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  • Chemistry Rates Of Reaction Coursework: Sodium Thiosulphate And Hydrochloric Acid

    Chemistry Rates Of Reaction Coursework: Sodium Thiosulphate And Hydrochloric Acid

    An investigation to show how the rate of reaction between hydrochloric acid and sodium thiosulphate is affected by the concentration of the acid Simple Procedure Place a conical flask on a piece of paper with a cross on it. Add hydrochloric acid and sodium thiosulphate, and record the amount of time taken for the cross to disappear through the solution from the top of the flask. Record this time and repeat this for different concentrations

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    Essay Length: 864 Words / 4 Pages
    Submitted: November 21, 2010
  • Acid Rain

    Acid Rain

    Acid rain is a kind of air pollution. When coal, oil, or gasoline are burned, they release harmful gases into the air. These gases mix with the moisture that is always present in the air and form weak acids. Wind can carry the acidic droplets huge distances. Eventually, these droplets return to the ground as acid rain or as acid hail, snow, sleet, or even fog. Acid rain looks, feels, and tastes just like clean

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    Essay Length: 481 Words / 2 Pages
    Submitted: July 18, 2010
  • Acid Rain

    Acid Rain

    INTRODUCTION: Acid rain is a great problem in our world. It causes fish and plants to die in our waters. As well it causes harm to our own race as well, because we eat these fish, drink this water and eat these plants. It is a problem that we must all face together and try to get rid of. However acid rain on it's own is not the biggest problem. It cause many other problems

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    Essay Length: 1,982 Words / 8 Pages
    Submitted: August 25, 2010
  • Acid Precipitation

    Acid Precipitation

    Sitting in your room late at night, you listen to the gentle pittter-patter of the rain on your window. Ahh, so soothing and relaxing. Have you ever really wondered what the rain is really made of? Is that just water or is it acid slowly streaming down out there? That rain you hear just might be acid rain, it could change the way you live your life. The commonly used terms "acid rain" and

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    Essay Length: 1,739 Words / 7 Pages
    Submitted: August 25, 2010
  • Chemistry

    Chemistry

    Chemical Warfare and Its Uses Chemical warfare is the use of natural and man-made toxic substances to incapacitate or kill an enemy. There are many different types of agents used in chemical warfare, some of which are mustard gases, nerve gases, psychotomimetic agents, tear gases, hydrogen cyanide, and arsines. All of which are very poisonous and lethal when exposed to humans in large amounts. Until the 20th century such warfare was primarily limited to starting

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    Essay Length: 623 Words / 3 Pages
    Submitted: August 29, 2010
  • Organic Chemistry

    Organic Chemistry

    Distillation Andrea Pausma October 1, 2001 I. Introduction The process of distillation has been used by humans for years to create alcoholic beverages. Distillation is the process of boiling a pair of liquids with different boiling points and then condensing the vapors above the boiling liquid in an attempt to separate them. One might suspect that the mixed two liquids of different boiling points could be separated simply by raising the temperature to the lower

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    Essay Length: 1,226 Words / 5 Pages
    Submitted: September 1, 2010
  • Acid Rain

    Acid Rain

    Acid rain is a very big pollution problem in the world. It has killed fish and other aquatic life in many lakes and streams. It harms human health, disfigures monuments and erodes buildings, and, along with other pollutants, threatens forests. The story of acid rain can be compared to the plot of a science fiction movie. In the 1950s an invisible force begins to destroy lakes and rivers, killing trout and salmon. By the

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    Essay Length: 1,109 Words / 5 Pages
    Submitted: September 3, 2010
  • Chemistry Experiment

    Chemistry Experiment

    Question: What is the solubility curve of KNO3 Prediction: Draw a sketch to show the shape of the curve you expect for the solubility of a typical solid dissolving in water at different temperatures. Plot solubility on the y-axis and temperature on the x-axis. Materials: Large test tube Balance Stirring wire Two-hole stopper to fit the test tube, with a thermometer inserted into one hole 400mL beaker graduated cylinder or pipette or burette hot plate

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    Essay Length: 443 Words / 2 Pages
    Submitted: September 4, 2010
  • Chemistry

    Chemistry

    Chemistry is the study of the nature, properties, and composition of matter, and how these undergo changes. There different kinds of chemistry which are organic chemistry, Biochemistry, inorganic chemistry, physical chemistry, theoretical chemistry, analytical chemistry. Organic chemists study compounds of carbon. Atoms of this element can form stable chains and rings, giving rise to very large numbers of natural and synthetic compounds. Biochemists concern themselves with the chemistry of the living world. Inorganic chemists are

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    Essay Length: 317 Words / 2 Pages
    Submitted: September 15, 2010
  • Chemistry And Carbohydrates

    Chemistry And Carbohydrates

    The Chemistry of Carbohydrates The chemistry of carbohydrates most closely resembles that of alcohol, aldehyde, and ketone functional groups. As a result, the modern definition of a carbohydrate is that the compounds are polyhydroxy aldehydes or ketones. The chemistry of carbohydrates is complicated by the fact that there is a functional group (alcohol) on almost every carbon. In addition, the carbohydrate may exist in either a straight chain or a ring structure. Ring structures incorporate

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    Essay Length: 1,097 Words / 5 Pages
    Submitted: September 28, 2010
  • Acid Rain

    Acid Rain

    Acid Rain Acid rain is a serious problem with disastrous effects. Each day this serious problem increases, many people believe that this issue is too small to deal with right now this issue should be met head on and solved before it is too late. In the following paragraphs I will be discussing the impact it has on the wildlife and how our atmosphere is being destroyed by acid rain. There is evidence that

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    Essay Length: 689 Words / 3 Pages
    Submitted: October 13, 2010
  • Acid Rain

    Acid Rain

    Acid rain is considered by many people to be one of the most serious environmental problems of our time. It is a global problem that is slowly eating away at our world. Angus Smith came up with the word acid rain when he wrote about pollution in England. Most rain is naturally acidic because of the carbon dioxide (CO2) in the air that dissolves with rainwater and forms a weak acid. This kind of acid

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    Essay Length: 313 Words / 2 Pages
    Submitted: October 19, 2010
  • Acid Rain

    Acid Rain

    Acid rain is a serious problem with disastrous effects. Each day this serious problem increases, many people believe that this issue is too small to deal with right now this issue should be met head on and solved before it is too late. In the following paragraphs I will be discussing the impact has on the wildlife and how our atmosphere is being destroyed by acid rain. CAUSES Acid rain is a cancer eating into

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    Essay Length: 1,299 Words / 6 Pages
    Submitted: October 23, 2010
  • Acid Rain Pollution

    Acid Rain Pollution

    ACID RAIN name here Engineering 303i Professor h May 3, 2004 BIBLIOGRAPHY Penguin Publishing House, 1987 , Pearce Fred Acid Rain. What is it and what is it doing to us? New York Publishers, 1989, William Stone Acid Rain. Fiend or Foe? Lucent books, Inc. 1990, Steward Gail Acid Rain. Acid Rain Acid rain is a great problem in our world. It causes fish and plants to die because earth's rainwaters are contaminated. It

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    Essay Length: 3,371 Words / 14 Pages
    Submitted: October 30, 2010
  • Acid Rain

    Acid Rain

    Acid rain is one of the most dangerous forms of pollution on the Earth, and it is sometimes known as "the unseen plague," because it can go undetected for very long periods of time. Acid rain does not actually have to be in the form of rain, it can be any type of precipitation. It is not something to be taken lightly, as it is harmful during the time it precipitates and still affects

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    Essay Length: 1,038 Words / 5 Pages
    Submitted: November 6, 2010
  • Chemistry

    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 energy. a) There are 30 liters of fuel in the tank of a stationary automobile. Ð'*Potential energy (chemical energy in fact) b) A large rock is perched at the edge of a 40m cliff. Ð'*Potential energy (of the gravitational type) c) Energy is supplied to a beaker

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    Essay Length: 5,354 Words / 22 Pages
    Submitted: November 6, 2010
  • Chemistry

    Chemistry

    Cadmium is a chemical element in the periodic table that has the symbol "Cd" and atomic number forty-eight. It is a relatively rare, soft, bluish-white, toxic transition metal, cadmium occurs with zinc ores and is used largely in batteries. Cadmium is a common impurity in zinc, and it is most often isolated during the production of zinc. Zinc sulfide ores are roasted in the presence of oxygen converting the zinc sulfide to the oxide.

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    Essay Length: 710 Words / 3 Pages
    Submitted: November 7, 2010
  • Basic Chemistry

    Basic Chemistry

    Observing- use of senses to obtain information -Making measurements and collecting data -Qualitative-descriptive (ex: color) -Quantative-numerical (ex: mass) -System-a specific portion of matter in a given region of space that has been selected for study during an experimentation or observation Hypothesis- testable statement -Formed from generalizations about data -Basis for making predictions -"If-then" statements: "then" is the prediction that is the casis for testing using an experiment Theorizing-when data shows a hypothesis is correct you

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    Essay Length: 998 Words / 4 Pages
    Submitted: November 10, 2010
  • Uses Of Chemistry

    Uses Of Chemistry

    How has the study of chemistry affected the lives of ordinary people? Every single day, without even realising it, we use so many things that are brought to us by the discoveries and advances in chemistry. Many of these things we take for granted, and don't even bother to question how it got there, why it is there, and how it works. Chemistry makes up everything in our lives, from the air that we breathe,

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    Essay Length: 1,904 Words / 8 Pages
    Submitted: November 13, 2010
  • Chemistry

    Chemistry

    Data/ Observations Data: * Measurements: - Paper towel = 0.5100 g - Cu + Paper towel = 1.1000 g - HNO3 = 5.01 mL - H2O = 100 mL - NaOH = 30.001 mL - Wax Plate = 2.291 g - Zn + Wax Plate = 4.693 g - Zn = 2.402 g - Methanol = 5.19 mL - Acetone = 5.30 mL - End Product Cu + Wax Plate = 2.970 g - End

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    Essay Length: 1,506 Words / 7 Pages
    Submitted: November 13, 2010
  • Chemistry

    Chemistry

    There are numerous labels, descriptions, and terms that can characterize or narrate the interactions between the Iberians and Indigenes during Columbus's expedition in 1492 and after the expedition. Some of the terms that we have used in class are encounter, contact, discovery, and conquer. Many of the scholars that we have read and conversed about in class have used some of the same terms and various different ones. In this paper, the focus will be

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    Essay Length: 1,856 Words / 8 Pages
    Submitted: November 16, 2010
  • Chemistry

    Chemistry

    Chemistry Revision Sheet 1. Atomic structure Key Pages: 4 - 21 2. Isotopes 3. Mass spectrometer - How does it work? (Working out relative atomic mass from isotope) 4. Electronic structure (s, p, d) 5. Patterns in ionisation energies ----------------------------------------------------------------------------------------------------- Atomic Structure Relative Mass Proton (p) Neutron (n) Electron (e-) Relative Mass 1 1 1/1836 Relative Charge +1 0 -1 Atomic Number = Proton Number The Mass Number is the sum of protons and the

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    Essay Length: 437 Words / 2 Pages
    Submitted: November 16, 2010
  • Organic Chemistry Lab

    Organic Chemistry Lab

    Extraction & Evaporation. Separating the Components of "Panacetin, and the Recrystallization & Melting Point Measurement. Identifying a Component of "Panacetin." Introduction This laboratory experiment was a combination of two separate experiments as stated in the above title. The introduction has been split into 2 separate components to briefly give some background on each procedure. 1 This particular lab is set up with quite a different scenario then that of the last one. A roving agent

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    Essay Length: 1,069 Words / 5 Pages
    Submitted: November 17, 2010
  • Journal Of An Acid Trip: Personal Perspective

    Journal Of An Acid Trip: Personal Perspective

    What I intend to do over the weekend of 2/29 is consume a tab of LSD. I have taken this substance before and I am fully aware of what to expect. I’ll admit though that is has been a very long time since I’ve last done it. It’ll be a first- hand account on what it is like to be in an altered state. Attempts will be made to describe what is going through my

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    Essay Length: 3,077 Words / 13 Pages
    Submitted: November 19, 2010
  • Acids And Bases: Titrations, Reactions, And Standardizations

    Acids And Bases: Titrations, Reactions, And Standardizations

    Acids & Bases: Reactions, Standardizations, & Titrations Experiments 21 & 22 Experimental Overview: The procedure for this experiment was carried out as instructed in the laboratory manual, Experiments in General Chemistry, 4th ed., S.L. Murov, Experiment 21, Acids and Bases: Reactions and Standardizations, and Experiment 22, Acids and Bases: Analysis. There were modifications made by the instructor to dilute the 6M NaOH to 0.1M in 300mls instead of 500mls in Part B of Experiment

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    Essay Length: 2,837 Words / 12 Pages
    Submitted: November 19, 2010

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