Investigating the effects of changing concentration: iodine clock reaction. Abstract This is an experiment to show the Iodine Clock Reaction. To create a chemical reaction to see how long it takes for solution to change to a dark blue Color. When changing the concentration of the iodide (K1) and adding distill water to make it up to 5cm³ each time. This is to see if the reaction takes less with less concentration or faster with more concentration added to the peroxodisulphatee. So with the solution
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Introduction Genetics is the science that explains the variation and transmission of inherited characteristics from parents to offspring. The basic laws of heredity became popular to science in 1865‚ with the publication of the works of Gregor Mendel‚ the father of genetics. He observed that by breeding pairs of different varieties of peas‚ the offspring resembled one of the parents. This inspired him to continue his work that resulted to more experiments on plants. Before starting this exercise
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DIFFERENT RELATIONSHIPS THAT CONCENTRATION AND TEMPERATURE HAVE ON THE RATE OF REACTION Aim To study the effect that temperature and concentration of iodide ion solution have on the rate of iodide ion I⁻ oxidation by peroxodisulphate ion S₂O₈⁻‚ creating an iodine clock reaction. Introduction I decided to choose as the topic for my investigation the rate of reaction for its vital importance in the human body. Indeed I am really interested in Biology and especially physiology and I would like to study
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Analysis “The Ormolu Clock” is a short story written by Muriel Spark‚ who is considered to be one of the 50 greatest British writers since 1945. Dame Muriel is a poet‚ writer of fiction and literary criticism‚ and biographer – went on to win most of the literary awards going‚ was never out of print‚ and was at the top of her profession‚ internationally‚ for more than half a century. The story under discussion begins with the description of two hotels standing side by side and separated by a
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Deprivation In More Working Parents Play “Beat the Clock‚” the author‚ Gardner‚ challenges that because work is so time consuming‚ one becomes deprived of quality time with the family. She aims her point that the deprivation causes one to face the underlaying problems pertaining to one’s family and to one’s own health. According to Gardner‚ the ones who have a profession tend to loose the valuable sentimental moments in their lives‚ specifically with their families. She believes that work consumes
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Rabi‚ a physics professor at Columbia University‚ suggests a clock could be made from a technique he developed in the 1930’s called atomic beam magnetic resonance. 1949 Using Rabi’s technique‚ NIST (then the National Bureau of Standards) announces the world’s first atomic clock using the ammonia molecule as the source of vibrations. 1952 NIST announces the first atomic clock using cesium atoms as the vibration source. This clock is named NBS-1. 1954 NBS-1 is moved to NIST’s new laboratories
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"The Shield of Achilles" is a poem by W. H. Auden first published in 1952. The Shield of Achilles is also the title poem of a collection of poems by Auden‚ published in 1955. Description The poem is Auden’s response to the detailed description in Homer’s epic poem the Iliad of the shield borne by the hero Achilles‚ illustrated with scenes from daily life. Auden’s poem is written in two different stanza forms‚ one form with shorter lines‚ the other with longer lines. The stanzas with shorter
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Death Clock: Stimulus B. In Greenview the Howth clock stood over the town like a guardian. ‘TICK TOCK TICK TOCK’ it went as it counted the hours‚ minutes and seconds of every day. On the outskirts was the Greenview forest which contained all the memories of our childhood‚ building forts and playing hide and go seek. On the other side of town led to the crusty salty ocean coast which cooled our hot sweaty bodies after a fun afternoon out exploring the forest. This was what life like was before…
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MONROE CLOCK COMPANY * Issue: Jim Monroe‚ president of Monroe Clock Company‚ decided to sell a new household timing device. And this complete product would have to be sold through wholesalers and manufacturers’ representatives‚ which were new to Monroe Clock‚ so the price will be an important factor. Jim’s controller‚ Tom‚ had provided figures showing a full cost of $11.60 and factory price of $14.70‚ and Frank Tyler‚ his sales manager‚ had worked out a cost of $6.30 excluding fixed overhead
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The Worst Day The alarm clock rang. I slowly turned over to look at the clock‚ 7:35. What 7:35! I jumped out of bed as fast as I could. How long was it going off for? Why did I not wake up? I had so many questions going through my head‚ but I only had 10 minutes to hurry up and get ready. Hair‚ teeth‚ makeup‚ and soccer gear that’s everything I thought to myself. At the exact moment I heard the loud squealing of the buses brakes. I took off running as fast as I could through the neighbor’s yard
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