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CHEM 181 (47)
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woc 15- green tea.docx

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Department
Chemistry
Course
CHEM 181
Professor
David Harpp
Semester
Winter

Description
WEIGHT CONTROL Pgs 339342 GREEN TEAProducers of soft drinks are in a dilemma people are wary of consuming empty calories and people are also wary of artificial sweeteners because there is the generally unjustified perception that the substances are mirred in unresolved safety issues So empty calories and zero calories are no good so ColaCola has come up with the product Enviga a green tea based drink that is supposed to burn more calories it has negative calories Dr Applebaum claims that it increases calorie burning o HOWEVER calories cannot be burned they are a unit of measureA food calorie is the amount of heat needed to raise the temperature of a kilogram of water by 1 degree CelsiusWhen a substance burns it releases heat If a piece of pie is said to contain 300 calories then combusting it in a closed chamber called a calorimeter will produce enough energy to heat 300 kg of water by 1 degreeThe body can also burn that piece of cake meaning that 300 calories worth of energy is released as a series of chemical reactions decompose or metabolize the cakes fats carbs and proteins The products of these reactions are eventually exhaled in our breath or excreted in the urine and feces while the energy produced is used to maintain our body temperature and supply the power needed for the proper functioning of our organs and muscles If we do not spend all of the calories there is no need for the body to burn the food components they are stored and weight gain ensues If we engage in activity the store
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