1-Bromobutane Goal: To prepare 1-Bromobutane by the SN2 reaction from 1-Butanol with Sodium Bromide and Sulfuric Acid. Mechanism: Procedure: 1. Place 27g of NaBr‚ 20mL of n-butyl alcohol‚ and 30mL of water into a 250mL round bottom flask. 2. Put the mixture in an ice-water batch and cool briefly‚ then slowly add 23 mL of conc H2SO4 while stirring with a magnetic stirrer. 3. Place a water-cooled condenser and heat the flask until the mixture boils while still stirring with a magnetic stirrer
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CHM130 Lab 2 Measurements: Accuracy and Precision A. Data Tables (36 points) Place your completed data tables into your report here: (original Data Data Table 1 Measurement Original Data Calculated Data Length of aluminum plastic packet 5 cm 50 mm Height of aluminum plastic packet 6.5 cm 65 mm Temperature of faucet water 26 degrees C 78.8◦ f Temperature of ice water 7 degrees C 44.6◦ f Volume of water in 10-mL graduated cylinder 7.1 ml 0.0071000L Volume
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Diet and Exercise Introduction During PE theory we have been looking at diet and exercise. Our main focus has been of what sorts of foods and drinks we consume‚ especially before and after exercise. We have looked at keeping our bodies hydrated‚ and what liquids we should consume. Lastly Kilojoules is another area we have been learning about‚ and how many we burn during different activities. Diet and nutrition – what foods should we be eating? What you eat plays a big part of health‚ looks
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Analyse the major problems surrounding the pre-incorporation contracts and evaluate how fare these problems have been resolved by the provisions of section 36C of the Companies Act 1985‚ as amended by the Companies Act 2006. 1) what are pre-incorporation contracts 2) problems surrounding pre-incorporation contracts 3) how fare have these problems been resolved A company cannot enter into a contract before it exists as a legal person by being incorporated on its registration by the
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As the class of 2017 we are the start of a new tree or a generation. We are the leaves of the tree. The trunk is our foundation who are our teachers or parents. And the branches of our new tree is the impact we have on society. Even though we are just one class in a billion of 2017 classes we can make a difference. We can become those leaders. We can make the next year of homecoming one no one will ever forget. We can set a new tradition for our school. A leader is a problem solver‚ not a finger
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sets; Swing on the platform swing while stand picking up cones and passing it to the OT; bilateral exercises( jumping jacks‚ cross crawls‚ squats‚ tree pose‚ toe touches‚ x-jumps) x20; catch and throw ball 10x and wheelbarrow activity using shapes to improve self-regulation‚ body awareness‚ and work behaviors to facilitate learning and in preparation for table top activities. -Prewriting exercise: using a marker and a chalkboard while connecting dots to form horizontal lines to improve school readiness
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Written Analysis – Chapters 1 & 2 Christopher Citarella Northwood University MGT4800—Strategic Planning Dr. Kelly Bruning Sunday‚ July 19‚ 2015 Chapter 1 Application Questions Exercises: 1. Go to the Internet and look up one of these company sites: www.walmart.com‚ www.ge.com‚ or www.fordmotor.com. What are some of the key events that would represent the “romantic” perspective of leadership? What are some of the key events that depict the “external control” perspective of leadership
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Week 2 iLab Report _____ DeVry University NETW360: Wireless Technologies and Services COMPUTE RF BEHAVIOR AND MIMO Submitted to: ________ Date: ________ Compute RF Behavior Calculate each of the five measurements in the project by performing every step in sequence. In your own words‚ summarize what you have learned concerning RF behavior. Calculations Step 4 (dBm of 1W): ____30 dBm = 1 W_____ Step 11 (max gain): ____9.538 dB________ Step 15 (.11g free space loss): ____0.00001
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Exercise 1 Cell Transport Mechanisms and Permeability Name ____________________________________________________________ Lab Time/Date ______________________________ Activity 1 Simulating Dialysis (Simple Diffusion) 1. Describe two variables that affect the rate of diffusion. * The size of the pores of the membrane * The size of the molecule diffusing through the membrane 2. Why do you think the urea was not able to diffuse through the 20 MWCO membrane? How well did the results
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Chem 102 - Lab #2 Quantitative Analysis of a Soluble Sulfate Steven English Lab Instructor: Dr. Campo Date: Tuesday‚ February 5th 2013 Pre-Lab Questions A. Adding the acid to the sodium sulfate solution results in an increase in the solubility of any free anions present in the sample. This will happen because the present anions will bind with the hydrogen cations present in the acid. B. The sodium sulfate is boiled because experiments have shown that barium sulfate is 50
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