and (in theory) allows them to be separated from one another. Column chromatography is a technique routinely used by organic chemists to separate sometimes complicated mixtures of compounds. For example‚ a chemical reaction may produce more than one compound and the products must be separated. In other instances‚ if a reaction does not go to completion‚ i.e. the starting materials do not react completely‚ then leftover reactants must be separated from the products of interest. Column chromatography
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Literary analysis of an unseen extract: how does the author engage the reader through the use of literary devices in your given extract? The first line " In the middle of nowhere..." grabs the readers attention because it gets the reader wondering why this person is in the middle of nowhere‚ It gives the reader something to think about creating different feeling and emotions towards the reader. As you begin to read on you are given the weathers description "left behind its feeble breezes‚ but the
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Compare Ralph and Jack’s actions and feelings in this extract. This extract is taken from the part when Ralph and Jack are leading the investigation to find out what is on top of the mountain and it follows the unsuccessful hunt when Ralph nearly stabbed a pig. The boys re-enact the hunt with Robert as the pig. At first Ralph sees this as a game as he “entered into the play” whereas the other boys‚ led by Jack‚ soon become carried away inflicting “real pain” on Robert. Golding calls the event
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Pat Smith is a writing instructor who composed a piece called “Laugh Baby Laugh‚ Cry Baby Cry”. The article is about the 2010 BP oil spill and claims that chanting is what big businesses use to control everyday people. To support this claim‚ Smith writes about the 2008 National Republican Convention‚ and how the leaders like Sarah Palin and Rudy Guiliani were chanting in support of BP drilling in the Gulf Coast. However‚ this is her only referable evidence she uses. Any other piece of evidence that
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The importance of certain cultural values and way people though during the time is reflected in Malory’s Morte d’Arthur: Sword in the Stone extract. The representation of kingship and its importance in medieval England is shown through both the divine right of kings and the dominant region of the time‚ Christianity and its traditions and value. These two factors of Medieval England life is what influenced politics and leadership of the feudal society of this time. 15th Century English society based
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The text under interpretation is the extract from Virginia Woolf’s novel “Mrs Dallaway”. Virginia Woolf was born in london at the end of the 19th century‚ her life wasn’t easy as she lost almost all her family. That caused her several breakdowns and through her works one can see her poor mental state. In some of her novels she moves away from the use of plot and structure to employ stream-of-consciousness to emphasize the psychological aspects of her characters. Themes in her works include gender
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Scientific studies on the medicinal properties of guava leaf began in earnest in the 1940’s. According to Xavier Lozoya‚ who has published numerous papers on guava leaf extract‚ “reports maintain a tradition of repeating the [same] data each decade‚ ignoring already published observations. Thus‚ three main tracks are followed for validation of the curative properties of guava leaves: a) the anti-microbial capacity…confirming its growth-inhibiting effect particularly on Staphylococcus aureus‚ Escherichia
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The Analysis of an Extract of “The Fisherman and His Soul” by Oscar Wilde “The Fisherman and His Soul” is a fairytale written by Oscar Wilde and published in 1888. Written in Biblical dictation it tells a story of a Fisherman who falls in love in a Mermaid‚ but he is given a choice: soul or his love. The Fisherman chooses the latter. As a proper fairytale‚ it joins two worlds together: real and fantasy world and conveys the massage of overpowering and ever-sacrificing love. Oscar Wilde shows
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Colonial Experiment 1788 – 1918 Assignment 1 - Review In the extract ‘Convicts‚ jailers and colonists’ 1779-1821 from the book ‚ Sources of Australian History(1971)‚ the Author Manning Clark uses the primary resource from Lord Sydney to the lords and commissioners of the treasury in 1786 to support the text which discusses the problem of overcrowded jails in England and the proposal for a convict colony in Australia in 1784 – 1786. The primary resource is a dispatch that was spoken by Lord
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How successful has the regeneration of urban areas been‚ given the variety of ways in which it has been undertaken? (40 Marks) Urban decline is the decline of the inner city often caused by lack of investment and maintenance. Characteristics of urban decline include poor quality housing that are overcrowded‚ empty buildings/factories‚ derelict land where building used to be and high levels of air‚ noise‚ land and water pollution. Other characteristics include high unemployment rates‚ high crime rates
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