Enzymes Research Enzyme optimum temperature The graph on the left compares enzymes activity with the temperature the enzymes are in. The optimum temperature for enzymes is 40 degrees but anywhere above that temperature the enzymes activity rapidly decreases because the enzymes denatures. Enzyme optimum pH This graph compares
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Product Proposal I. Calamansi Jam Calamansi Jam is a fruit spread made from pure and natural calamansi extracts and sugar. It is very nutritious and contains Vitamin C that can be of great help to our immune system. This product is delicious and at the same time good for our health. II. Related Product Introduction Food is any substance consumed to provide nutritional support for the body. It is usually of plant or animal origin‚ and contains essential nutrients
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It is ‘thiazolidine-2‚4-dione’ and not thiohydantoins as the reaction product of monosubstituted thioureas and chloroacetylchloride a a a a a The reaction products of monosubstituted phenylthioureas with chloroacetylchloride in a polyethylene glycol (PEG-400) medium and K2 CO3 as base/catalyst at an elevated temperature are exclusively thiazolidine-2‚4-diones and not thiohydantoins as has been reported. The core unit thiazolidine-2‚4-dione is essentially derived from chloroacetylchloride
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Unit 3 Chemistry: VCAA Practice Exam Questions 1 Question 3 (2010) A sample of the insecticide dichlorodiphenyltrichloroethane (DDT)‚ C14H9Cl5‚ was found to contain 0.120 g of carbon. What mass of chlorine was present in the sample? A. 0.127 g B. 0.355 g C. 0.994 g D. 1.01 g Question 10 (2009) The level of carbon dioxide in the air in a spacecraft can be controlled by passing the air through canisters containing lithium hydroxide‚ LiOH. In a laboratory trial‚ the air in a 5.00 L container
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TITLE: THE EFFECT OF HEATING DIFFERENT SUBSTANCES INTRODUCTION: In this exercise‚ it was required to observe carefully what happened when certain substances were heated in a burner‚ and to note the appearance of the residue after heating. AIM: To observe the effects of heating different substances. MATERIALS: Hard glass test tubes Powered samples of Lead (II) nitrate Copper (II) sulphate Ammonium chloride Zinc sulphate Basic copper (II) carbonate‚ CuCO3. Cu(OH)2
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Copy the following questions into your assessment document. You may copy and paste the table‚ or create a similar table in the document.) After completing the molecular models‚ fill in the table below: (18 points) Molecule What is the central atom of this molecule? Number of lone pairs on the central atom Number of atoms bonded to the central atom Molecular geometry Bond angle (based on VSEPR theory) CCl2F2 C Zero 4 Tetrahedral 109 degrees HCN C Zero 2 Linear 180 degrees
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CUSTOMER CHARTER ACHIEVEMENTS 20131 Statistics complaint is related only to complaints against claims / benefits process in the month of January 2013. Category 1 Pay Temporary Disablement Benefit to the employee within 7 days after all required information and documents received complete. Number of case payments‚ (January 2013) - 4‚470 Number of cases of paid within 7 days‚ (January 2013) - 4‚429 Percentage fee within 7 days‚ (January 2013) - 99.08% Real Case: Men seizures disappointed Sosco
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Imperialism in the late 19th and early 20th centuries Pre Imperialism: Alaska purchase and sig Reason: remove Russian threat from N America‚ get raw materials Purchase: Sec of State Will Seward finalized with $7.2mil “Seward’s folly/ice box” Sig: Russian threat removed from N America Imperialistic Concepts (large/strong takes small/weak) Reasons for Imperialism: $ (economy)‚ naval bases‚ colonies b/c of overpopulation‚ humanitarian reasons “Influence of Sea Power upon History 1660-1783”
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Non-renewable energies are effecting our environment for the worse. The search for new energy source such as alternative energy sources are starting to become an important factor in the human society. Solar power energy is one alternative energy source often over looked that our society should begin using. Solar power energy works like this‚ “When sunlight hits a solar panel‚ it makes electrons in the silicon move around. (Electrons are teeny tiny specks—they’re way too small for us to see‚ even
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Name: Date: Score: /72 INTRODUCTION TO ISOMERISM AND ALKENES EXERCISES 1. Draw the one constitutional isomer that is missing from column 1 of Model 1. (2 points) 2. Draw ten skeletal representations constitutional isomers missing from column 2 in Model 1 as you can. (Hint: Other than cyclohexane‚ there are 11 ways to draw a six-carbon backbone that contains a ring. Plus there are isomers of cyclohexane that do not contain a ring.) (10 points) 3. Are
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