w w ap eP m e tr .X w om .c s er UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS General Certificate of Education Advanced Subsidiary Level and Advanced Level *8712516860* CHEMISTRY 9701/36 Advanced Practical Skills 2 October/November 2012 2 hours Candidates answer on the Question Paper. Additional Materials: As listed in the Confidential Instructions READ THESE INSTRUCTIONS FIRST Write your Centre number‚ candidate number and name on all the
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attractive‚ she is hesitant about looking into the mirror but realizes that she needs the truth‚ even if it is hurtful. This shows that the mirror is a metaphor for the truth. Some lines that help show this are “I have no preconceptions./ Whatever I see I swallow immediately/ Just as it is‚ unmisted by love or dislike./ I am not cruel‚ only truthful” (lines 1-4). In the first line‚ the mirror is saying that it doesn’t discriminate against anyone‚ it doesn’t care what anyone looks like. The second line says
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Part One (Flame Test): 1. Create and complete a data table for Part One of the lab. It should include the name of the element (or unknown) examined and the color of the observed flame Solution Name Color description 1 Barium Lime green 2 Calcium Red 3 Sodium Yellow 4 Rubidium Purple 5 6 Potassium Lithium Blue Pink Unknown 1 Sodium Yellow Unknown 2 Potassium Blue 2. Identify each unknown from Part One of the lab and briefly explain why you identified each unknown as you did. Unknown 1 was sodium
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Part One (Flame Test) 1. Create and complete a data table for Part One of the lab. It should include the name of the element (or unknown) examined and the color of the observed flame. Solutions Names Known 1 Barium Known 2 Calcium Known 3 Sodium Known 4 Rubidium Known 5 Potassium Known 6 Lithium Unknown 1 Sodium Unknown 2 Potassium 2. Identify each unknown from Part One of the lab and briefly explain why you identified each unknown as you did. The first unknown from part one from this virtual lab
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was formed through the synthesis of aluminum foil proving that this experiment worked. More time spent in lab‚ more careful measurements‚ and the elimination of impurities would have dictated a more precise yield. A cloudy participate was made when barium chloride was added to alum and the test indicates the presence of SO42- in the form of BaSO4. A purple flame was produced when alum was placed over the Bunsen burner on the tip of a burn stick. This indicates the wavelength of alum is approximately
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newts born in water‚ adult lives on land (~ water); feet often webbed larva herbivorous+gills adult carnivorous+lungs thin‚ secretes mucus many breathe through it sensitive to pollutants frog tongue has sticky end to catch food; eyes drop down to swallow 3 chambered heart aquatic ~ gills & skin land ~ lungs & skin frogs & toads have long hind limbs for jumping external fertilization frog - amplexus tadpole metamorphosis Integument placoid scales (tooth-like) like sandpaper (no overlap) lateral
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B Summer is come‚ for every spray now springs‚ C The hart hath hung his old head on the pale; D The buck in brake his winter coat he flings; C The fishes flete with new repaired scale; D The adder all her slough away she slings; E The swift swallow pursueth the flyes smale; F The busy bee her honey now she mings‚ E Winter is worn that was the flowers’ bale. F And thus I see among these pleasant things G Each care decays‚ and yet my sorrow springs. G It is a sonnet called The Soote
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Poetry Analysis/ Discussion Mirror I am silver and exact. I have no preconceptions. Whatever I see I swallow immediately Just as it is‚ unmisted by love or dislike. I am not cruel‚ only truthful- The eye of the little god‚ four cornered. Most of the time I meditate on the opposite wall. It is pink‚ with speckles. I have looked at it so long I think it is a part of my heart. But it flickers. Faces and darkness separate us over and over. Now I am a lake. A woman bends over me‚ Searching my reaches
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barn swallow shivered in the rafters‚ preening and drying his wet feathers. Despite the ferocious storm‚ all was peaceful in the barn. Then suddenly‚ the door was pulled open‚ scaring the mouse back to her home. Two small figures tumbled in from the rain slamming the door shut behind them. They stood for a moment‚ silent and dripping wet. Finally‚ the taller one lit a match‚ illuminating the boy’s faces. Two brothers: cold‚
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use on young children’s clothing too because they are durable and strong. Zips – They are safe all around because they are nearly impossible to break and little children can’t swallow them. Sequins – They are not very safe to use on babies and younger children’s clothing because they could pull the sequins off and swallow or choke on them. Press Studs – They are suitable to use on all clothing most of the time‚ but when it is on young children’s clothing you have to make sure that they are sewn
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