Introduction: The question investigated in this lab was which drugs have the greatest and least affect on the pulse of the Lumbriculus variegates. Ethanol will cause the worms to become inactive‚ caffeine will cause the worms to become overactive‚ and nicotine will cause the worms to become more active. Lumbriculus variegatus is also known as black worm. This small species of worms currently lives in North America and Europe within marshes and ponds. They survive by eating microorganisms and organic
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Name: Angel Simon Pre–Lab Question Ocular lens 1. Label the following microscope using the components described within the Introduction. Experiment 1: Virtual Magnification Exercise Post-Lab Questions 1. At what magnification do you first notice the ragweed pollen? Answer: 1000 2. Which is bigger‚ a rhinovirus or E. Coli? Answer: E. Coli 3. Based on the magnification‚ how many of the E. Coli can fit into the same space as the
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Lab Experiment 8: Oxidation Puzzle Post Lab Report for 2-ethyl-1‚3-hexandiol Calculations Theoretical yield: 1.857g Product Yield: 1.055g ----> Percent yield = (1.055g/1.87g) x 100% = 56.41% Starting amount of diol: 1.184g ----> Percent Yield = (1.184g/1.87g) x 100% = 63.32% Spectroscopy O-H (Stretch‚ H-bonded) C-H (Stretch) C-H (2720-2820 cm-1) Carbonyl C-O (Stretch) Product wavelength cm-1 3422 Strong‚ Broad 2877‚2936‚2964 Strong‚ Medium None Present 1705 Strong
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64. Interpret the following results: A. The color of the medium remains purple or light blue-gray; there is also no change in the texture of the medium. * No change B. Change in the color of litmus from purple to pink or pink-red throughout the tube. Upon further incubation a white ring of litmus forms at the bottom of the tube at the pink-red color is now present only at the top of the tube. Still further incubation leads to the formation of a rennet curd at the bottom of the
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Histology Laszlo Vass‚ Ed.D. Version 42-0013-00-01 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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IS3110 – Risk Management Lab # 9 – Develop recovery back-up procedures and recovery instructions 1. How does documented back-up and recovery procedures help achieve RTO? By having effective backup and recovery procedures you should have the necessary resources to restore systems from backups and a repeatable process that is known to succeed in achieving RTO. By documenting and implementing backup and recovery procedures‚ the process for recovery is much more efficient‚ helping with the time
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in order to prevent any damage. In order to use the eyewash‚ you must push the valve and place your eyes over the openings. c) You should use the shower if‚ during a lab‚ chemicals splash or spill on you. In order to activate the shower you must simply pull on the lever. d) Safety goggles should be worn at all times during any lab. They offer protection for your eyes and are easy to use. All you must do is place the strap behind your head and pull the goggle over your eyes. e) The fume hood should
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McLean 1 Creating Acetylene Gas Introduction The purpose of the lab was to determine the ratio of air to acetylene results in complete combustion of acetylene gas. The balanced chemical equation for this experiment was C2H2(g) + O2(g) --> CO2(g)+ H2O(l). Complete combustion is the reaction of an element or compound with oxygen to produce the most common oxides and energy. Complete combustion occurs when the fuel and oxygen combine in exact proportions to completely burn the fuel
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Procedure Access the virtual lab and complete the experiments. Part One (Flame Test): 1. Create and complete a data table for Part One of the lab. It should include the name of the element (or unknown) examined and the color of the observed flame: Barium-green Calcium-red Sodium-yellow Rubidium-purple Potassium-blue Lithium-pink 2. Identify each unknown from Part One of the lab and briefly explain why you identified each unknown as you did.: Unknown 1-yellow. I think it is Sodium because
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Lab 6.C Hypothesis: If enzyme activity is affected by the pH of a solution‚ then the enzymes will experience the greatest activity at a pH of 6. Variables: Independent Variables Dependent Variable Controls Four different pH values (10‚ 7‚ 6‚ and 3) Change in color of the solution The amount of potato extract‚ pH solution‚ and catechol used (1 cm +/- .1cm) Size of the test tubes Amount of time allowed for the catechol to sit with the potato extract and pH solution (20 minutes with 5
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