N10/4/CHEMI/SP2/ENG/TZ0/XX 88106105 CHEMISTRY STANDARD LEVEL PAPER 2 Thursday 11 November 2010 (afternoon) Candidate session number 0 1 hour 15 minutes 0 INSTRUCTIONS TO CANDIDATES • • • • Write your session number in the boxes above. Do not open this examination paper until instructed to do so. Section A: answer all of Section A in the spaces provided. Section B: answer one question from Section B. Write your answers on answer sheets. Write your session number
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Introduction to Economics Write an essay in which you describe/evaluate how the production possibility curve helps to illustrate fundamental economic concepts. In this essay‚ I am going to evaluate the second important fragment of economics- Production possibility curve or simply PPF. The importance of understanding the method and analysing elementary economic diagrams is significant for progressing into more depth and other essential parts of the learning of economics. The starting
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hydrogen‚ and oxygen‚ usually with a hydrogen:oxygen atom ratio of 2:1 (as in water); in other words‚ with the empirical formula Cm(H2O)n. The carbohydrates (saccharides) are divided into four chemical groupings: monosaccharides‚ disaccharides‚ oligosaccharides‚ and polysaccharides. In general‚ the monosaccharides and disaccharides‚ which are smaller (lower molecular weight) carbohydrates‚ are commonly referred to as sugars. 2)industrial application of cellulose :- The kraft process is used
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bacteria low in C&G (which are hard to transform with traditional means) by conjugation with other bacteria. Current vectors have the malR regulatory protein which imposes a problem because when active‚ the malM gene is not induced‚ so maltase is not utilized and the gfp gene is not expressed when maltose isn’t present (similar to our lab experiment when GFP is not expressed when arabinose is not present). other plasmids previously available were not capable of transforming Gram-positive bacteria that
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A Million Little Pieces by James Frey reveals the effects of a bad habit can be an abominable experience and getting to the point of surmounting a habit is incredibly difficult but in the end can result in prosperity. James is our main character and narrator‚ unfortunately for him he’s a drug addict who found himself on a plane going to an unknown location. He was beaten up‚ bruised‚ bleeding‚ mentally unstable‚ and all around messed up in every way and he stays in that condition pretty long into
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BEAUTY IS IN THE EYE OF THE BEHOLDER! THIS IS MARIQUIT PEREZ‚ 16 YEARS OF AGE AND PROUD TO REPRESENT ILOILO CITY! AND THIS YEAR’S MS. PHILIPPINES IS NO OTHER THAN… CANDIDATE NUMBER…10! MS. MARIQUIT PEREZ! OH‚ MY GOSH! IS IT REALLY ME? I CAN’T BELIEVE IT! Thank you! THANK YOU! THANK YOU! (MWAH MWAH MWAH) HEY‚ MARIQUIT! WHAT’S UP WITH THAT TOWEL WRAPPED AROUND YOUR NECK? D’YA THINK YOU’RE SOME KINDA SUPERHERO‚ HUH? DUH! HELLO!! CAN’T YOU SEE THAT I’M BEING CROWNED AS MS. PHILIPPINES??? AND THIS IS
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important in modern cell biology because all living cells are made up of chemicals and many chemical processes occur in various living organisms. Chemistry is the one science in which all the other sciences are based. In biology you learn about living organisms and their composition. Organisms are alive because of chemistry - Why we breathe oxygen‚ how we make energy‚ elimination of waste products‚ cellular respiration‚ etc. All of these are based on how living organisms use chemistry to live. Biological
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around‚ it made a couple of little hops forward out of the brambles and looked back at where three smaller rabbits crouched with bright eyes. Quickly the grey and black rabbit hopped around the great chestnut tree and disappeared into the safety of other bushes‚ the three littler rabbits stumbling after. The days of spring brought warmer days in the sun and many more animals that played around near the great chestnut tree when it wasn’t raining. Slowly but surely‚ the days started to get longer
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For this year’s GCSE English. Not sure what it’ll get. Bright‚ swirling colours gleamed beneath the beam of brilliant lights that hung above. Red shining plastics slipped between indigos and pale blues to build the sturdy chassis of miniature cars‚ trucks and lorries. Encased in clear plastic and lined across an array of long and seemingly endless shelves‚ the vehicles posed a formidable and imposing force‚ in stark contrast with the soft toys on the opposite side they faced. Across from the
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Tom had always loved plants. He loved the way they would begin their lives as tiny seeds buried in their cosy little nests‚ and then‚ with all the essential ingredients a sprinkle of water‚ a cup of sunlight and a dash of time they would blossom into sharp Italian ballet dancers‚ their lively radiance beating against the cream-white window pane. Toms mother would grow these plants by the dozen‚ and‚ once a month‚ after harvest week‚ she would take all the plants away‚ replacing them with seemingly
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