purpose of this lab was to synthesize four soaps and two detergents and determine which one would be the best for an environmental group to use in the event of an oil spill.1 To complete this task‚ five subgoals had to be achieved first. To find the solubility of the fats‚ oils‚ soaps‚ and detergents‚ each of them were placed into different solvents to see if they dissolved. None of the oils and fats were soluble in water (H2O)‚ sodium hydroxide (NaOH)‚ or hydrochloric acid (HCl)‚ but they were
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10/15/08 11:42 Page 117 117 CASE EXAMPLE (PRODUCT) RED and Gap (RED) was created by Bono and Bobby Shriver‚ Chairman of DATA‚ to raise awareness and money for The Global Fund by teaming up with the world’s most iconic brands to produce (PRODUCT) REDbranded products. A percentage of each ( PRODUCT) RED product sold is given to The Global Fund. The money helps women and children with HIV/AIDS in Africa.1 The (RED) initiative was set up in early 2006‚ with Rwanda selected as
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of a strong base. The titrant reacts with and consumes the acid via a neutralization reaction. The point at which stoichiometric amounts of the acid and base have combined is the equivalence point. An example of this is shown in the equation: HCl(aq)+NaOH(aq)NaCl(aq)+H2O(l). The number of moles is given by knowing the exact concentration and volume added of the titrant. The latter‚ in turn‚ is related by stoichiometry to the number of moles of acid initially present in the unknown. To detect the
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Lab RepoRt assistant This document is not meant to be a substitute for a formal laboratory report. The Lab Report Assistant is simply a summary of the experiment’s questions‚ diagrams if needed‚ and data tables that should be addressed in a formal lab report. The intent is to facilitate students’ writing of lab reports by providing this information in an editable
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Lab: Comparison of Three Isomers of Butanol Pre-lab: 1. Write the general reaction of an alcohol and HCl. 2. What would the solubility be of an alcohol in water. 3. What would the solubility be of an alkyl halide in water? 4. What is the purpose of KMnO4 in the reactions? Safety: Concentrated hydrochloric acid is corrosive and the vapour is very irritating to the respiratory system. Avoid contact with skin‚ eyes‚ clothing‚ and the lab bench. Wear eye protection and a lab apron.
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of the mixture in methylene chloride in a centrifugal tube 2) Set up the separatory funnel. 3) In order to extract the benzoic acid add 5.0 ml of the 1 mol NaOH solution‚ then shake the funnel 1 time per second and open it while it is upside down to allow the pressure out. 4) Allow the solution to settle. 5) The NaOH layer will extract the benzoic acid . 6) Perform a second extraction on methylene chloride repeat the steps from 2-6. 7) Add
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the farmer? Lamb: umm can we come up with a more nonviolent way? Pig: lamb is right; we won’t stand a chance against the farmer Pigeon: wait a minute‚ why don’t we just run away Cat: how are we gonna do that? Pigeon: a few years back a little red hen got fed up with the farmer and ran away successfully‚ why cant we! Lamb: maybe because we’re not hens… All Animals: SHUT UP LAMB! Narrator: Pigeon went off looking for the hen‚ asking around oh where could he have been? He looked high and low
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the birds chirping‚ the leaves rustling in the wind‚ and other animals scurrying below me in the mountains of Nepal was soothing. Wrapping my long ringed tail around my body for warmth and snuggling in the leaves for relief I fell asleep. As a red panda the murmurs of the other animals usually don’t wake me out of a deep slumber‚ but today something was wrong very wrong. Everything looked so different in the light of day; I was usually asleep by dusk at the latest. Sleepily looking around I
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Title: Observation of Macroscopic Chemical Changes‚ Alice Kimbrell‚ Chemistry 101-DS01:74589‚ 5/31/2013. Purpose: In this lab‚ I will observe macroscopic changes that occur when mixing together certain chemicals and household cleaners. The mixing of the chemicals provided with each other and with acid/base indicators demonstrates how matter can change‚ and how chemistry can be seen with the naked eye. By mixing household cleaners with an acid/base indicator I hope to demonstrate how these
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Name Lab Partner Name(s) Thermodynamics‚ Enthalpy of Reaction Lab March 27‚ 2014 I. Purpose The purpose of this lab is to learn how to determine the heat of reaction. II. Safety 1. Wear appropriate safety attire (goggles‚ aprons‚ hair tie‚ etc.). 2. Do not directly inhale or ingest chemicals. 3. Understand safety information regarding the chemicals being handled during the lab (hydrochloric acid‚ sodium hydroxide). 4. Be aware of how to operate all lab equipment. 5. Clean hands
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