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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Does technology make us dependent ? The old saying goes "too much of a good thing…" (cato) Technology has spread extravagantly over the course of the past 10 years . Before that ‚ there was no wireless ‚ personal computers ‚ mobile phones‚ iphones . Technology has become so integrated into people ’s daily lives that it has made them dependent. They are no longer able to live happily ‚ do tasks efficiently or communicate with each other ‚ or even think for themselves without it . -Supporters
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Runaway Alarm Clock António Silva | 152113211 Mariana Marques | 152113216 Mariana Paiva | 152113049 Sebastian Botero | 152113380 Professor Kyryl Lakishyk Index Executive Summary .......................................................................................................... 3 Analysis of the Clocky’s
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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 medicine. The
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Literary Analysis “A man never cries” is a popular proverb told to children all around the world. In the two texts‚ Stop the Sun by Gary Paulsen‚ and “A Man Never Cries” by José Craveirinha‚ the issue of crying is addressed. In Stop the Sun‚ a young boy called Terry is introduced. Terry gets very embarrassed as his dad throws a tantrum. Then he realises why. “A Man Never Cries” expresses a childhood of bravery then it advances to the current in which he realises he can cry. Stop the Sun is an innovative
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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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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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Stop Glorifying “Busy” Tony Pashigian Vice President‚ Detroit Manufacturing Systems LLC. People wear “busy” like a badge of honor. It seems to get worse as technology continues to offer more ways to receive assignments and more ways to perform tasks simultaneously‚ or “multitasking”. People have lost a sense of the necessity to accomplish and‚ instead‚ amass huge task lists that occupy every minute of their busy days. The fact of the matter is that results are the only legal tender in the business
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An investigation on the activation energy for the iodine clock reaction Introduction: The iodine clock reaction is a presentation of chemical kinetics‚ which are the elements that affect the rate of chemical reactions. When the two colorless solutions are incorporated together‚ no reaction can be spotted. But after a short period of time‚ the solution turns into a dark blue solution. The term rate of reaction is stated as the decrease in the concentration of one of the reactions or the increase
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which non-rational or magical phenomena play a significant part’ (Manlove‚ 1975‚ 1). Following this definition‚ The Cuckoo clock would be classified as a fantasy by several elements in the story. To begin with‚ the story is based on the classic idea of a child communicating with animals or objects. In this case‚ that object would be the wooden cuckoo coming out of the clock. This idea itself is quite a common subject matter for children’s literature. For example in Little Princess‚ the little girl
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