Free Relative Atomic Mass Essays and Papers

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Free Relative Atomic Mass Essays and Papers

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    Investigating the Relative Atomic Mass of Lithium Background information I’m going to produce a piece of coursework, which determine the relative atomic mass of lithium. Two methods are going to be used to approximate the relative atomic mass of lithium. 1) In the first method the RAM (Relative atomic mass) of lithium is determined by the Volume of hydrogen gas produced. 2) In the second method the RAM of lithium is determined by titrating the lithium hydroxide produced. To

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    Determination of the Relative Atomic Mass of Calcium In this experiment, I will determine the relative atomic mass of calcium by two different methods. v By measuring the volume of hydrogen produced. v By titrating the lithium hydroxide produced. Method 1 -------- [IMAGE] v 0.10g of calcium used. v 100cm3 of distilled water used. Results Method 1 Mass of Calcium (g) Total volume of gas produced (cm3) 0.10 37 v Starting point of water in cylinder =

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    Determining the Relative Atomic Mass of Lithium An experiment has been carried out to determine the relative atomic mass of Lithium by using two different types of methods The first method that was carried out was to determine the volume of Hydrogen produced. In this experiment a fixed amount of Lithium was used, in my case it was 0.11g. At the end of this experiment, the volume of Hydrogen gas I collected was 185cm³. Then using the solution of lithium hydroxide made from experiment

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    Determination of Relative Atomic Mass of Lithium Evaluation: In general the accuracy of the experiments was good. However with practice, the accuracy could be improved; accuracy being how close the results are to the real answer. I think I have carried pit the experiment as well as I possibly could at the time with the given conditions and time period allowed. I have gained precise results from the practical. However, looking back at the analysis section, the relative atomic mass values I found

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    Investigation to Determine the Relative Atomic Mass of Lithium Introduction My aim of this experiment will be to determine the R.A.M using two separate methods In the first method I will dissolve a piece of lithium of a known mass in water, I will then collect the hydrogen gas produced, which can be used to calculate the relative atomic mass of Lithium. The balanced equation of our reaction is shown below; [IMAGE]2Li + 2H2O 2LiOH + H2 In the second method I will do a titration

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    The Structure of the Atom

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    [IMAGE] Basic Atomic Particles : Atoms are made up of the following particles : Protons : Protons are positively charged particles with a mass of one atomic mass unit. They are found in the nucleus at the centre of the atom structure. Neutrons : Neutrons are not charged and have a mass of one atomic mass unit. They are found, with protons at the centre of the atom. Electrons : Electrons are negatively charged particles with a mass of 1/1846th of an atomic mass unit. They are arranged

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    suggesting that the mass of an atom was it's most important property. In the nineteenth century Johann Döbereiner was the first to attempt to classify elements using their relative atomic mass. He also identified a number of ‘triads’ in the list of elements then known. Each triad was a set of 3 elements that have similar properties (e.g. Cl, Br and I; Ca Sr and Ba). In 1863, John Newlands noted that when the known elements were written in order of increasing relative atomic mass, every eighth

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    Scientific Principles

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    positive charge, electrons have a negative charge while neutrons are neutral and carry no charge. The only similarities, which 2 of the particles have, are protons and neutrons and their mass is equal to the mass of an atom of hydrogen. While scientifically we call this mass one atomic mass unit. The mass of an atom depends on the amount of protons and neutrons the atom contains and the arrangement of particles within the atom. The arrangement of the particles within an atom depend on how

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    grahams gas law

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    GAS LAWS KINETIC ENERGY/ GRAHAM’S LAW LAB Purpose: To observe how masses of atoms and molecules affect their rate of diffusion, and explain our observations in terms of mass, velocity, kinetic energy and temperature. Warm-up Question: 1.     What is the definition of temperature? Temperature is a measure of the average Kinetic Energy of the particles composing a material. 2.     What is the definition of diffusion? Diffusion is a spontaneous spreading of particles until they

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    Radon Gas Testing

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    its physical properties, its geographic distribution and origin, its health impacts and social costs, as well as directions for taking radon measurements. Where does radon come from? Radon gas forms when radium-226 (the number refers to the atomic mass of this particular form of radium) in soil and rocks decays radioactively. When an element, such as radium, decays it changes form, i.e., becomes a new atom, and releases energy in the form of light or fast moving particles which can be harmful

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