Hydrogen Essays & Research Papers

Best Hydrogen Essays

  • Hydrogen - 501 Words
     Study of the first element – Hydrogen. Answer the following questions:- 1. Give a reason why hydrogen can be placed in group 1[IA] and group 17[vIIA] of the periodic table. 2. What similarities does it show with group 1[IA] and group 17[VIIA]. With special reference to valency electrons and ion formaton and examples. 3. How does hydrogen occur in the free and combined state? 4. Which metals react with cold,steam and boiling water to form their respected oxides and hydroxides ? Give examples...
    501 Words | 2 Pages
  • Hydrogen Cars - 1549 Words
    Hydrogen Automobiles The effect of pollution that is emitted from vehicles is a serious concern in today's society. The cause of this pollution is the toxic emissions from current vehicles. This toxic emissions or pollution destroys the Earth's ozone layer or atmospheric gases Acknowledging these facts, many are very concerned with the condition of the Earth's atmospheric gases in the future. In just a very short time, scientists produced a new vehicle which only emits water out of its exhaust...
    1,549 Words | 5 Pages
  • Hydrogen Research - 21237 Words
    TECHNICAL REPORT SERIES Potential for Hydrogen as a Fuel for Transport in the Long Term (2020 - 2030) - Full Background Report - EUR 21090 EN Institute for Prospective Technological Studies Potential for Hydrogen as a Fuel for Transport in the Long Term (2020 - 2030) - Full Background Report - Matthias Altmann Patrick Schmidt Reinhold Wurster Martin Zerta Dr. Werner Zittel (Edited by Hector Hernandez) March 2004 EUR 21090 EN European Commission Joint Research Centre (DG...
    21,237 Words | 70 Pages
  • Hydrogen and Points - 968 Words
    1. Identify the functional group or molecule for each of the following. (3 points) 1. COOH -OH 2. COH -OH 3. COH -OH 1. List whether each of the following substances was positive or negative for reducing sugar, as indicated by the Benedict's test. (6 points) 1. corn syrup (1 point) positive 2. table sugar (1 point) positive 3. unknown 1 (1 point) negative 4. unknown 2 (1 point) negative 5. unknown 3 (1 point) positive 6. unknown 4 (1...
    968 Words | 4 Pages
  • All Hydrogen Essays

  • Hydrogen Bonding - 294 Words
    Amena Haidar SCH4U 03/04/13 Hydrogen Bonding Purpose: The purpose of this investigation is to test the concept of hydrogen bonding. Hypothesis: Given the concept of hydrogen bonding I predict that the bulky glycerol molecules limits the number of possible hydrogen bonds. If water is mixed with glycerol should make it possible for water to form many hydrogen bonds with the glycerol molecules, causing it to become a exothermic reaction. Because glycerol has more possibilities for...
    294 Words | 2 Pages
  • Fossil Fuels Into Hydrogen Gas
     SCI 110SC-CA02 Evaluating Global Warming Replacement of Fossil Fuels Fossil fuel is a natural fuel, such as coal or gas, formed in the geological past from the remains of living organisms. Humans use fossil fuels every minute of each day in order to survive. Coal, oil, petrol gas, diesel fuel, and natural gas are all used from fossil fuels. That being said, we use it with some things such as, central heating and air conditioning, driving a car, shopping for groceries that were...
    624 Words | 2 Pages
  • Hydrogen and Following Complexes I.
    MAJENGO SECONDARY SCHOOL CHEMISTRY TEST FORM VI JULY 2013 TIME: 2 HOURS SECTION A Answer all questions 1. a) A coordination compound has a formula Co Cl3. 4NH3. It does not liberate ammonia but precipitates one mole of chloride ions with Ag No3. i. Give IUPAC name of the complex ii. Write it’s structural formula a) Give chemical tests to distinguish [Co Br (NH3) 5] S04 and [Co (NH3)5 SO4] Br 2. Give IVPAC Names of the following i. K2 [ptF6]...
    438 Words | 2 Pages
  • Magnesium: Chlorine and Hydrogen Moles
    ATOMIC WEIGHT OF MAGNESIUM LAB Introduction The main purpose for this experimental lab is to determine the atomic weight of magnesium, as well as an underlying purpose in determining the relationship between moles evolved and consumed. This can be demonstrated by measuring the hydrogen gas evolved by performing a chemical experiment when hydrochloric acid reacts with the magnesium. The formulated reaction includes; Mg + 2HCl → H2 + Mg2+(aq) + 2Cl- (aq) The major findings...
    370 Words | 2 Pages
  • Generation of Hydrogen Gas Lab
    January 23rd, 2013 Generation of Hydrogen Gas Abstract Hydrogen gas was produced from a reaction in a eudiometer between a weighted amount of magnesium ribbon and 5ml of diluted 6M hydrochloric acid. The partial pressure of the hydrogen gas produced was calculated using Dalton’s Law of partial pressure. With this partial pressure value along with known values in the experiment the number of moles of hydrogen gas produced could be calculated using the ideal gas law equation and this...
    718 Words | 3 Pages
  • Hydrogen: the Fuel of the Future
    Hydrogen: The Fuel of The Future By: Json Why are we as Americans so afraid to change? even if it is a change for the better? the world has been using oil coal and other petroleum products to power just about everything that moves for the last 150 years. yet most cars in the united states only get 10-20 miles a gallon and even the "good" ones can get only a petty 20-50 miles a gallon. so why do we put up with the inefficiency when there are far better alternatives out there? Such as...
    1,265 Words | 3 Pages
  • Information on Iron and Hydrogen - 831 Words
    IRON (METAL) Iron is a chemical element with the symbol Fe (from Latin: ferrum) and atomic number 26. It is a metal in the first transition series. It is the most common element (by mass) forming the planet Earth as a whole, forming much of Earth's outer and inner core. It is the fourth most common element in the Earth's crust. Iron's very common presence in rocky planets like Earth is due to its abundant production as a result of fusion in high-mass stars, Like other group 8 elements,...
    831 Words | 4 Pages
  • Hydrogen Fuel Cells - 993 Words
    As time goes on, technological advances require more efficient sources of power. At the forefront of research for these power sources are hydrogen fuel cells. This power source takes in the most abundant element in the universe, Hydrogen, and yields immense power without combustion or pollution. The three aspects of this scientific breakthrough are the fuel cells, hydrogen production, and hydrogen storage. Fuel cells are the devices with which Hydrogen is made into electricity. These use a...
    993 Words | 3 Pages
  • Electrochemical Production of Hydrogen - 1720 Words
    Electrochemical production of hydrogen from water Presented by: Heba A. Alsabagh Hiba M. Maghayreh Hiba N. Abu Zaghleh Sahar M. Alissa University of Jordan Faculty of Engineering & Technology Department of Chemical Engineering Supervised by: 0078381 0076527 0076528 0072918 Dr. Hatem Alsyouri December, 2011 Chapters: Introduction Literature Survey Process Selection and Design Process Description Material and Energy Balances Design 2 Chapters:  Feasibility...
    1,720 Words | 18 Pages
  • Atom and Hydrogen Is1s1 - 117 Words
     The Origin of Hydrogen is from England and means ‘water generator’. The Symbol for Hydrogen is H. The atomic number for Hydrogen 1. The atomic mass for Hydrogen is 1.00794. Hydrogen is in group 1. The electron configuration for hydrogen is1s1. Hydrogen has 1valence electrons. Hydrogen is colorless. Hydrogen is texture less. Hydrogen has a metallic form. Hydrogen is texture less. Hydrogen has a metallic form. Hydrogens melting point is 434.5 degrees F. The density of Hydrogen is 0.08988 g/L....
    117 Words | 1 Page
  • Hydrogen and Balanced Chemical Equation
    Determine Value of R Lab 3 Report must be typed and submitted to Turn it in by Wednesday Sept 24th 11:59pm. Title +1 Purpose +1 Procedure +2 Data Table +4x Balanced Chemical Equation +2 Calculations Calculate R for each trial and then average. +5 Calculate % error +2 Type and Answer Discussion Questions +8 Additional Questions for Calculating the R Lab 1. One mole of hydrogen gas has a mass of 2.02 g. Use your value of molar volume to calculate the mass of one Liter...
    279 Words | 2 Pages
  • Hydrogen Uses, Purposes, and Compounds
    Hydrogen is recognized as the simplest and lightest chemical element in the periodic table; even though it is identified as one of the top elements in abundance in the world (consisting of 0.9 percent of the total mass on earth), it is considered to be the most abundant element in the entire universe. It is a gaseous element with the atomic symbol being H. It is usually categorized under the first group of the periodic table known as the alkali metals. It contains only one electron that revolves...
    1,154 Words | 3 Pages
  • Hydrogen and Equilibrium Shift - 388 Words
    Le Chatelier’s Principle Part I: Record your observations. NaOH was dissolved in MgCl2, the color turned dark pink (from white) Questions In Part I the reaction you observed was Mg(OH)2 (s) Mg2+ (aq) + 2 OH- (aq). Compare the colors you observed in the experiment and answer these questions: A. Which way should the equilibrium shift when HCl is added? How do your results support your answer? It should shift to the left because adding any component causes the equilibrium to...
    388 Words | 2 Pages
  • Making and Testing for Hydrogen Gas
    Making and Testing for Hydrogen Gas Felicity Tyler Aim: To produce and test for hydrogen gas. Materials: * rubber stopper * dilute hydrochloric acid (HCI) * zinc pieces (Zn) * test-tube rack * matches * dilute sulphuric acid (H2SO4) * 2 cm strips of magnesium ribbon (Mg) * Iron pieces (Fe) * Test-tube Method 1. Test the different metals with the acids by separately...
    415 Words | 2 Pages
  • A Modern Definition of Hydrogen Bond
    A hydrogen bond is the electromagnetic attractive interaction between polar molecules in which hydrogen (H) is bound to a highly electronegative atom, such as nitrogen (N), oxygen (O) or fluorine (F). The name hydrogen bond is something of a misnomer, as it is not a true bond but a particularly strong dipole-dipole attraction, and should not be confused with a covalent bond. These hydrogen-bond attractions can occur between molecules (intermolecular) or within different parts of a single...
    865 Words | 3 Pages
  • Hydroboration: Atom and Hydrogen Peroxide
    Hydroboration-Oxidation Purpose: The purpose of this lab is to analyze the results of hydroboration oxidation on a terminal alkene. Overall Reaction: Compound | MW | Density | BP | MSDS | 1-octene | 112.24 | .715 | 121 | Flammable, irritant | BH | 13.84 | .898 | 90 | Irritant | Tetrahydrofuran | 72.1 | .889 | 66 | Irritant | Hydrogen Peroxide | 34.0 | 1.135 | 152 | Corrosive, harmful | 1-octanol | 130.2 | .824 | 195 | Irritant | 2-octanol | 130.2 | .819 | 160 | Flammable |...
    841 Words | 3 Pages
  • Hydrogen and the Noble Gases - 314 Words
    Hydrogen and the Noble Gases Hydrogen is the chemical element with atomic number 1. It is represented by the symbol “H”. It is an odorless, nonmetallic, tasteless and highly explosive gas. Hydrogen is the lightest and most abundant chemical element in the universe. It forms 1- ions when combined with metals, and 1+ ion when combined with non-metals to form acids. Hydrogen is “the fuel of life”; without it to combine with oxygen we would not have water. Water is made of two parts...
    314 Words | 1 Page
  • effect of temperature on hydrogen peroxide
    Using the Equipment Safely It is important that we use the apparatus carefully, as safety will be an issue throughout the whole experiment. We will wear goggles and an apron or lab coat to protect our eyes and clothes. As we are using enzymes and Hydrogen Peroxide we need to be extra careful, ensuring they don't come into contact with our eyes, skin or clothes. Catalyse is an enzyme found in all living cells. It makes Hydrogen Peroxide decompose into water and Oxygen. We will...
    569 Words | 3 Pages
  • Molar Volume of Hydrogen Lab
    Abstract Molar volume is the volume that one mole of gas occupies when temperature and pressure are kept constant. The molar volume of a gas can be determined through evaluating how much gas is given off when the number of moles of the substance is known. To find the volume of gas that will be used to calculate the molar volume, the process of water displacement can be used. Reference Citation Cesa, J. (2002). ChemTopic labs: Experiments and demonstrations in chemistry (vol. 9)....
    1,377 Words | 7 Pages
  • Production of Hydrogen from Lpg
    2.5.1. Processing Steps of Hydrogen Production from LPG Conventional process for producing hydrogen from light hydrocarbons involves the following process steps: • Feed preparation • Sulfur removal • Steam reforming • CO shift conversion • Autothermal reforming • Process gas cooling • Synthesis gas purification (PSA pressure swing absorption) [5] 2.5.1.1. Sulfur Removal LPG feed first passes through an ambient temperature sulfur adsorption...
    12,886 Words | 62 Pages
  • Hydrogen Powered Vehicles Are the Future
    Can you imagine by 2012 paying $8 a litre or more for your fuel? Can you imagine when oil runs out what will the world run on? Can you imagine running your car on the most abundant thing in the universe? Hydrogen is the answer! Now with a little bit more refining it will be. Good morning fellow students today I will be talking about hydrogen powered vehicles. Firstly, some terms need definition.Hydrogen- a colourless, odourless, flammable gas which is the lightest and simplest of all known...
    564 Words | 2 Pages
  • Hydrogen Powered Vehicles Persuasive Essay
    As you know, gas prices are going up. Nobody likes paying more money for gas and yet nobody is willing to do anything about it. Now that we are at war with the Middle East (the main gasoline providers) the gas prices are going to keep going up. Some people (like foreign ambassadors) say that trade with the Middle East is good for there economy, but I for one don't like being dependent on foreign oil. That is where hydrogen fuel cells come into the picture. Rather than depending on a foreign...
    698 Words | 2 Pages
  • Flexibility of Hydrogen Bond and Lowering of Symmetry in Proton Conductor
    Group B: Model Answer GROUP B MODEL ANSWER Yoshida et al., Flexibility of Hydrogen Bond and Lowering of Symmetry in Proton Conductor, Symmetry 2012, 4, 507-516. DO NOT PLAGIARISE THIS MODEL ANSWER PLAGIARISM FROM ANY SOURCE AUTOMATICALLY LEADS TO A ZERO SCORE Paragraph 1 M3H(XO4)2 compounds are used for electrolytic fuel cells (where M=K, Rb ,Cs; X=S, Se). At different temperatures, the compound exhibits different degrees of symmetry. There are 3 distinct phases observed. Below...
    1,830 Words | 8 Pages
  • Hydrogen Concentration Sensor Selection for the Renewable Energy Vehicle
    Hydrogen Concentration Sensor Selection for the Renewable Energy Vehicle School of Mechanical Engineering, The University of Western Australia ABSTRACT: This paper discusses the selection of a hydrogen concentration sensor for the use in the University of Western Australia’s Renewable Energy Vehicle (REV). Prior to selecting a sensor, it is important to consider the available sensing methods and the specific properties of the measurand, hydrogen. The selection process leading up to the...
    2,397 Words | 9 Pages
  • Which Gas, Ammonia or Hydrogen Chloride, Diffuses Faster?
    Name: Derell Ruan Form: 4B1 SBA: Chemistry Aim: To determine which gas, Ammonia or hydrogen chloride defuses faster. Hypothesis: Ammonia will defuse faster than hydrogen chloride. Materials Equipment: Chemicals: * 2 retort clamp and stand Ammonia * 1 ½ m glass tube * 2 250cm3 beakers * Cotton Wool * Stop clock *...
    404 Words | 2 Pages
  • Discuss Why Hydrogen Bonding Is Essential for Life.
    Discuss why hydrogen bonding is essential for life Throughout biochemistry there are many bonds without which life as it is on earth today would not be possible. One of the most important bonds of these is the hydrogen bond, a weak chemical bond that is present in essential biological molecules such as water and polypeptides. A hydrogen bond is defined by Campbell and Reece as occurring when a hydrogen atom is covalently bonded to an electronegative atom but attracted to another...
    1,670 Words | 5 Pages
  • Existence of Hydrogen Bonds Between Ethanol Molecules
    Experiment 9 Aim A. To investigate the existence of hydrogen bonds between ethanol molecules. B. To measure the strength of hydrogen bond formed between ethanol molecules C. To investigate the formation of hydrogen bonds between molecules of ethyl ethanoate and trichloromethane. D. To measure the strength of hydrogen bond formed between molecules of ethyl ethanoate and trichloromethane. Procedure A. 1. 10 cm3 of ethanol was added into an insulated 50 cm3 beaker...
    692 Words | 5 Pages
  • Hydrogen Production by direct cracking of methane with a nickel catalyst
    ABSTRACT Direct cracking of methane with a supported nickel catalyst is investigated for the production of hydrogen. The sole products of this reaction are hydrogen and carbon nanofibers. Carbon nanofibers are readily formed over nickel catalyst due to its high activity and lower temperature ranges as oppose to carbonaceous catalysts. The catalyst was prepared by either incipient wetness impregnation or coprecipitation into small mesh particles before inputted in reaction system. Reacting with...
    3,589 Words | 11 Pages
  • Flexibility of Hydrogen Bond and Lowering of Symmetry in Proton Conductor
    Yoshida et al., Flexibility of Hydrogen Bond and Lowering of Symmetry in Proton Conductor, Symmetry 2012, 4, 507-516. Paragraph 1 In this paper, we take a look at the different phases of the Cs3H(SeO4)2 polymorphs. There are 3 different phases that is observed and each of them is influenced by the temperatures. In addition, in each phase, the polymorph exhibits different crystal structure. At the room temperature of 298K, it will be in phase 3 whereby it takes the structure of...
    1,089 Words | 5 Pages
  • First Entry Hydrogen Gas Station Biz Plan
    [pic] “Harnessing the Sun today, for a cleaner tomorrow!” Austin Rohl Justin Pressley Bryan Register Chris Fross Craitecia Boyd Table of Contents I. Executive Summary.................................................................................................. 2 II. Industrial and Competitor Analysis...........................................................................3 III. Company and Product...
    5,900 Words | 19 Pages
  • Hydrogen Generation Market - by Merchant & Captive Type, Distributed & Centralized Generation, Application & Technology
    Hydrogen Generation Market - by Merchant & Captive Type, Distributed & Centralized Generation, Application & Technology - Trends & Global Forecasts (2011 - 2016) On 3rd April 2014 Hydrogen has number of applications from chemical processing, petroleum recovery and refining, metal production and fabrication, aerospace, and fuel cells. The sectors which impose the largest demand for hydrogen are petroleum refinery and ammonia production while automotive fuel is an emerging sector with huge...
    730 Words | 3 Pages
  • Did the Actual Amount of Reactants and the Catalyst in the Decomposition of Hydrogen Peroxide with a Manganese (Iv) Oxide Catalyst Reaction Match Up to the Theoretical Stoichiometric Amounts According to the Balanced Equ
    Looking back at the research question, the actual amount of reactant did not match the theoretical stoichiometric amounts according to the balanced equation, but the amount of catalyst matched the original value when uncertainty is taken into account. The percent yields for the reactants in the equation are very far from 100% yield. In the case of water, the percent yield came out to be meaning there were at least 2 times to 4 times more water than there should be. The percent yield of oxygen...
    694 Words | 2 Pages
  • solubility of organic compounds - 550 Words
    Charles Michael Te Herrera Date Performed: November 18, 2010 2009 – 14077 Ma’am Rea Abuan Experiment # 1 SOLUBILITY OF ORGANIC COMPOUNDS State what types of intermolecular forces are present in solutions formed due to intermolecular attractions between the solute and the solvent. Compound 1 Compound 2 Intermolecular Forces Class S (Water-soluble) Compounds Acetone Water Hydrogen Bonding & London Dispersion Forces Diethyl Ether Dipole –...
    550 Words | 4 Pages
  • Fuel Energizer - 902 Words
    Introduction to the Magnetic Treatment of Fuel By R.J. Kita Hydrogen is the lightest and most basic element known to man. With its simple structure comprised of only one proton and one electron, it is one of the major constituents of all hydrocarbon based fuels. By studying the response of hydrogen with respect to magnetic fields and the accompanying increased energy output, much can be learned and applied to other related fuels. In the oxidation/combustion of hydrocarbon fuels, it is the outer...
    902 Words | 3 Pages
  • chemistry report - 842 Words
     Abstract The separation of a Fe3+ and Ni2+ mixture was firstly investigated; followed by the determination of the Fe3+ and Ni2+ content (concentration) in the original mixture. It was found that iron was a yellow solution and nickel respectively had a greenish colour. Their original concentrations respectively were 0.03669 M for iron and 0.03159 M for nickel. Introduction Ion exchange materials are insoluble substances containing loosely held ions which are to be exchanged with other ions...
    842 Words | 4 Pages
  • Beryllium and Magnesium - 538 Words
    Beryllium and magnesium These are just like the reactions with dilute hydrochloric acid, and you have probably been familiar with the reaction between magnesium and dilute sulphuric acid almost since you started doing chemistry. Bubbles of hydrogen are formed, together with colourless solutions of beryllium or magnesium sulphate. For example: Calcium, strontium and barium Calcium sulphate is sparingly soluble, and you can think of strontium and barium sulphates as being...
    538 Words | 3 Pages
  • cfcf - 464 Words
    Catalytic hydrogenation of graphene films† We developed a novel and facile method to hydrogenate grapheme by using a conditioning upstream of the graphene sample to generate atomic hydrogen Inspired by the elegant idea to create graphane,1there have been some efforts to decorate the graphene lattice with hydrogen atoms to transform it from a highly conductive zero-overlap semimetal into a nonzero gap semiconductor and thus tune its electric properties to suit wider practical applications.234...
    464 Words | 2 Pages
  • Aristo Chemistry Book 3 Answer
    HKDSE CHEMISTRY – A Modern View (Chemistry) Coursebook 3 Suggested answers Chapter 25 Simple molecular substances with non-octet structures and shapes of simple molecules Page Number Class Practice 1 Chapter Exercise 2 Chapter 26 Bond polarity Class Practice 4 Chapter Exercise 5 Chapter 27 Intermolecular forces Class Practice 7 Chapter Exercise 9 Chapter 28 Structures and properties of molecular crystals Class Practice 11 Chapter Exercise 12 Part Exercise 14 Chapter 29 Chemical cells in daily...
    11,264 Words | 61 Pages
  • Stanley L. Miller and Harold C. Urey: Changing the Approach of Scientific Investigation into the Origin of Life
    By the 1950s, scientists were in hot pursuit of the origin of life. Around the world, the scientific community was examining what kind of environment would be needed to allow life to begin. In 1953, Stanley L. Miller and Harold C. Urey, working at the University of Chicago, conducted an experiment which would change the approach of scientific investigation into the origin of life. Miller took molecules which were believed to represent the major components of the early Earth's atmosphere and...
    646 Words | 2 Pages
  • Intro - 818 Words
    Valuable Experience Gained During the Training Period The valuable experience that I gained during the training is when we are in the furnace of the boiler where the combustion takes place. The furnace is a internal parts of the boiler so we are taking the advantage to see what’s inside the boiler. We saw the generating tubes, bunker fuel injector, grates that we need to fix because of mis-alignment of the grates base. Grate is use for de ashing to avoid clogging up of the boiler. The second...
    818 Words | 3 Pages
  • Lewis Acids and Bases - 292 Words
    Lewis Acids and BasesLewis acids and bases play an important role in chemical reactions because, except oxidation-reduction reactions, almost every reaction could be categorized as an acid-base reaction. Bases in water solutions show certain specific characteristics: bitter taste, feel slippery, and turn litmus paper blue. Acids in water solutions show these most common characteristics: sour taste, react with metals, and turn litmus paper red. The understanding of chemical reactions, such as...
    292 Words | 2 Pages
  • compare the IUPAC nomenclature rules for naming acids
    Before we began naming acids and bases we must understand each term. A base is a compound that produces hydroxide ions when dissolved in water. An acid is a compound that produces hydrogen ions in solution is a hydrogen-ion donor, or electron –paired accepter. The name of the acid depends on the ion’s ending and the number of hydrogen atoms must be equal to the negative charge, and the name of a base depends on if it contains OH or hydroxide. The naming of an acid depends on the suffix of the...
    296 Words | 1 Page
  • The Environmental Conditions on Growth - 269 Words
    Methylene blue can act as an artificial hydrogen acceptor; when this dye is reduced by accepting hydrogen atoms it goes colourless. As such, it can be used to guage the rate of respiration by measuring the time taken for it to turn colourless. Methylene blue, acting as a hydrogen acceptor, is decolourized during the respiration of yeast. By measuring the time taken for a fixed amount of the dye to be decolourized, the relative rate of respiration (a catabolic process) can be deduced. Results:...
    269 Words | 1 Page
  • The Artificial Leaf - 959 Words
    Introducing the Latest High Tech Invention…The Leaf General Purpose: To inform Specific Purpose: The purpose of this presentation is to inform the audience of the invention of the Artificial Leaf and its potential applications. Introduction I. Efficient and affordable if not free “green energy” is something sought after by scientists, eco-conscious individuals, organizations, and consumers alike. A. Some of these concepts are already well known. Solar, wind, and water driven...
    959 Words | 3 Pages
  • Copper Cycle - 4543 Words
    The Copper Cycle Most of the background material for this laboratory will be covered in greater detail in the lecture course later in the semester. Here is some background information so you will understand the chemistry behind the reactions you will perform. Many aspects of our lives involve chemical reactions—from the batteries that power our cars and cell phones to the thousands of processes occurring within our bodies. Most of these reactions can be classified into one of three main...
    4,543 Words | 23 Pages
  • Fuel Cell Cars - 871 Words
    FUEL CELL CARS Fuel Cell cars are a major part of the fleet of Zero-Emission Vehicles. The fuel cells are fueled with pure hydrogen and hence they are considered to be zero emission vehicles. Fuel cells have been used on spacecraft for many years to power electric equipment. These are fueled with liquid hydrogen from the spacecraft's rocket fuel tanks. Basic Mechanics Fuel cell vehicles turn hydrogen fuel and oxygen into electricity. The electricity then powers an electric motor, just like...
    871 Words | 3 Pages
  • Chaper 6 rxn Alkenes lecture notes
    CH241 – Lecture Outline Chapter 6: Reactions of Alkenes Carbocations How are carbocations classified? What stabilizes a carbocation and why? What is the Hammond Postulate? How does the stability of the carbocation intermediate effect the number of products and why? What are the three types of carbocation rearrangements and why do they occur? Stereochemistry of Reactions (read 6.14 in 7th edition before class) What are the three ways a reaction can have stereochemistry? (a) What...
    521 Words | 3 Pages
  • A Levels - 1420 Words
    w w ap eP m e tr .X w *6364028069* 9701/05 CHEMISTRY Paper 5 Planning, analysis and evaluation October/November 2007 1 hour 15 minutes Candidates answer on the Question Paper. No Additional Materials are required. READ THESE INSTRUCTIONS FIRST Write your Centre number, candidate number and name on all the work you hand in. Write in dark blue or black pen. You may use a soft pencil for any diagrams, graphs or rough working. Do not use staples, paper clips,...
    1,420 Words | 15 Pages
  • synthesis of alkenes - 902 Words
    Abstract: The purpose of this laboratory is to convert benzophenone to diphenylmethanol. This was done by using sodium borohydride to reduce benzophenone. The product was then crystalized from hexanes then using the melting point and IR testing it was possible to characterize it. The melting point range was… Introduction: This lab is possible because of oxidation and reduction reactions. In organic chemistry oxidation is the loss of electron density around a carbon, while reduction is an...
    902 Words | 3 Pages
  • Reactivity of Metals - 250 Words
    ------------------------------------------------- Reactivity of metals Aim: To compare the reactivity of various metals by observing their reaction with hydrochloric acid Hypothesis: Variables: dependent/ independent Materials: * 2 M hydrochloric acid * Detergent * Test tubes and test tube rack * 0.5cm pieces of magnesium, aluminum, iron, zinc and copper * Steel wool * Ruler * Timer * Bench Mat Procedure: see page 233 of exercise book...
    250 Words | 2 Pages
  • Question - 292 Words
    QUESTIONS 1. (a) Explain the significance of ZnCl2 to acid phosphatase. ZnCl2 is dissociates into Zn2+ ions. Zn2+ ions are cofactors of acid phosphatase. The catalytic activity of the enzyme can enhances Zn2+ binding. Some enzymes are catalytically active without a requirement for additional ions or molecules. In others, activity depends on the presence of a non-protein cofactor. Cofactors fall into two major groups; they are either metal ions or organic compounds. Acid phosphatase...
    292 Words | 1 Page
  • Thermal Pollution - 1294 Words
    Catalysis is an acceleration or retardation of the rate of a chemical reaction, brought about by the addition of a substance (the catalyst ) to the reaction medium. The catalyst, usually present in small amounts, is not consumed in the reaction.Read more: Catalysis and Catalysts - Chemistry Encyclopedia - reaction, water, examples, metal, gas, name, molecule, atom http://www.chemistryexplained.com/Bo-Ce/Catalysis-and-Catalysts.html#ixzz0vWZ6VTAf Catalysis is an acceleration or retardation of...
    1,294 Words | 3 Pages
  • Urey and Miller - 1178 Words
    Preliminary biology assignment task 3 Part A The Urey and Miller was conducted in 1952 and published in 1953 by Stanley miller, under the supervision of Harold Urey at the University of Chicago. It proposed the possible chance of the inorganic material of some of the basic building blocks of life, given that conditions resembled those of the ancient earth. This was the first ever experiment to test Alexander Oparin's and J. B. S. Haldane's hypothesis about the evolution of pre-biotic chemicals...
    1,178 Words | 3 Pages
  • Salcyclic Acid Synthesis Discussion
    IX. Discussion: In this experiment we carried out an organic synthesis with the intent to prepare salicylic acid from methyl salicylate. Our experiment compared the synthesized compound, salicylic acid, from two different substances, wintergreen oil and benzene. We began the experiment by first synthesizing disodium salicylate from the wintergreen oil by heating through reflux using 1.53 grams of methyl salicylate and 15 milliliters of 6M sodium hydroxide. During this process the sodium ions...
    569 Words | 2 Pages
  • Past Paper - 12831 Words
    Edexcel A2 Chemistry Questions and Answers Contents Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Unit 4 Rates, equilibria and further organic chemistry Multiple-choice questions ..............................................................................7 Structured questions . . . . . . . . . . . ....
    12,831 Words | 79 Pages
  • Writing Exercise - 380 Words
    Beauty, Form and Function: An Exploration of Symmetry Writing Exercise – Hydrogen Bond Phase Transition (TRACK 2 ONLY) Writing & Marking Rubric Instructions: 1.Go to Core Study Resources → III Symmetry in Crystals → Downloads and Links. 2.Download the following: a. Yoshida et al., Flexibility of Hydrogen Bond and Lowering of Symmetry in Proton Conductor. Symmetry 4, 507 – 516 (2012). b. Writing and Marking Rubric Scaled to 22 Marks Beauty, Form and Function: An Exploration of...
    380 Words | 4 Pages
  • Surface Chemistry in Nanoscale Materials
    Materials 2009, 2, 2404-2428; doi:10.3390/ma2042404 OPEN ACCESS materials ISSN 1996-1944 www.mdpi.com/journal/materials Review Surface Chemistry in Nanoscale Materials Jürgen Biener 1,*, Arne Wittstock 2, Theodore F. Baumann 1, Jörg Weissmüller 3,4, Marcus Bäumer 2 and Alex V. Hamza 1 1 2 3 4 Nanoscale Synthesis and Characterization Laboratory, Lawrence Livermore National Laboratory, Livermore, USA; E-Mails: baumann2@llnl.gov (T.F.B.); hamza1@llnl.gov (A.V.H.) Institut...
    9,937 Words | 41 Pages
  • Investigating the Reaction Between - 1005 Words
    Calcium Carbonate + Hydrochloric Acid Calcium Carbonate + Water + + Carbon Dioxide CaCO3(s) + 2HC(aq) CaCl(aq) + H2O(l) + CO2(g) The reaction between Hydrochloric Acid and Calcium Carbonate is being investigated because it produces a gas called Carbon Dioxide. This gas can be collected and is therefore a reliable result to base the investigation on. Variable Why...
    1,005 Words | 4 Pages
  • Solubility of Organic Compounds - 550 Words
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