Name : Rebecce C. Deocampo Date : September 2‚ 2013 Course/Yr. : BS Chemistry III Sched : MF 7-10‚ Group#2 Experiment No. 1 Synthesis and Reactivity of Tert-Butyl Chloride I. Objectives : 1. To produce tert-butyl chloride from tert-butyl alcohol 2. To understand the SN1 and SN2 mechanism involved in the reaction 3. To determine the yield of percentage of t-butyl chloride II. Introduction An alkyl halide is a derivative of alkanes. Alkanes are hydrocarbons with a
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Page I - Cover sheet In the middle f the page give name and number of your microorganism In the right lower corner provide - your name - Lab section number (Biol 108-005) - Date submitted ( 4/18/2013) - the unknown tube # is 5 Page II table of result - This page will have your table of results include the following information - Name of the test - Medium used - Indicator used - your results Part III - All the test done As many pages as needed to do a complete job. in this section
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Duckweed growth rate. Sarah Morscheck*‚ Olivia Drukker‚ Hannah Zeigerson‚ and Jacob Shaffer Methods: To test the effect of population density on Duckweed growth rate‚ we obtained 24 clear‚ clean‚ plastic cups and added 100 ml of artificial pond water. There were 8 cups in each treatment‚ high density had 100 thali‚ medium density had 50 thali‚ and low density had 10 thali. The cups were randomly placed on a tray. The thali were counted and then rearranged every Monday‚ Wednesday‚ Friday for 7 total
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Introduction – Lab Report What is a Chemical Reaction? A chemical reaction is a change in matter that produces one or more new substances. A chemical change or reaction occurs when bonds are broken and new ones are formed. The formation and dissolution of these bonds are dependent upon environment changes. Even without the usage of microscopes‚ chemical reactions are usually apparent to the naked eye. The two main kinds of changes that one can observe are the formation of new substances and changes
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’Neil 2002). The particular conditions that had to exist for this to apply were that the population had no mutation‚ had no natural selection‚ was a large population‚ had only random mating‚ and had no migration. For the cases to follow later in the lab‚ Cases 1 and 2 exemplify Hardy-Weinberg conditions. All of the others either have selection or not enough members in the population‚ which will be the most-closely observed
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Evolution Lab Report Marcos Chapa July 3‚ 2013 BIO 101 Rebecca Avants The purpose of the lab I have conducted is to analyze how altering the finch’s environment would affect the evolution of the finches by isolating each population of finches from each other‚ placing them each on a different island. This influence on the species by the environment is called allopatric speciation. One population of the finches that are located Darwin Island‚ which is 1 km‚ and the other population of finches
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method was used to find the population of tadpoles in three local ponds. This experiment was used to test a class hypothesis that a specific pond would contain a higher density of tadpoles based on its location‚ availability of cover‚ sunlight availability and other factors. We hypothesized that Pond 4 would be highest in density due to the characteristics listed above. Materials and Methods: The Mark-Recapture method was used to gather data for each pond. Groups of five – six students collected
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Experiment AM1.2—Centrifugal Force Student name JunJie Liu Student ID 1512042 Experiment Date 11 Feb 2015 Lab group Mech 7 Introduction In this lab report we show the basic methods of measuring centrifugal force using two counter balanced bell-cranks spin on a turntable (shows in figure 1) and able to calculate the centrifugal force with given conditions shows in figure 1. *Figure
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Determination of citrinin produced by P. notatum and A. nigerin liquid media The filtrates obtained from above experiment were used for extraction and estimation of citrinin. Briefly‚ the citrinin was extracted thrice with chloroform (1:1 v/v). All the three extractions were pooled and concentrated in vacuum at 40°C using a rotary evaporator. The crude extract was then diluted in minimum amount of chloroform (2ml) and citrinin was estimated by thin layer chromatography (TLC) according to Razak et
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Biomechanics Lab Report By Connor Blakely Question 1) All figures given in metres. All players using lofted clubs (9 irons). Cody | Trial 1 | Trial 2 | Trial 3 | Average | Air Ball | 18.8 | 21.8 | 21.2 | 20.6 | Practice Ball | 39.2 | 37.9 | 62.8 | 46.63 | Golf Ball | 115.75 | 77.2 | 82.65 | 91.87 | Graph to Show Cody’s Results with the Different Balls Bailey | Trial 1 | Trial 2 | Trial 3 | Average | Air Ball | 18.3 | 25.5 | 23.65 | 22.48 | Practice Ball | 38.2 | 41
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