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Test Tube Cm 3
802 wordsINFORMATION FOR PROBLEMS 1 - 5: 25 g KNO 3 and 25 g NaCl were place into 7. 2 gcm 3 of water, heated to 70 degrees and filtered. All necessary. 1. How much KNO 3 should be found in the filtrate? 2. Approximately how much NaCl should be found in the filtrate? 3. When filtered at 70 degrees, how much NaCl should be found on the filter 4. When the filtrate is cooled to 20 degrees, how much of the KNO 3 can be expected to crystallize (precipitate)? 5. About how much NaCl will precipitate in the filt...
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Reproductive Medicine Woman Body
1,895 wordsFrozen Embryos, Who has legal rights? Invited is defined as, "In glass, as in a test tube" (Taber's cyclopedia dictionary, 1993), hence with reference to invited fertilization, the term "Test tube baby." The first 'test tube baby' was Louise Brown of England (Jonsen, A. R. , 1996). Dr. Patrick Steptoe and Professor Robert Edwards combined an ovum from Mrs. Brown, and sperm from Mr. Brown cultured it in a petri dish, and re implanted the now embryo into Mrs. Brown's uterus (Jonsen, A. R. , 1996)....
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Chemical Reaction Test Tube
682 wordsBackground An example of a gas would be hydrogen. A chemical property is how a substance changes its identity. An example of this would be being able to support flammability. A physical property distinguishes one type of matter from another and can be observed without changing its identity. An example of this is somethings boiling point because when you change a liquid to a gas it does not change its identity only its form. A chemical change is when something changes identity and example of this...
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Optimum Temperature Test Tube
810 wordsAim: In this investigation I am trying to find out how the temperature of water affects the reaction rate between amylase and starch. The thing that I am going change are the temperature of water, which are 10. C, 20. C, 30. C, 40. C, 50. C. The things I will measure are the colour of the mixture in the present of iodine each minute until it stays a constant brown. I researched this information in a previous lesson in which we did the experiment at one temperature and timing the amount of amylas...
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