Therefore‚ using this method‚ I can take the root of this equation to be x = 0.680765‚ which is similar to the answer I got when finding the same root using the “Rearrangement method”. I will now use the Newton-Raphson method to find the same root for this function. 0=x5+4x2-2 f’(x) = 5x4+8x The iterative formula for the Newton-Raphson method is: xn+1=xn- f(xn) f’(xn) So my iterative formula is:
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The Grignard Synthesis of Triphenylmethanol Abstract: Grignard synthesis of triphenylmethanol was achieved by use of the Grignard reagent phenyl magesium brominde. The organometallic grignard reagent was synthesized by use of a reflux apparatus recrystallization techniques. Once synthesized it was used in a Grignard reaction that involved nucleophilic addition to a carbonyl in order to make triphenylmethanol. The final product was solidified and recrystallized and spectral data was
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light did not make the eyes automatically blink. So‚ the blue light goes straight into retina without filter anymore. The wavelength of light produced is 400-500nm and hence‚ potentially triggering the formation of free radicals and injuring the photochemistry in the retina of children’s eyes. Ten years later when the children were adults‚ the damage caused by blue light looks very clear. Retina of the eye is no longer as healthy as childhood so the function ability become decreased. Therefore‚ watching
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Lily Anderson October 12‚ 2017 Annotated Bibliographhy ANNOTATED BIBLIOGRAPHY Nityanand Maddodi‚ Vijayasaradhi Setaluri. (2008). Role of UV in Cutaneous Melanoma? Photochemistry and Photobiology‚ Volume 84. Retrieved from http://onlinelibrary.wiley.com/store/10.1111/j.1751-1097.2007.00283.x/asset/j.1751-1097.2007.00283.x.pdf?v=1&t=j8m4afur&s=5e52bd2e032f2968cdfbb971a8ce613cddef1b0f This article discusses the role of melanin in your skin and the harmful effects that UV exposure has on it. UV radiation
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Bonne Bell Liquid Lip Smacker - Strawberry The new lip gloss by Bonne Bell treats your lips with your favorite flavors in a clear‚ high-shine gloss! Smooth-on gloss moisturizes with Vitamin E and Aloe and leaves lips super shiny! The sensations felt with the strawberry lip smacker made by the Bonne Bell Company is a fun‚ yet fabulous feeling compared to no other. This lip gloss is a must have. It also adds a beautiful shine on your lips and it is very cheap! The prices may vary according to the
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GILBERT NEWTON LEWIS passed away on March 23‚ 1946 in Berkeley‚ California in his laboratory at the University of California when he was working on an experiment with liquid hydrogen cyanide‚ and deadly fumes from a broken line had leaked into the laboratory causing him to have a heart attack‚ at the age of 70. Lewis was born on October 23‚ 1875 in Weymouth‚ Massachusetts. He was educated at home by his parents. He learned how to read at a very young age and was well educated until age thirteen when
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Chemical Reaction is a process that involves rearrangement of the molecular or ionic structure of a substance‚ as opposed to a change in physical form or a nuclear reaction. Reactant is a substance participating in a chemical reaction‚ especially a directly reacting substance present at the initiation of the reaction. A word equation is an equation where only the words of the products and reactants are given. It is used to describe chemical reactions using words. A skeletal equation is a chemical
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Mechanism for coupling reactions In this experiment‚ a Grignard reagent was prepared and reacted with benzophenone to synthesize triphenylmethanol‚ a tertiary alcohol (Figure 4). The Grignard reagent was prepared with dry magnesium turnings‚ bromobenzene and anhydrous ether. To isolate the alcohol‚ dilute acid was used to convert the magnesium salt to free
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What is Chemistry? Chemistry is the study of matter and energy and the interactions between them. This is also the definition for physics‚ by the way. Chemistry and physics are specializations of physical science. Chemistry tends to focus on the properties of substances and the interactions between different types of matter‚ particularly reactions that involve electrons. Physics tends to focus more on the nuclear part of the atom‚ as well as the subatomic realm. Really‚ they are two sides of the
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phosphorylation & oxidative phosphorylation(from cellular respiration)‚ even photophosphorylation(from photosnthesis). The photosnthetic process involves many fields of science. The fields the process is involved in are Photobiology (in the branch of Photochemistry)‚ Plant biology‚ & Quantum Physics. There are many scientists who studied photosynthesis by doing certain experiments‚ here are a few examples. Jan Baptista van Helmont‚ a Flemish chemist & physicist‚ grew a willow tree in 5 years. Joseph Priestly
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