at different pHs Abstract These experiments aimed to determine the optimum pH ranges various buffers are effective and provide opportunity for the use of the Henderson-Hasselbalch equation to prepare a buffer of a specific pH. Three different buffer systems were initially investigated; volumes of weak acid and weak bases of specified concentration were prepared and titrated against strong acid or strong base solutions with pH readings taken at frequent intervals to determine pH ranges over which
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6 Things That Happen To Your Body Postpartum You’ve done your fair share of obsessive research and know what you’re getting yourself and your hooha into and it’s all worth it because baby will be here soon! Here’s the next chapter- the postpartum phase- the kind of stuff nobody talks about because‚ well‚ it’s pretty scarring and and a little gross. 1. Stitches Down Under: You may already know that episiotomies aren’t a routine procedure‚ but even if you aren’t the receiver of an incision you might
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pH and Chromatography Lab Report Kevin Rivera Biology Mr. Langley 2C 10/7/13 Introduction In this lab‚ of pH and Chromatography‚ in the pH aspect of the lab we are trying to figure out the pH level of certain chemicals by writing down of known solutions to find the type of unkown solution using pH standards. In the Chromatography‚ we are trying to separate the chemicals using water and a piece of paper. Methodology Materials: Safety Goggles pH indicator & pH indicator key
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the world’s economy from a globalist’s point of view. China‚ as a growing world power‚ has a significant impact on the global economy. An eventual downturn of its market will lead to dramatic consequences for the economy on national and world-wide level. As the country with the highest IT goods export rate‚ its failure will lead the global community to a larger poverty gap‚ less investment‚ less technology: a stagnant economy. Due to its mixture of cheap labour‚ low living standard‚ undervalued currency
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Overlord‚ better known as D-Day‚ was the invasion of Normandy by Allied Forces. Both sides suffered major casualties during the battle with the allies and Germans totalling around 425 000 ( “D-Day Casualties”). Now we should ask the question why did D-Day happen? If we look through all perspectives it’s obvious that the invasion of Normandy was imperative to the allies victory. That’s why the reason for D-Day was to sway the war towards the allies. At this time the Germans seemed to be ahead in the war
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In this essay I am going to explore what happens in the book of Exodus in the Old Testament. I will also go on to further explain why this event is so significant for the Jewish people. This helps to explain why what happened in Exodus is still remembered and celebrated by those of Jewish faith today all over the world and why it is described as the most significant event in Jewish history. In an introduction to Christian theology‚ Towey discusses the importance of the Exodus “The subsequent account
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A pH meter is an electronic instrument used to measure the pH (acidity or alkalinity) of a liquid (though special probes are sometimes used to measure the pH of semi-solid substances). A typical pH meter consists of a special measuring probe (a glass electrode) connected to an electronic meter that measures and displays the pH reading. The probe The pH probe measures pH as the activity of hydrogen ions surrounding a thin-walled glass bulb at its tip. The probe produces a small voltage (about 0
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situations and have explained us the science of resuscitation – what happens when we die? Resuscitation medicine is now capable of reviving people after their heart has stopped beating and their brain has flat-lined – objectively died. Patients have described their experience of that period – going beyond the verge of death‚ entering the domain for first few minutes or few hours of time – before they are resuscitated. It provides us indications of what we are all likely to experience when we go through death
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battle ever fought in North America. Why did the Battle of Gettysburg happen? Two months foregoing the battle‚ General Lee had an impressive defeat against the Army of the Potomac at Chancellorsville‚ Virginia. He then started planning for a Northern invasion by first taking action on the Yankees. His army was at the time 80‚000 soldiers! With the army of the Potomac Commander Joseph Hooker and leading about 10‚000 soldiers he began moving towards General Lee by Washington D.C. Abraham Lincoln got
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Whatever Happens‚ Happens for the Best Once upon a time there was an old man called Bob‚ who lived alone in a village. He would go about his business alone‚ even in his old age. He was a nice‚ friendly man who was liked by all the people in the village. Bob had only one son and he moved to a school far away from the village. Many people in the village always felt sorry for Bob‚ they knew he must be lonely. The villagers would always ask Bob if his son would ever return. To all of them‚ Bob would
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