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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Matt Ficke Dr. Megan Gannon English 151 9/27/2012 Tide vs. Arm & Hammer Washing laundry has been a part of everyday people’s lives for a very long time. However‚ what people are struggling with now is what soap to use. In todays world the top leading companies in laundry detergent are Tide and Arm & Hammer. The laundry business is a long term industry with roots tracing back before the invention of washing machines. Both of these products have been around
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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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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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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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oap and detergent‚ soap [Credit: © Photos.com/Thinkstock]substances that‚ when dissolved in water‚ possess the ability to remove dirt from surfaces such as the human skin‚ textiles‚ and other solids. The seemingly simple process of cleaning a soiled surface is‚ in fact‚ complex and consists of the following physical-chemical steps: Wetting of the surface and‚ in the case of textiles‚ penetration of the fibre structure by wash liquor containing the detergent. Detergents (and other surface-active
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contrasts. The first is “The Tide Rises‚ the Tide Falls” by Henry Longfellow and the second is “Before I could not stop for Death” by Emily Dickinson. In “The Tide Rises‚ the Tide Falls‚” the poem has a narrative of a traveler who enters a quiet town from the sea and never returns. It is never stated directly that the traveler has died‚ but the following lines could imply it; “The day returns‚ but nevermore Returns the traveller to the shore‚ And the tide rises‚ the tide falls.” Either way‚ despite
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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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Tide has been cleaning America’s laundry for over 70 years and‚ in 2012 Tide released their newest form of detergent‚ Tide PODS. Tide PODS are tiny square-like packets of detergent that brighten‚ clean‚ and remove stain. One of Tide’s newest commercials features Olympic gymnast Simone Biles. This commercial has received over two million views. The advertisement‚ “Simone Biles and Small Powerful Tide PODS”‚ is ultimately ineffective in convincing consumers to buy Tide PODS because its endorsement
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