship. In the beginning of the story Montag meets a young girl named Clarisse McClellan. She makes him think‚ which he isn’t used too. She is the first to change his
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Experiment #8: Limiting Reactant Abstract In chemical reactions‚ the significance of knowing the limiting reactant is high. In order to increase the percent yield of product‚ increasing the limiting reactant‚ possibly‚ is the most effective. In this experiment we were able to calculate limiting reactants from the reaction of CaCl2. 2H2O + K2C2O4.H2O(aq). As a group‚ we obtained our salt mixture of calcium chloride and potassium oxalate‚ and weighed the mixture. We were able to make an aqueous
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The testing for the Doll Test OR Eye Color Experiment resonated more with children is because children are brought up in discrimination house hold. Doll test told that how equal size the dolls were except for their color‚ to test children’s racial perceptions. Their subjects‚ where at least the children between the ages of three to seven‚ were asked to identify both the race of the dolls and which color doll they prefer. Eye Color Experiment talks about on how children treated each other by eye color
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ENG-112-E1 20th March‚ 2013 “Trying to Find China Town” For Analysis 1. Benjamin is revealed his ethnic towards becoming a Chinese and how they look and define as a Chinese. Benjamin thinks he knows more because of his knowledge about the history‚ although he is a Chinese-American. But Ronnie argued he is a Chinese because his skin tone. They both are arguing different things. 2. Benjamin considers himself as Chinese is because he is a Caucasian Asian American and he knows the cultural
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addressed in the modern day. Although many of us would agree not to commit crimes‚ Milgram’s experiment proves that humans are easily manipulated. At the beginning of the 1930’s‚ Adolf Hitler’s Nazi Party exploited the widespread discontent in Germany to attract popular and political support. Though the Germans were
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with ~0.04M NaOH solution. (Make sure to write down the actual concentration.) (8) Titrate (7) with NaOH until you get a permanent‚ faint pink solution. (9) Repeat (5) to (8) for a second determination. Calculations : (C1) Calculate the amount of NaOH used in the titration. (C2) Calculate your solubility of potassium hydrogen tartrate in M. (C3) Calculate your solubility product‚ Ksp‚ of potassium hydrogen tartrate. Post lab Questions : (Q1) What are you assuming the filtrate is
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1) What is the role of calcium ions during contraction of a skeletal muscle? Calcium is an important element for live. Calcium is found in the bones of animals and humans. In muscle contraction is produce as a result of Calcium ions ‚ Ca2+‚ It comes from rapid release from the cisternae of the sarcoplasmic reticulum which cause a chemical reaction between ATP and the myofilaments. Another important function of Calcium ions occurs during the state of resting muscle. During the state of resting
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Morningstar- www.morningstar.com Need to register • Enter ticker‚ click quotes & reports • Click snap shot (top of navigation bar on left) • Click Industry peers (folder across top) ----------------------- What Web Sites Do You Use to Find [pic] PT\efghpq€‰‘ÎÏÑÜÞßóëóÙÊ󺯤¯¤™¤ŒŒrŒe_WPHjh;yU[pic] hn[[?]h;yh*K“h;y5?h;y0Jhö:Uh$-M0JB*phÿhö:Uh}Z40JB*phÿhö:Uh¬L50JB*phÿhö:Uhn[[?]0JB*phÿhö:Uhn[[?]OJQJhö:Uh¬L5OJQJhö:Uh$-MOJQJ h3èOJQJ
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