Question 1: You have carried out an investigation into the pigments that make up chlorophyll. Use the chromatogram you obtained when carrying out this investigation. Clearly explain the separation technique of paper chromatography in terms of partition. Calculate the Rf value of one of the constituent pigments and compare it to the book value. A paper chromatography was used to separate the pigments that make up chlorophyll to analyse‚ identify‚ and quantify the components‚ using paper (stationary
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chance to work regarding Detergent. A detergent is an agent used for cleaning. Detergents are synthetic surfactants‚ which is produced from petrochemicals rather than fatty acids and oils. They are very effective in hard‚ soft as well as salt water. Detergents are the salts of long chain of hydrocarbons such as alkyl sulphates. A detergent has several advantages over soaps in which we can see in the following topics. Detergents are commonly said to be synthetic detergents because it is produced
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Appreciation on The Tide Rises‚ The Tide Falls The Tide Rises‚ the Tide Falls is one of the famous poems of Henry Wadsworth Longfellow‚ an American poet of the 19th century. This poet is created in the author’s seventies. Thus‚ there is something of symbolism in the lines‚ but this essay would focus on the relation between the pattern and the idea of the poem. The whole poem has 3 stanzas. The first two stanzas follow the same end rhyme of aabba‚ while the third stanza is in a rhyme of aacca. Generally
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contemplating an attractive leadership position in China when he received a phone call from the head of Unilever’s Home Care division in Brazil‚ his native country. Robert Davidson was looking for someone to explore growth OPPOrtunillCS in the marketing of detergents to low-mcome consumers Iivmg in the Northeast of Brazil. An alumnus of INSEAD’s Advanced
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-CaCL2: .2mL level -Trisodium: .2mL level Detergent: DI: 2.6mL level CaCl2: 3.8mL level The results of the soap tests indicate an unsuccessful synthesis of soap. Minimal amount of foam was observed from any the tests. It was expected that foam would be presents in DI water‚ but decreased in CaCl2 or Trisodium because it makes the water a “hard water” and causes the soap precipitate‚ make it ineffective. As seen from the results‚ the synthesized detergent is effective in both soft (DI) and hard
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Developing Multi-Channel Strategy Dr Stan Maklan and Dr Hugh Wilson Cranfield Customer Management Forum in collaboration with IBM Business Consulting Services Contents A strategic approach to channels ......................................................... 1 Process overview..................................................................................... 2 Step 1 Identify problems and opportunities............................................ 4 Cost reduction.......................
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it. Their poems Break‚ Break‚ Break (Tennyson)‚ and The Tide Rises‚ the Tide Falls (Longfellow) use repetition and loaded words to convey the theme of accepting death in order to truly live. The writers are able to convey their theme through their symbolical/metaphorical use of the sea. In The Tide Rises‚ the Tide Falls‚ Longfellow uses the sea to represent nature’s consistency. The poem begins and ends with the words‚ “the tide rises‚ the tide falls.” These words are present in each stanza and show
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Name: Jesseli Anne Gutierrez III-B Agustin Gutierrez Memorial Academy I. Introduction A. The Tide Rises‚ The Tide Falls B. Henry Wadsworth C. There was a tide that time when a traveller chose to go along the shore and suddenly died. That just explained that life continues after death. D. In the poem “The Tide Rises‚ The Tide Falls”‚ Henry Wadsworth‚ the author uses alliteration in almost every verse of the poem. He also uses imagery as he described the footprints that remained in the
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Europe and the first notable group to break the chain was the Fireside Poets. This group was made up of four famous poets and their most famous poems have a common theme: death. The poems in question are Longfellow’s “ A Psalm of Life” and “ The Tide Rises‚ The Tide Falls” and Lowell’s “ The First Snowfall”. Each is about death and the different ways of viewing a common occurrence in nature. “ A Psalm of Life” represents death as an end to life not a goal. During this time period‚ many wasted their lives
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Author: Henry Wadsworth Longfellow Story: The Tide Rises‚ the Tide Falls/The Cross of Snow Members: Ryan Shaffer‚ Derek Erhahon‚ Xavier Brown 1. Writer’s Background: 2. The Writer’s other works: It seems that Longfellow had a way of seeing life as a beautiful work of art and it that sometimes it could be mysterious. As Longfellow says in the Psalm of life “Tell me not‚ in mournful numbers‚ Life is but an empty dream”. As he also so in A Shadow “ To read the rest of their
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