The most generally uses classes of synthetic organic reactions is nucleophilic substituition this is a second order nucleophilic substituition, s n 2 as we know that the reaction required a nucleophile , an electrophile and a leaving group in order to apply the experiment in nucleophile second order sustituition. Chem lab report (1) 1 lab #4: solubility of salts larissa guillen and abigail delgado course 1411, section 520 november 10, 2014 2 abstract this paper talks about several points in a conducted lab experiment known as the “solubility of salts” first we will talk about the purpose of the experiment as well as the methods being conducted. - experiment 7 lab report (alkyne synthesis) is not due until the following week: november 7 - 11 as always, it will be due at the beginning of your regular lab session. The ready-made nutrient agar contains 15 g/l agar and the same contents as the manually-made nutrient medium the final ph of both media has to be 74. Lab report 2 lab report 3 lab report 4 lab report 5 lab report 6 lab report 3 introduction a growth medium or culture medium is a liquid or gel designed to support the growth of microorganisms or cells for any bacterium to be propagated for any purpose, it is necessary to provide the appropriate biochemical and biophysical environment.
Preparing chemical solutions lab experiments and types of research often require preparation of chemical solutions in their procedure we look at preparation of these chemical solutions by weight (w/v) and by volume (v/v) the glossary below cites definitions to know when your work calls for making these and the most accurate molar solutions. Synthesis of aspirin lab report 8 august 2016 chemistry the goal of this experiment was to synthesize aspirin in this experiment aspirin, also known as acetylsalicylic acid, was synthesized from salicylic acid and acetic anhydride in the reaction the hydroxyl group on the benzene ring in salicylic acid reacted with acetic anhydride to form. Triphenylmethanol johnson, chad philip t/th lab, 8:00am submitted march 29th, 2012 introduction the preparation of a grignard reagent is an important laboratory technique and is a required. What is a lab report lab reports make a major part of each laboratory course, being important contributors into the final grade instructors may ask to either include it in the notebook or bring it separately.
Preparation and sterilization of culture media should be done with great care to avoid contamination of unwanted microorganisms we had learnt the preparation and sterilization of culture media via autoclaving process and the precaution steps that we need to take into consideration when handling this experiment. The synthesis of alum lab michaela tonsager and kaili johnson purpose to perform different tests to determine if the substance is actually alum first, we synthesized a sample of alum. Synthesis, isolation, and purification of an ester ap chemistry laboratory preparation of ethyl acetate 1 place 10 ml ethyl alcohol, 12 ml glacial acetic acid, 1 in the pre-lab question #6, part c, the theoretical yield of ethyl acetate was calculated. The purpose of this lab is to synthesize cyclohexanone cyclohexanone is used as a precursor for nylon this makes it one of the largest mass produced chemicals in the industry billions of kilograms of cyclohexanone are produced each year for the making of nylon  the synthesis of cyclohexanone.
1 sample of a formal lab report follow this format meticulously whenever you are asked to turn in a formal lab report chem 122 name: john brown. Student ame: kip nibly experimental title: synthesis of acetanilide date started: 08/29/2011 unknown letter/ umber: not applicable (n/a) purpose of the experiment: the purpose of this experiment is to perform a nucleophilic acyl substitution reaction on acetic anhydride with aniline to synthesize acetanilide. The preparation of aspirin, the recrystallisation of aspirin and the melting point determination of aspirin results at the end of the experiment, the result gotten should be a result of 40 – 60 % yield and a melting point that is around the theoretical melting point of aspirin, which is 135â°c – 136â°c. Sample descriptive lab report examination of protozoan cultures to determine cellular structure and motion pattern abstract protozoans are unicellular eukaryotes with either plant- or animal-like characteristics through careful observation, we analyzed various protozoan cultures in order to identify characteristics associated with cell.
Esterification reaction: the synthesis and purification of 2-acetoxybenzoic acid and subsequent analysis of the pure product (acetylsalicylic acid ) via thin-layer chromatography. Preparation of cyclohexene from cyclohexanol aim: the objective of this exercise is to prepare cyclohexene from cyclohexanol and determine the efficiency of this conversion. Lab report 3: preparation and sterilization of culture media introduction a growth medium, or culture medium is a liquid or agar designed to support the growth of microorganisms or cells. Preparation of buffer solutions lab report: experiment 1: preparing a buffer mass of sodium acetate: 41g mass of 100 ml beaker and sodium acetate: 641.
Essay lab report kimmi dodia- biomedical science- 1019971 lab partner- kim harcourt lab report- experiment 1: microbial genetics abstract the objective of this experiment was to introduce the study of bacterial genetics in order to identify the potency of different mutagenic agents. The first part of the experiment was the preparation of acetylsalicylic acid (aspirin) a white, milky mixture was obtained when salicylic acid, acetic anhydride and phosphoric acid (a catalyst) were mixed. Laboratory preparation of oxygen oxygen is prepared in lab generally in two ways either by the application of heat or no application of heat using heat. Here are two examples of a lab report the first is what not to do, the second is a cleaned-up and much improved version of the same report dr ethan gallogly what not to do a student chemistry 1 experemint 10 as described in the lab manual: 1 record the barometric pressure 2 measure about 10 g of ice using the chemical balance and.
Ester preparation lab introduction: an ester is an organic compound which is created from a reaction between an acid and an alcohol, usually with the loss of water. Synthesis of esters lab report gses: the other way my work on this lab shows proficiency in this gse are the chemical reactions in doing the reactions, i was able to show the way an ester looks once the alcohol and carboxylic acid react in the form of a skeletal structure. Students understand the alkalies required for the preparation of hard and soft soaps students understand the procedure of saponification process students acquire the skill to perform the preparation of soap in a real lab.
Grignard reaction lab report essay the grignard reaction abstract through the use of the grignard reaction, a carbon-carbon bond was formed, thereby resulting in the formation of triphenylmethanol from phenyl magnesium bromide and benzophenone. Chem 2423 preparation and recrystallization of acetanilide dr pahlavan 3 experimental procedures using a medicine dropper, place 015 to 020 g of aniline (about 10 drops) (d = 102 g/ml) in a.