Experiment 22: Synthesis of Aspirin and Oil of Wintergreen Performed 01/31/2013 Received 02/07/2013 Organic molecules have a wide range of applications occur both intracellular as well as in many different industries. The reactions use the reactivity of functional groups attached to organic molecules‚ as well as general chemistry concepts such as Le Chatelier’s Principle (). The synthesis of Aspirin (its chemical name being acetylsalicylic acid) and of oil of wintergreen (with its chemical
Premium Aspirin Salicylic acid Acetic acid
Bankruptcy: Its Prediction and Accounting Indicators One major assumption in accounting is the Going Concern. It states that an accounting entity is viewed as continuing in operation indefinitely‚ thus‚ financial statements are normally prepared in the assumption that the entity will continue its operations for the forseeable future. But then it is inevitable that one shall come to an end. So if there is evidence that the entity’s operations are to be terminated‚ the going concern assumption
Premium Enron Arthur Andersen
The purpose of module E is to learn several DNA techniques in the lab including DNA purification with solubility and absorption‚ plasmid transfection of E.coli‚ colony screening by PCR and quantitative PCR. First part of the experiment E1 show the purification method of DNA through solubility. E. coli lysate mixed organic solvents to purify the DNA present in solution. First‚ the lysate was mixed with phenol/chloroform‚ then vortexed‚ and centrifuged. We extracted the aqueous layer and combined
Premium Bacteria Escherichia coli DNA
Title: Purification of Egg white protein Name: Michael Johnson Partner: David Logad & Nandita Date: 2nd 9th September 2004 Group: Thursday 11:30am - 3:30pm Introduction Salting Out In 1888 Hofmeister that it can be possible to dehydrate a protein by adding salt to the solution‚ salting out. When a protein in a aqueous solution it is surrounded by water‚ in fact there can be up to 0.35g of water tightly bound to 1g of protein (Simpson 2004). Also the effectiveness of the salting out
Premium Protein Egg white
Water Treatment Nanotechnology‚ the engineering and art of manipulating matter at the nanoscale (1-100 nm)‚ offers the potential of novel nanomaterials for the treatment of surface water‚ groundwater and wastewater contaminated by toxic metal ions‚ organic and inorganic solutes and microorganisms. Due to their unique activity toward recalcitrant contaminants many nanomaterials are under active research and development for use in the treatment of water. Nanotechnology water treatment
Premium Nanotechnology Water Water pollution
October 9‚ 2013 Partner(s): Acetylsalicylic Acid Synthesis Theory. This experiment was carried out to see how the hydroxyl group on the benzene ring in salicylic acid reacts with acetic anhydride to form an ester‚ and to make aspirin. Synthesis of Acetylsalicylic Acid occurs by protonation of carbonyl (C=O) group‚ and a nucleophilic attack of OH on the acetic anhydride. The ferric chloride test and melting point were used to test the purity of the results. A hypothesized recovery rater of above
Free Aspirin Acetic acid Carboxylic acid
diabetes but no other major risk factors for heart disease probably should not be on low-dose aspirin therapy‚ new research suggests. The new recommendations are based on close examination of nine studies that found the risks of some aspirin side effects‚ such as stomach bleeding‚ should be better balanced against the possible benefits of using aspirin. The larger theme here is that use of low-dose aspirin to prevent heart attacks in people who have not already experienced one is probably not as efficacious
Premium Coronary artery disease Myocardial infarction Atherosclerosis
Chewable aspirin can be chewed‚ crushed or swallowed whole but after being consumed the consumer should drink full glass of water. There are many uses for Aspirin. Prescription Aspirin is used to relieve symptoms of rheumatoid arthritis‚ arthritis caused by the swelling of the lining of joints‚ osteoarthritis‚ arthritis caused by breakdown of lining of joints‚ systemic lupus erythematosus‚ the immune system attacks joints and organs‚ and can cause pain/swelling. Nonprescription Aspirin is commonly
Premium Hypertension Myocardial infarction Blood
Separation and Purification of Organic Compounds Codilla‚ Christine‚ Cristobal‚ Marian‚ Dionisio‚ Jermaine‚ Dumaquita‚ Vanessa‚ Edrosolo‚ Lyka‚ Esquivel‚ Christine1 1University of Centro Escolar‚ Makati Date Performed: December 5‚ 2012 Date Submitted: December 17‚ 2012 Abstract The distillation process was successfully done because of the separation of water from the acetone. When the distillate was lighted with the matchstick it produced flame which indicates that there was more presence
Premium Ethanol Distillation Oxygen
Vidallon‚ Mark Louis P. Date Performed: February 20‚ 2012 CHEM44.1 2L Date Submitted: March 12‚ 2012 MIXED-ALDOL CONDENSATION Synthesis of Cinnamaldehyde I. Introduction Cinnamaldehyde‚ cinnamic aldehyde or 3-phenyl-2-propenal is the major constituent of cinnamon oil‚ extracted from several species of Cinnamomum (C. verum‚ C. burmanii‚ C. cassia)‚ under the family Lauraceae‚ a group of evergreen trees. Cinnamon bark (particularly C. verum) yields 0.4-0.8% oil‚ which contains 60-80% cinnamaldehyde
Premium Aldehyde Chemistry Chemical reaction