Acid-Base Extraction: Separation of an Organic Acid‚ Base and a Neural Compound Introduction/Background Acid base extraction is a widely used commercial method in separating acids‚ bases and neutral compounds. This is concept is based on several physical properties of the compounds‚ such as boiling point‚ melting points and solubility. The different solubility properties of the protonated and non-protonated forms of these compounds depend on the functional groups present‚ such
Free Acid Chemistry Carboxylic acid
at 1 M (10 mL per run) • 110 mL of NaOH at 0.5 M (10 mL per run) • 220 mL of Acetic Acid at 50% (10 mL per run). • Vernier Temperature Probe. • Erlenmeyer Flask 200 mL. • Graduated Cylinder 25 mL. • Charged Computer with LoggerPro. Method: I gathered all my materials along with obtaining a lab coat‚ safety glasses‚
Premium Chemical reaction Chemistry Sodium hydroxide
Experiment #5: Acid Burn!!! Introduction The goal of this lab was to correctly prepare a 0.2M solution of NaOH‚ identify highly acidic household cleaning chemicals‚ and determine their concentration (molarity) through titrations using the previously prepared 0.2M NaOH solution. Experimental First‚ to create 0.5L of 0.2M solution of NaOH‚ standard 3M NaOH solution was obtained. Next‚ calculations were performed to determine the amount 3M NaOH necessary to create 0.5L of the 0.2M solution and‚ as
Premium Chemistry Sodium hydroxide Base
not personal protect as helmet‚ gloves‚ face mash‚ etc. I think he will be seriously injured. Near the gas station‚ some firemen are quite calm. They don’t attend to the fire. Nobody holds fire hose or fire extinguisher. To my mind‚ this picture describe real situation of force firefighter in Vietnam. They use the old equipment which quality are very low. In addition‚ fireman is equipped fully good personal tools and trained knowdge and good skill. The fireman who is running and holding his helmet
Premium Vietnam Firefighter
nitrogens on this station. Both of these methods rely on the repulsive electrostatic interactions between the positively charged axial component and the post-switching cationic nature of the benzidine station (Figure 5.4). Deuterated trifluoroacetic acid (d-TFA) was added in the solution which resulted in the protonation of the benzidine residue and shuttling of macrocycle in to the biphenol station of the Rotaxane. This was supported by NOESY 1H NMR that showed a shift in the peaks in retrospect to
Premium Nutrition Food
Précis 7 – Describe cognitive dissonance and describe how it is influenced by culture. Cognitive Dissonance Theory is a theory of attitude change proposing that inconsistency exists among our attitudes‚ or between our attitudes and behavior‚ we experience an unpleasant state of arousal called cognitive dissonance‚ which we will be motivated to reduce or eliminate. (Bordens & Horowitz 2001) This is a theory‚ which has been transformed over many decades. Cognitive Dissonance varies between
Premium Elaboration likelihood model Cognitive dissonance Attitude change
Describe the role of the early year’s practitioner in relation to current frameworks? In this assessment task I am going to describe the role of the early year’s practitioner in relation to current framework. The role of the early year’s practitioner to follow current frameworks: EYFS-(Early year’s foundation stage) The early year’s foundation stage been in place since 2008. It sets all of the things that all early years providers must meet. This is for maintained schools and non-maintained school
Premium Developmental psychology Child Psychology
communication task roles discussed in Chapter 9 and 10 to describe two specific characters and the communication task role(s) they played. How did these roles affect the group communication? Give specific examples. --Answer below: I watched Law and Order season 13 episode 10 “Spiraling Down”. Alexandra the state prosecutor used a self-centered role. The reason I believe this is because when ever she had a conversation with a group she focused the attention on her rather than on the group. This role affected
Premium Communication Writing Sociology
Extracted From?.................................................................................................................. 7 Bibliography………………………………………………………………………………………..9 DNA What is DNA? DNA is a molecule called deoxyribonucleic acid which contains the biological instructions‚ meaning it explains about living species; it makes each species unique. It is passed from adult organisms during reproduction‚ along with the instructions it contains. Where is DNA Found? DNA
Free DNA
Colombia is situated in beautiful South America has two coastal borders located along the Pacific Ocean and the Caribbean Sea. Colombia enjoys being the sole South American country to be afforded the luxury of having two coastal borders. The country spans 440‚831 square miles of diverse land that lies about the equator . Visitors enjoy this aspect because they enjoy sunlight year around. The population is around 40 million and 70% of which is considered urban. Entrepreneurs and business owners
Premium Colombia South America United States