PRE LAB REPORT Reynaldo Riboul TLC and Column Chromatography October 6‚ 2013 Table of Chemicals: Chemical Hazards Mol. Wt. Density Grams Moles Acetone Flammable‚ Irritant 58.08 g mol−1 0.791 g cm−3 2.0 g 0.0344 Hexane Flammable‚ Irritant‚ Dangerous to Environment 86.18 g mol−1 .6548 g mL−1 9.0 g 0.1044 Fluorene Very toxic to aquatic life with long lasting effects 166.223 g/mol 1.202 g/mL 0.3 g 0.00180 Fluorenone Irritant 180.20 g mol−1 1.13 g/cm3 0.3 g 0.00166
Free Solvent Oxygen Laboratory glassware
LAB REPORT FOR EXPERIMENT 3 COPPER CYCLE OLANREWAJU OYINDAMOLA TUESDAY 27TH February 2013 Abstract This experiment is based on copper‚ to synthesize some copper compound using Copper (II) nitrate solution to obtain copper metal at the end. Changes of copper complexes when various are added and filtering out the precipitate by using Buchner funnel for vacuum filtration .The experiment started with preparation of copper (II) hydroxide and addition of copper oxide then addition of droplets
Premium Copper Zinc
Lab Report – Strong Example Problem/Question Does using a base coat before painting nails prevent chipping? Background Information When painting nails‚ some manicurists use a base coat before applying the polish. The purpose of a base coat is to help the polish stick to your nails more easily. Base coats also help to protect your natural nail from the staining effects of colored polishes. Ridge-filling base coats fill in the grooves and cracks in the nail to create a smoother appearance
Premium Left-handedness French Revolution Handedness
Lab 17 Amino Acids and Proteins Lab date 10/22/2013 12-1350 I Purpose The purpose of this experiment was to separate mixtures of II Method For a complete list of experimental procedures see prelab outline attachment #1. “For a complete list of experimental procedure see Seager‚ Spencer L. and Slabaugh‚ Michael R. Safety-Scale Laboratory Experiments for Chemistry for Today General‚ Organic and Biochemistry; Thomson Brooks/Cole‚ Belmont‚ CA‚ USA‚ 2008; pp.221-225”. III Data Part A Mass
Premium Experiment Chemistry Cholesterol
listed below. You must observe and analyze these as part of the lab. The Iced Tea Debate The Salty Soup The Fire Bug 2 Use the DATA chart provided for recording observation based on three demonstrations you will watch 3 Watch each part of the experimental demonstration and make preditions about wht will happen in each scenario . Record your preditions and observations in the Data an Observations section of your labatory report format. Problem: How can matter and energy be described in
Premium Energy Conservation of energy Chemistry
Arellanes “The Pit and the Pendulum” is a short horror story. The story is set in the time of the Spanish Inquisition. Poe tells the story in a first person point of view. The story is a story of a man who is placed in a dark room. The man is sitting there. He is given a pitcher of spiked water. He drinks the water which causes him to lose consciousness. When he awakens‚ he is bound to a wooden bed. He notices the smell of burning iron when he awakens. When he is first awake‚ he notices he is in
Premium
Analysis One notable aspect of Edgar Allan Poe’s prose is his consistent use of detailed description‚ and he uses this tendency to great effect in his short story "The Pit and the Pendulum." The aim of the story is very simply to create a dark atmosphere of foreboding and anticipatory horror‚ and Poe achieves this by minutely tracking the path of the unnamed narrator’s thoughts and experiences. Although the narrator is‚ like most of Poe’s first-person protagonists‚ somewhat unreliable in nature
Premium Edgar Allan Poe
Lab 3 : Techniques in Microscopy Title : Preparation of light microscope observe cell organisms. Objective : To observe and investigate the cell structure under the light microscope. Introduction A microscope is an instrument used to magnify and resolve a specimen. It is important to know several important features of microscopy which involves magnification‚ resolution and contrast. Magnification is the enlargement of a specimen while resolution is the ability to distinguish detail or the
Premium Microscope
In Edgar Allan Poe’s “The Pit and the Pendulum‚” a nameless narrator is trapped in a prison awaiting for his fate. He ultimately finds himself being put to death by a swinging pendulum‚ and narrowly escapes. In Poe’s story‚ he many gothic elements in this narrative such as‚ a frantic narrator‚ visions about a dream-like state‚ a setting that creates an atmosphere of suspense‚ and finally the use of time to illustrate the horror of death. Poe employs these elements by the use of his playbook‚ which
Premium Fear Edgar Allan Poe Horror and terror
CE121: Construction Materials Laboratory Report No. 1 Particle Size Distribution Van Joseph E. Casalme 2010-14928‚ BS Civil Engineering Institute of Civil Engineering‚ College of Engineering University of the Philippines Diliman‚ Diliman Quezon City 1101 Submitted to: Engr. Christian R. Orozco ABSTRACT This test (ASTM C136-06) determines the grading of materials being used as aggregates using two parameters (coefficient of uniformity and gradation) from particle-size distribution
Premium Sieve analysis Particle size distribution Construction aggregate