Unit 3 – Virtual Labs Letizia Schianodicola Lab #1 – Atomic Weight of Magnesium 1. Moles of hydrogen evolved‚ from chemical property dialog for beaker: a. 0.000411 mol H2 2. Calculate the atomic weight of Magnesium. Atomic weight of Mg = weight of Magnesium/moles of H2. b. 59‚136.253 g/mol Mg (24.305 - weight of Mg / 0.000411 mol H2) 3. Calculate the # of molecules of H2 that were produced in the reaction – use Avagadro’s number –
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America Rodriguez Instructor: Nicole Dellasanta English 102 10/24/2013 A conforming society We would think that in such a modern and developed world‚ people would be encouraged to express their individuality and independent way of thinking‚ but is that really so? Humans are social animals. As people‚ we live in a countless social structure‚ placing a strong emphasis on our need to belong and have strong relationships. Because of these needs we often end up agreeing with thoughts or opinions
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DEFINITIONS * Biology is a natural science concerned with the study of life and living organisms‚ including their structure‚ function‚ growth‚ evolution‚ distribution‚ and taxonomy. * The cell is the basic structural and functional unit of all known living organisms. It is the smallest unit of life that is classified as a living thing (except virus‚ which consists only from DNA/RNA covered by protein and lipids)‚ and is often called the building block of life. Organisms can be classified
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In biology species can become isolated from other species through a number of processes. These isolation processes keep the two species from interbreeding and producing hybrid offspring. There are five separate isolation processes that prevent two species capable of producing offspring from being able to do so. Ecological Isolation Ecological‚ or habitat‚ isolation is when two species that could interbreed do not because the species live in different areas. For example‚ in the wild of India both
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UNIT THREE: Music Appreciation Lab Questions At this point‚ you are asked to complete the video journey questions. Each link (the title of the lab) has a set of questions beneath it. Using the link‚ answer the questions that follow. Note that links open up a new browser window. Please include the questions and answers when you submit your assignment in the dropbox. Use appropriate headings in your assignment. Submit the work as one file attachment. This means you complete all work in one word processing
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`Biology B1 Revision Classification • Organisms were based into groups based on their characteristics (classification). • Kingdom‚ Phylum‚ Class‚ Order‚ Family‚ Genus‚ Species Kingdom Main Characteristics Animalia Multicellular; heterotrophic feeders so no chlorophyll‚ no cell walls; complex cell structure with nucleus Plantae Multicellular; autotrophic feeders using chlorophyll; cell walls made of cellulose; complex cell structure with nucleus Fungi Multicellular; cell walls not made
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Lab Exercise 2.03: Recognizing External Connections Is it possible to plug any cable into the wrong connector? If so‚ which one(s)? What do you think would happen if you plugged something into the wrong connector? Answer- Yes‚ the mouse and keyboard connectors. If they plug into the wrong connector‚ the device will not work. DATA-CABLE from printer to the PC (both ends) End 1 (PC) USB End 2 Parallel Port Male or Female: Male End 2 Female Number of Pins: 25 Data cable from the keyboard
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biology FOLIO BIOLOGY POLLUTION NIK ‘AINAA SYAKIRAH BT NIK GHAZALI 5 IBNU SINA INTRODUCTION Pollution is the introduction of contaminants into a natural environment that causes instability‚ disorder‚ harm or discomfort to theecosystem i.e. physical systems or living organisms. It can also be define as any undesirable changes in physical‚ chemical or biological characteristics of the natural environment‚ brought about when harmful substances or energy released by human activities. Pollution
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Lab #3: Ion Exchange Chromatography Objective The purpose of this experiment was to separate proteins on the basis of their net charge at a particular pH. In cation exchange chromatography positively charged molecules are attracted to a negatively charged column. Conversely‚ in anion exchange chromatography‚ negatively charged molecules are attracted to a positively charged column. Experimental results could be monitored in a predictable way by controlling running pH‚ salt concentration‚ and by
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SCI203 Phase 3 Lab Report Sources of CO2 Emissions Sharon Patton June 8‚ 2015 Colorado Technical University Purpose The purpose of this report is to determine the increase or decrease in CO2 emission over the past 40 years. Showing that human activity is the reason for the altering of the CO2 emissions to the earth. Resulting in the unbalancing of ecosystems across the globe. (M.U.S.E.‚ 2010) Introduction Carbon dioxide is naturally present in the atmosphere as part of the Earth ’s
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