Copper Sulphate Calibration Aim The objective of this experiment is to determine the unknown concentrations of solutions. Introduction With the use of absorption of light a spectrophotometer sends UV wavelengths through solutions to determine their concentrations. The light absorbed is measured as the atoms‚ molecules and ions absorb the wavelengths of light that the spectrophotometer gives off (Meah‚2013). The level of light transmitted defines the amount of light absorbed‚ for instance‚ the lower
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1.) The only difference between the wild type and mutant sequence is a point mutation at gene 1755‚ where a guanine is replaced with an adenine. 2.) a.) Wild Type Protein Transcription: MQPTGNQIQQNQQQQQQLIMRVPKQEVSVSGAARRYVQQAPPNRPPRQNHQNGAIGGKKS SVTIQEVPNNAYLETLNKSGNNKVDDDKLPVFLIKLWNIVEDPNLQSIVHWDDSGASFHI SDPYLFGRNVLPHFFKHNNMNSMVRQLNMYGFRKMTPLSQGGLTRTESDQDHLEFSHPCF VQGRPELLSQIKRKQSARTVEDKQVNEQTQQNLEVVMAEMRAMREKAKNMEDKMNKLTKE NRDMWTQMGSMRQQHARQQQYFKKLLHFLVSVMQPGLSKRVAKRGVLEIDFCAANGTAGP
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Department of Chemistry Physical and Chemical Properties Submitted by Date Submitted: February 2‚ 2014 Date Performed: January 31‚ 2014 Lab Section: Chem-180 Course Instructor: Professor Spenser Purpose The purpose of this lab experiment is to observe physical and chemical properties of substances which
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he terms “chemical accident” or “chemical incident” refer to an event resulting in the release of a substance or substances hazardous to human health and/or the environment in the short or long term. Such events include fires‚ explosions‚ leakages or releases of toxic or hazardous materials that can cause people illness‚ injury‚ disability or death. While chemical accidents may occur whenever toxic materials are stored‚ transported or used‚ the most severe accidents are industrial accidents‚ involving
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In the novel Copper Sun the viewpoints were taken from a 15-year-old slave girl named Amari‚ and a 17-year-old indentured servant Polly‚ Copper Sun is a story of the struggles in the face of human beings during slave times and a hope for freedom against all odds and circumstances. In the novel the AOI that it is portrayed is the area of Health and social education. I chose this AOI because both Amari and Polly had to adapt to their new surroundings and they also had to learn the routes around the
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and nothing more. At night if you were female you got raped often. If you were a male you worked in the rice fields‚ with the alligators and the snakes and if you ever disobeyed or did something incorrect you were wiped and beaten. In the book the copper sun Amari the female protagonist‚ goes through these hardships and has to find some reason to live and fight for her freedom. Amari shows traits of perseverance‚ bravery and strength. But still through all of these things she fights to be free.
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Element: Simplest form of matter to have unique chemical properties. Atom: The smallest particles with unique chemical identities. Nucleus: Center of an atom (composed of protons and neutrons). Proton: Have a single positive charge (+1). Neutron: Have no charge. Electron: Tiny particles with a single negative charge and very low mass (-1)/determines chemical bonding properties of an atom. Atomic Number: Number of protons in the nucleus. Atomic Mass: Approximate number of protons and neutrons
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heat of summer‚ and the fading glow at dusk. The next element I will discuss is cerium. (The only reason I am doing this one is because it is use in flint and steel strikers to make FIRE‚ and I love fire). On earth‚ cerium is almost as abundant as copper and is very inexpensive. It is mainly use in the form of cerium oxide which is use for grinding and polishing glass. Another use for it is in flint and steel strikers and lighter flints. When you scrape in with a sharp piece of steel‚ the shavings
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ZINN CHAPTER 1 - STUDY QUESTIONS 1. According to Zinn‚ what is his main purpose for writing A People’s History of the United States? 2. What is Zinn’s thesis for pages 1-11? 3. According to Zinn‚ how is Columbus portrayed in traditional history books? 4. Why does Zinn dispute Henry Kissinger’s statement: “History is the memory of states?” 5. What is Zinn’s basic criticism of historian Samuel Eliot Morison’s book‚ Christopher Columbus‚ Mariner? 6. What major issues does Bartolome
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an object. An example of a physical property of an object would be the color‚ mass‚ solubility‚ volume‚ or the polarity of an object. A physical property can change the appearance of an object‚ but that does not mean that the chemical composition has to change. The chemical composition can remain the same. Physical properties are separated into two different categories. They are separated in to intrinsic properties and extrinsic properties. Extrinsic properties rely on the amount of material
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