• Melting Ice Caps
    Melting Ice Caps The Arctic is global warming’s canary in the coal mine. It is a highly sensitive area which is profoundly affected by the changing climate. The average temperature in the Arctic is rising twice as fast as elsewhere in the world (nrdc.org). Because of this, the ice cap is gett...
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  • Melting Ice
    Research report Water is very important .We need water to drink, to wash our hands, to cook, to water plants and many other things. Without water, the plants would die and people and animals would go thirsty. What is water? Water is made up of two hydrogen atoms, and one oxygen atom. When the...
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  • Why Do They Use Salt to Melt Ice on the Road in the Winter?
    Why do they use salt to melt ice on the road in the winter? If you live in a place that has lots of snow and ice in the winter, then you have probably seen the highway department spreading salt on the road to melt the ice. You may have also used salt on ice when making home-made ice cream. Salt low...
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  • Chemistry 5th Grade
    CHEMISTRY FIFTH GRADE 1 WEEK LESSON PLANS AND ACTIVITIES ROCK CYCLE OVERVIEW OF FIFTH GRADE CHEMISTRY WEEK 1. PRE: Describing a chemical reaction. LAB: Illustrating how molecules move. POST: Comparing salt and sugar crystals. MINERALS WEEK 2. PRE: Exploring minerals made of elements and co...
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  • What Is Chemistry
    Chemistry is the branch of science that deals with the structure of organic and inorganic matter, inorganic matter is any substance or organism that has mass and occupies space, its properties and reactions. Chemistry is also the study of matter and energy and the interactions between them. Chemistr...
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  • An Ice Calorimeter Determination of Reaction Enthalpy
    Thermochemistry: An Ice Calorimeter Determination of Reaction Enthalpy D. F. Nachman 6/23/2010 Abstract: An ice calorimeter was used to study the reaction of magnesium metal and 1.00M sulfuric acid solution: Mg(s) + H2SO4(aq) →MgSO4(aq) + H2(g). We found the experimental molar enthalpy of...
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  • Physical Chemistry Biosciences
    Physical Chemistry Third Edition Physical Chemistry Third Edition Robert G. Mortimer Professor Emeritus Rhodes College Memphis, Tennessee AMSTERDAM • BOSTON • HEIDELBERG • LONDON NEW YORK • OXFORD • PARIS • SAN DIEGO SAN FRANCISCO • SINGAPORE • SYDNEY • TOKYO A...
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  • Chemistry in Our Lives
    Our planet Earth is unique in the solar system because as far as we know, life can exist only on Earth. Since life evolved, many processes have been taking place. Many elements have been present on Earth. Mankind has always had the thirst to find out why and how things happen. Mankind started to lea...
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  • Heat of Fusion for Ice
    7/16/12 Heat of Fusion Heat of Fusion for Ice Introduction: This lab report is a step by step process in calculating the heat of fusion for ice and to compare the differences between salt added to room temperature water and salt added to icy water. To calculate heat of fusion, one must unde...
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  • Chemistry
    Thermochemistry Answer Key Assignments 1- 8 Page 1. -------------------------------------------------------------------------------- Answers to Energy Assignment 1 1. Indicate whether the following scenarios illustrate matter possessing mainly potenial energy, or kinetic en...
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  • Little Ice Age
    Europe had experienced a general cooling of the climate between years 1150 and 1460 and a very cold climate between 1560 and 1850. This event came to be known as the “Little Ice Age.” This cold weather had impact on agriculture, health, economics, emigration, and art and literature . The term â€...
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  • Chemistry Paper Edexcel
    Centre No. Candidate No. Paper Reference(s) Surname Paper Reference Initial(s) 4 3 5 5 4355/1F 1 F Signature Examiner’s use only London Examinations IGCSE English Language Paper 1F Team Leader’s use only Question Leave Number Blank 1 2 3 4 5 6 7 Foundation Ti...
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  • Chemistry Form 4
    Contents 1) Sulphuric Acid----------------------------------------------------------------(1-6) a. Uses of sulphuric b. Manufacture of sulphuric acid c. Sulphur dioxide and environmental pollution 2) Ammonia and Its Salt-----------------------------------------------...
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  • Global Warming: It’s Affects on the Polar Ice Caps
    Everywhere you look right now you will hear about the pheonomia of “global warming.” To understand global warming you need to understand the difference between climate and weather. Climate, as defined by Webster’s Dictionary is “the average course or condition of the weather at a place ove...
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  • Ice Calorimeter
    Abstract: This report is a description of an experimental determination of the enthalpy of reaction of sulfuric acid in a reaction with magnesium to produce magnesium sulfate. Through the use of an ice calorimeter, the rxn H° D for this reaction is determined to be 1 360kJ mol − − × . Int...
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  • Ice Melting
    This Week's Experiment - #215 Melting Icebergs This week's experiment comes from a report I recently heard on National Public Radio. Unfortunately, I was driving and could not write down the fellow's name, so I could give him proper credit. He was talking about the facts and fictions of global warm...
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  • Ice Cap Melting
    Kellany Moore February 26, 2011 Rough Draft/Concept Paper Without debating on whether the polar ice is melting regardless of global warming or not, the warming conditions in Alaska has forced a female polar bear to swim for nine days straight, swimming approximately seven hundred kilometers an...
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  • How Melting of Arctic Sea Ice Affect Global Warming
    Arctic Sea Melting Enhancing the Effect of Global Warming in High Latitudes The world warmed by about 0.7°C in the 20th century. Every year in this century has been warmer than all but one in the last century (1998). If carbon-dioxide levels were magically to stabilize where they are now (almos...
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  • Chemistry Revision Notes
    Chemistry 1 Revision Booklet Unit Chemistry 1 Syllabus At the beginning of each sub-section, activities are stated which develop candidates. skills, knowledge and understanding of how science works. Details are then given of the substantive contexts in which these skills, knowledge and understandin...
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  • As Chemistry
    Teaching AS Chemistry Practical Skills Teaching AS Chemistry Practical Skills Your attention is drawn to the Risk Assessment section on page 15 of the Introduction to this booklet, and to the hazards indicated in Appendices 1 and 2. While every effort has been made to ensure that appropriate...
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