Experiment 2: IDENTIFICATION OF UNKNOWNS BY TLC AND MP IN COMBINATION Introduction: Thin layer chromatography (TLC) is one of the most valuable techniques in organic chemistry. This is a best method of separating and identifying mixtures of two or more compounds. The separation is accomplished by the distribution of the mixture between two phases: one that is stationary and one that is moving or mobile. Chromatography works on the principle that different compounds will have different
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process of distillation. Distillation is the separation of volatile substances mixed with nonvolatile substances by boiling the mixture to alter the phase of the volatile substance. The researchers used the simple distillation set up to conduct the experiment. 25 ml of The Bar Vodka was used and 7 ml of distillate was collected before a temperature of 95 degrees Celsius was reached. Collected distillate was then subjected to a flammability test to confirm ethanol content. The percent ethanol was computed
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Experiments in physics lab report Department of Electrical Engineering Isabela State University Ilagan Campus‚ Calamagui 2nd‚ City of Ilagan‚ Isabela baccaljoemel@yahoo.com Submitted to: Engr. Rafael S. Ramos Physics12 Professor Submitted by: Joemel L. Baccal BSEE IIA Experiments in Physics Lab Report Joemel L. Baccal Department of Electrical Engineering Isabela State University - Ilagan Campus‚ Calamagui 2nd‚ City of Ilagan‚ Isabela baccaljoemel@yahoo.com Abstract In
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FIRE RESISTANT BALLOON: Materials - 1 matchbox - 1 candle - 1 yellow colored balloon - 1 blue colored balloon - Half a cup of water Procedure: 1. For this experiment‚ the independent variable is whether the balloon is filled with water or not. The dependent variable is what happens to the balloon when it is placed above the lit candle. This is determined by observing the balloon. The constants (control variables) are how much the balloon is inflated and the amount
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While sitting in my daughter’s room in our home‚ I observed her play with her three baby dolls and her kitchen set which is against her wall by her princess vanity. My daughter is 5 years old and I quietly observed her on 3/17/17‚ roughly about 1 hour and 10 mins. My daughter had her pink and white chef outfit on‚ using it as she pretends to cook her “babies” something to eat on her kitchen set stove. I then asked several questions as I observed her playing with her toys. I asked her what did she
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Deandra Mckie E. Dekline English 201-085 16 April‚ 2013 A Doll’s House: Woman Sacrifices How would you like to live in a society in which you were subjected to live for a man and not yourself. A Doll’s House by Henrik Ibsen tells the story of Nora a wealthy woman and the struggles she as well as the other female characters in a male dominant society face because of their gender. In this essay I will discuss how the women in Ibsen’s society scarifies themselves in order to remain in there gender
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SYNOPSIS The case study is about Haute Couture Fashion Bhd (HCF) and how it ran into trouble in early 2009. HCF was established in the 1974 with first fully equipped factory in Penang then started out as a small unlisted family business in the clothing manufacturing business. HCF has very quick established as high quality manufacturer of both men’s and women’s clothes. The case relates‚ in particular‚ to the problems currently being faced by HCF. Its new Managing Director‚ Jeffrey Cheong had just
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The House That Built Me There’s an empty house that sits in the middle of a block. It has white siding and a green roof. It has an attached garage‚ a small block of concrete that makes up the front porch‚ and a large back yard. To look at it now‚ you might never know that this house was home to a family for almost fifty years. When my mother was three years old‚ her father put the finishing touches on a house that he built with his own two hands. When my mother was three she moved‚ with her two
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Synopsis The case started with the dilemma faced by the protagonist‚ Jeffry Cheong when both of his major clients KiKi and Houida (European fashion houses) was writing to Jeffry to inform him that they may be looking forward to China as the prices are very competitive. Jeffry Cheong was managing director at Haute Couture Fashions Bhd (HCF). Loss of its major two clients (KiKi and Houida) would be catastrophic to HCF as now the financial statement of HCF showed HCF has been experiencing falling margins
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Rikitta Chowdhury A Doll’s House How was your understanding of cultural and contextual considerations of the work developed through the interactive oral? I understand better that women had very little say over political and economic matters and they were economically‚ socially and psychologically dependent on men. Especially on the institutions of marriage and motherhood. Also towards the end of the 19th century the world was changing drastically in terms of politics and economy so people at that
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