This experiment was designed in order to extract caffeine from coffee grounds. In order to do this‚ filtration and extraction techniques with solvents such as calcium carbonate‚ magnesium sulfate‚ and dichloromethane were used1. Decaffeination is something that’s used around the world‚ and there is much discussion on the different methods that can be used. In this case‚ using solvents and heat was the preferred method in order to extract the caffeine. Decaffeination is often used to in order to prevent
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Typical soft drinks usually contain carbonated water‚ caffeine‚ sodium benzoate‚ flavoring agents‚ and sweeteners as well for the purpose for enhancing flavor‚ and in the case of benzoate‚ to function as a preservative. Caffeine is one of the major components that is found in several beverages like coffee‚ energy drinks‚ tea‚ and soft drinks; just to name a few. Caffeine is known to be a powerful drug‚ which many people become dependent on; when they wake up in the morning it is typical to have a
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Brainstorm 1) Class President a) Trustworthy i) Honest ii) Virtues iii) Loyal b) Outgoing i) Friendly ii) Caring iii) Voicetress c) Fight for you i) Listen ii) Advocate iii) Change Outline: I. Attention grabber: There have been 4 class presidents that have gone on to become the president of the United States. Lead: With your help I want to become the class president. Lead: Before you make any hasty decisions here is why you should vote for me. ***Thesis statement: I am the
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Outline: INFORMATIVE Photography Process Hobby/Profession Skilful Types of photography i) Introduction Photography can be defined by the science which relates to the action of light on sensitive bodies in the production of pictures‚ the fixation of images‚ and the like. It also can be define by the art or process of producing pictures by this action of light. Photography is definitely worth a thousand words and it has the power to convey a whole new meaning of a particular situation
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Daniel Kim 12-3-12 HBS‚ period 1 Reaction time experiment Caffeine and Reaction Time 1) Identify the Problem or Question How does the consumption of caffeine affect the reaction time of the nervous system? 2) Introduction Purpose of the experiment: To identify the whether or not caffeine increases or decreases the reaction time of the nervous system. In our experiment‚ we have decided to use all the “cases” which will test how fast a signal from our brain will be sent to our
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adults and children are facing. Obesity can be harmful to the physical body and even more so on the finances of a country. Jamie Oliver goes on about how‚ “Obesity cost about 10% in healthcare which equals to $150 billion.” (Oliver‚2010) The cost to deal with people who are obese puts a real strain on finances to the government. Obesity doesn’t just harm bodies but on the economy too. The affects obesity has on the physical body are unnerving.
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September 30‚ 2014 Speech #2 Professor Toast Speech Assignment 1. Introduction: a. Attention Getter: As Doctor Seuss once said “You know you’re in love when you can’t fall asleep because reality is finally better than your dreams”. b. Topic Revelation: For those of you who don’t know me I am Johnny’s only and younger sister‚ NAME. It is an honor to be given the opportunity to stand up at my brother’s wedding and give this toast. c. Preview: If I were to describe Johnny in one word‚ it
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cells. There are three different types of muscle tissue and each of these three has their own function: 1. Skeletal: This type of muscle tissue covers your Skeleton to give your body its shape. 2. Smooth: This type of muscle tissue works by contracting in order to do things such as pushing food through our bodies. 3. Cardiac: This type of muscle tissue squeezes the blood out of our hearts by contracting and it then relaxes to fill it back up with blood. Nervous tissue This
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Motivational Speech Proposal STATEMENT OF THE PROBLEM: According to the Centers for Disease Control and Prevention‚ in 2005‚ there were 20.6 million cases of diabetes among people aged 20 years to 44 years; according to the American Diabetes Association in 2011‚ there were 25.6 million cases of diabetes among people aged 20 years to 44 years. GENERAL PURPOSE: To persuade SPECIFIC PURPOSE: To persuade my audience to engage in walking for 30 minutes a day to prevent diabetes. CENTRAL IDEA: My
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animation basics Purpose Statement: what is computer animation and how does it effect you. Introduction: When watching a Disney movie or playing your favorite video game have you ever wondered how they made it well today I will give you a brief summary of how they made it. Computer animation is a wonderful advancement in both technology and art There are several steps in completing an animation in this speech I will tell you all of the steps and how they affect the final animation. Central
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