A Beer’s law study
A lab report is both a record of your qualitative and quantitative observations as well as an analysis of you laboratory work. It is an original; it is your creation. It is not a copy of something another person wrote. … Continued
Four Careers in Chemistry
Personally, my opinion of Martin Luther King was that he is a person with great rhetoric skills. He was using all three parts of rhetoric speech (Pathos, Logos, and Ethos) in his letter from Birmingham Jail. However, he was using … Continued
Copper & Sulfur Abstract
Jana Lujan Chemistry / Period 1 9/10/10 The objective for this lab was to study the reaction between two elements (Cu and S). The major concepts that were observed throughout this experiment were physical and chemical properties. The end result … Continued
Water Hardness Determination
September 21, 2010 Introduction: Titration is the analytical process carried out when the purpose of an experiment is to determine the concentration of an analyte by reacting it with a standardized reagent, known also as the titrant, of known concentration. … Continued
Organic Compounds
Organic compound From Wikipedia, the free encyclopedia Jump to: navigation, search Methane is one of the simplest organic compoundsAn organic compound is any member of a large class of chemical compounds whose molecules contain carbon. For historical reasons discussed below, … Continued
Nitration of Bromobenzene
This experiment focuses on the concept of electrophilic aromatic substitution, which is a type of benzene reaction. This reaction consists usually of benzene and an electrophile. The role of the nucleophile is played by the double bond on the benzene … Continued
Crime Scene Report
A suspected white powder was seized from the crime scene and sent to the laboratory for analysis. Presumptive test was firstly used in order to find out if it was a positive drug, in order to follow a further analysis. … Continued
Chemistry
Iron is much harder than bronze. * Modern Age (1 CE – Present) – main metals are iron, aluminium and steel, which were used for pipes, buildings, transport and electrical cables. This is the age where technology of iron and … Continued
Internship Report on Ptcl
1991 was quite a historic year. It marked the 200th anniversary of the birth of Michael Faraday (who has a strong claim to be regarded as the first Physical Chemist), the 150th anniversary of the formation of the Chemical Society … Continued
Crime Scene Report
Crime scene report Introduction A suspected white powder was seized from the crime scene and sent to the laboratory for analysis. Presumptive test was firstly used in order to find out if it was a positive drug, in order to … Continued
Internship Report on Ptcl
1991 was quite a historic year. It marked the 200th anniversary of the birth of Michael Faraday (who has a strong claim to be regarded as the first Physical Chemist), the 150th anniversary of the formation of the Chemical Society … Continued
The Important of Chemistry in Computer Technology
The Importance of Chemistry in Computer Technology Chemistry is the branch of science that deals with the study of the nature, properties, and composition of matter, transformation of energy, and how these undergo changes. The simple fact is that chemistry … Continued
Allelopathy Paper
Introduction: Considering the beneficial properties of plants, not only to us, but the environment as well, it is important to understand the nature of Allelopathy and how it affects plant ecology. According to the Topics in Biology Laboratory Manuel, allelopathy … Continued
Why Pfizer Should Hire Me
Why Pfizer should Hire Me: In the early chapters of my life, I excelled in competitive cheerleading. This is where I learned the importance of teamwork, dedication, hard work and leadership. For eleven years I attended four to five practices … Continued
Laboratory Safety Manual
In order to comply with the Laboratory Standard, Oklahoma State University has established a chemical hygiene plan to ensure that employees are protected from health hazards associated with hazardous materials in the laboratory and to ensure that exposures are kept … Continued
Food Chemistry Options Report
Food Chemistry What is food chemistry? Food chemistry is the application of the actual science that goes into the production, development, and actual creation of the foods we frequently consume. In reality, much more thought as well as actual science … Continued
Elements of Periodic Table Trivia
Janelle C. GajardoIV-1Mrs. DimacutacDecember 5, 2011 Elements in the Periodic Table Trivia l Actinium (Ac) – radioactive element found in uranium ores, used in equilibrium with its decay products as a source of alpha rays. The name originates from the … Continued
Chemical and Physical Properties
Observe the solubility in hot water. c. Tear off approximately 1/2-cm pieces of both red and blue litmus paper. d. Allow the solution to cool, and using the glass stirring rod, transfer a drop of the solution onto a piece … Continued
Eco Clock Project
The use of the fruits in producing current is a revelation that fruits are not only nutritious foods that give vitamins and minerals to keep the body healthy but also a very important tool that help people live comfortably. The … Continued
Rock Candy
I determined that my hypothesis was correct. The glass I chose to add the pure cane sugar did grow much more crystals at a more rapid pace. The purpose of my experiment is to grow a large amount of crystals … Continued
Rock Candy Crystals
Crystals are formed when atoms line up in patterns and solidify. There are crystals everywhere — in the form of salt, sugar, sand, diamonds, quartz, and many more! To make crystals, you need to make a very special kind of … Continued
Photochemical Synthesis of Benzopinacol
In this reaction, molecules of benzophenone was brought to n((* triplet state where it possibly abstracted hydrogen from isopropyl alcohol and through subsequent reactions of radicals it formed two diphenyl ketyl radical which dimerized into benzopinacol. Subsequently, mixture of synthesized … Continued
Preparation of a Halogenoalkane
Hence pure product can be obtained when we distillate the mixture at a temperature of 45oC-55oC. Discussion The reaction between HCl and the 2-methylpropan-2-ol will build up pressure in the conical flask. It is because the reaction is exothermic, it … Continued
Diffusion of Osmosis
Diffusion Experiment: Osmosis in Sucrose Solutions Abstract We used dialysis tubing to simulate a semi-permeable membrane. Since molecules diffuse from their higher concentration to their lower concentration, water will move across the membrane in response to this concentration. While conducting … Continued
Sustainable Development
To address this challenge, chemistry is actually central to many of the environmental and resource use issues at the heart of sustainable development. Also, collaboration from an interdisciplinary group of stakeholders will be necessary. An emerging approach to this challenge … Continued
Preparation and Standardization
The main purpose of this experiment is to identify an unknown organic acid by conducting various experiments to determine the acid’s unique properties. By determining selected constant properties of the unknown and then comparing these properties to the constant properties … Continued
Enzyme Kinetics of Beta-Galactosidase
The higher the enzyme concentration, the higher the absorbance value. Different molecules absorb different wavelengths of light. For this experiment, the spectrophotometer is set at 420nm, so that we can obtain the best absorbance results. ONPG >galactose+ o-Nitrophenol A catalyst … Continued