I watched video on you tube of the Jazz Cafe performances. This was primarily a showcase for music majors and graduate students. The performances featured many blooming musicians with an assortment of unique musical combos. This was a perfect opportunity to experience such a wide variety of music‚ which for the novice Jazz listener‚ was perfect. It wasn’t just the music‚ however‚ that m4:led this performance a success. It was the atmosphere. Low lighting coupled with candlelit tables made for a
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sterilization of all equipment and media. Flame sterilization of wire loops and needles which are used to transfer bacteria from one growth condition to another. Flaming the mouth of test tubes and other containers to establish hot air convection out of the container‚ to reduce the chance of microbes entering the tube by air flow. Mixtures of organisms‚ as found in nature‚ will have characteristics of the group and thus identification of a single member of the group is not possible. In order to determine
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needed to do the experiment 1. Bucket of Ice 2. Benzoic acid 3. Capillary tube 4. Mandelic acid 5. Rubber band 6. Vegetable oil 7. Unknown compound 8. Bunsen burner 9. Gram scale 10. Mortar and a piston 11. Mixture of benzoic and Mandelic acid 12. Micro-spatula 13. Thiele tube 14. Thermometer 15. Watch-glass Procedure The melting point will be observed with the use of a Thiele tube melting point apparatus. Primarily‚ using a mortar and its piston‚ the benzoic
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An Investigation Into the Factors Affecting the Rate of a Chemical Reaction Title of your investigation An investigation into the factors affecting the rate of a chemical reaction 1. Aim of investigation To investigate the major factors that affect the rate of corrosion. 2. Motivation (explain why you have chosen to investigate this particular topic) I have chosen to examine this experiment as it applies to our daily lives. Rusting of metal occurs every day whether it’s the
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Cell Membrane Transport The purposes for these experiments is to be able to understand osmosis and its relationship to tonicity of solutions‚ and the transportation of molecules across cell membranes. It’s also used to understand‚ and how temperature affects diffusion. You also learn how to test for presences of starches and sugars in solutions. In the first exercise I will be testing for diffusion through an artificial membranes. This one has forty five steps to it. I will not go into
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There are two types of otitis media. While Traditional medical care uses‚ antibiotics and‚ surgical tubes‚ Chiropractic care uses‚ no drugs or surgery‚ and is safe‚ gentle‚ and effective in less time to treat Otitis Media (inner ear infection.) Traditional medical care starts with antibiotics‚ resulting in the surgical implantation of tubes. While Chiropractic treatment is a gentle adjustment of the cervical spine using neither drugs nor surgery‚ resulting in an effective
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and revamp the ways they operate to meet consumer demands‚ reduce cost and compete efficiently. This paper will also examine computer- based information system and the impact on a commerce industry in Jamaica. First-generation computers used vacuum tube technology that store data (1946 – 1958). (Troy‚ 2014) The ENIACE (Electrical Numerical Integrator and Computer) which used vacuum was designed and built 1944 by John
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elements used for making it. There are two types of transistors such as POINT CONTACT and JUNCTION TRANSISTORS. Point contact construction is defective so is now out of use. Junction triode transistors are in many respects analogous to triode electron tube. A junction transistor can function as an amplifier or oscillator as
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discharge of electricity in “vacuum tubes”. The glass tubes were evacuated (and made airtight using Bank of England sealing wax) and had metal plates sealed at the ends. The metal plates could be connected to a battery or an induction coil. This flow of electricity was necessary in order for the tube to glow. The glow emerged from the negative plate (the cathode) and disappeared into the positive plate (the anode). If a circular anode was sealed into the middle of the tube‚
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Other variables to be controlled Other equipment Method and outcome Temperature Volume of solutions Stress of Daphnia Size of Daphnia Time of acclimatisation Microscope‚ counter‚ cavity slide‚ dropping pipettes‚ stop clock‚ distilled water‚ test tubes‚ stop clock Method: Remove 1 Daphnia and place in cavity slide. Remove pond water and replace with distilled water. Leave for 5mins to acclimatise then observe & count heart rate under microscope for 30s‚ multiply number by 2 to calculate beats/min
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