Limbach Mrs. Falk Chemistry 09-13-13 Title: Properties of Gases Purpose : The purpose of this lab was to learn about properties‚ both physical and chemical‚ of gases and to be able to identify them. Materials: Matches Toothpicks Pie tin Marker White Vinegar Hydrogen peroxide Measuring spoons Straw Tissue paper Baking soda Test tubes 24 Well Plate Pipet Stoppers for the test tube Chemicals provided by Labpaq Procedure: Place a piece of mossy zinc in the
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Dex Cimino 3/24/2013 CHE101‚ Tamburro Lab 3 – Properties of Gases Data Table: Experiment Results | Gas | Flamereaction | Glowingsplint | Limewaterreaction | Bromothymolblue reaction | Hydrogen | Popping | extinguish | brownish | green | Oxygen | Brighter | reignite | redish | blue | Hydrogen & oxygen | exothermic | extinguish | brownish | Blue-green | Carbon dioxide | extinguish | extinguish | Milky | yellow | Alka
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Title: Mitosis and Meiosis Abstract: There are two types of nuclear division‚ mitosis and meiosis. Mitosis is usually used for the growth and replacement of somotaic cells‚ while meiosis produces the gametes or spores used in an organism’s reproduction. Hypothesis: Mitosis occurs in whitefish blastula and onion root tip‚ and it is easily observable. Meiosis and crossing over occurs in the production of gametes and spores. Materials: This lab required prepared slides of whitefish blastula
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Anatomy and Physiology LabPaq: AP-1 14 Small-Scale Experiments for Independent Study Published by Hands-On Labs‚ Inc. Anatomy and Physiology: Independent Laboratory Exercises for the First Semester Designed to accompany Anatomy & Physiology LabPaq AP-1 062211 LabPaq® is a registered trademark of Hands-On Labs‚ Inc. (HOL). The LabPaq referenced in this manual is produced by Hands-On Labs‚ Inc. which holds and reserves all copyrights on the intellectual properties associated with the LabPaq’s
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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 student’s writing of lab reports by providing this information in an editable file which can be sent to an instructor. Exercise
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Properties and Behavior of Gases General Properties of Gases Properties Solids Shape Definite shape Volume Definite volume Particles and movement Compressibility Density Liquids Gases No definite shape No definite shape Definite volume No definite volume Particles are Particles are close close together together and and may vibrate move randomly in place Incompressible Slightly compressible Particles are far apart and move randomly Very compressible
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Greenhouse Gases: Carbon dioxide (CO2) is a greenhouse gas in the atmosphere that may raise average temperatures on Earth. The burning of fossil fuels could be responsible for the increased levels of carbon dioxide. If current trends continue‚ future concentrations of atmospheric carbon dioxide in parts per million (ppm) could reach the levels shown in the accompanying table. The CO2 concentration in the year 2000 was greater than it had been at any time in the previous 160‚000 years. Year 2000
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INTRODUCTION [SLIDE 2] Many chemical compounds found in the Earth’s atmosphere act as “greenhouse gases.” These gases allow sunlight to enter the atmosphere freely. When sunlight strikes the Earth’s surface‚ some of it is reflected back towards space as infrared radiation (heat). Greenhouse gases absorb this infrared radiation and trap the heat in the atmosphere. Over time‚ the amount of energy sent from the sun to the Earth’s surface should be about the same as the amount of energy radiated back
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Friction Peter Jeschofnig‚ Ph.D. Version 42-0262-00-01 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
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"Kingly Gases" What is chemistry? According to dictionary.com‚ the definition of chemistry- is the science that deals with the composition and properties of substances and various elementary forms of matter. Chemistry is everywhere. For example: in a kitchen‚ it is in everybody’s chemically treated water‚ or fruits grown with fertilizers and pesticides‚ or polymer material in the marble counter tops. Again‚ Chemistry is everywhere. If a person wanted to go deeper into chemistry‚ they probably would
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