EXPERIMENT 1: REACTIONS OF ENOLATE IONS WITH CARBONYL GROUPS Aims In this experiment we used two techniques for the reactions of enolate ions with carbonyl groups. One technique used was Doebner reaction and the other technique used was Claisen-Schmidt reaction. Therefore the aim of this experiment is to synthesize trans p-methoxycinnamic acid and to synthesize dibenzalacetone via an aldol condensation reaction between acetone and benzaldehyde. The products would be recrystallized using ethanol
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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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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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A stereotype often affects a way a group of people are seen as a whole. Misconceptions and stereotypes can sometimes be misunderstood or overused‚ and be used in an invalid manner. Many people are being stereotyped because of a small portion of the larger group of people. A misconception occurs when an untrue stereotype is brought upon them. From teachers to rappers‚ every group of people have their own stereotypes. Stereotypes do not necessarily portray a group of people negatively‚ such as all
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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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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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Obesity in America’s Youth Obesity in America’s Youth Obesity is defined as having excess body fat and is often a result of a high caloric imbalance. Over the past three decades childhood obesity has tripled in the United States‚ becoming an epidemic of vast proportions. In recent years‚ Pediatricians are routinely treating atherosclerosis and even type II diabetes‚ something usually only seen in the older generation. Today‚ children are beginning to feel the effects of low self-esteem
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whom others are‚ why some things are one way‚ or what some people do. Many of these statements can be considered stereotypes or misconceptions. The only reason people may believe such words can be because of the unreasonable number of times the statements have been repeated. While some of what is said is true‚ or stereotypes‚ others are actually misconceptions which are considered stereotypes‚ but they are in fact incorrect statements. For example‚ when an individual thinks about cancer‚ often times
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Stereotypes‚ Good or Bad Introduction Stereotypes can be defined as an over generalized belief about a group of people. Psychologists have agreement on stereotypes features. However‚ there exist differences in how various psychologists describe how the acts stereotyping take place and why they do. There are three essential components in all explanations about stereotypes. The first component is where a group of people are given an identity through a specific characteristic for example nationality
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Definition of the problem The problem that my research article (Childhood Obesity and Schools: Evidence From the National Survey of Children’s Health) was conducted to identify the effects of the National School Lunch Program / School Breakfast Program on Childhood Obesity. It is important for health care administrators to study childhood obesity because of the overall impact it has on not only the overall health of the children but also has effects on health insurance and other areas associated
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