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1. When we say that something gives us "energy," what does that mean? What is a biological definition of energy? 2. What is the physiological role of each of the molecules in your table?1. Which ingredients provide energy? How do they do that?2. Which ingredients contribute to body repair, i.e., which help build or rebuild muscle tissue?3. In what ways might the one(s) that does (do) not have a metabolic energy source (caffeine) provide the perception of increased energy after consumption?4. How are the ingredients in these drinks helpful to someone expending a lot of energy, e.g., a runner?5. Does your analysis substantiate the claim that this is an "energy drink"? If so, what molecules are the sources of energy?6. Could your drink serve different purposes for different consumers? Explain.7. What is the normal physiological response to increased intake of sugars? to increased intake of caffeine?8. Is there such a thing as a "sugar high"? Explain your answer.9. Evaluate, in terms of basic physiology and biochemistry, the statement: A lack of sleep causes a lack of energy.10. Are the product claims legitimate? Why?11. Should you simply buy a can of Coke® rather than one of these energy drinks? Why/why not?
Ethane, C2H6, has a molar heat of vaporization of 15 kJ/mole. How many kilojoules or energy are required to vaporize 5 g of ethane?
What is the free energy change, ?G°, for the equilibrium between hydrogen iodide, hydrogen, and iodine at 453°C? Kc = 0.020
If 3.17 moles of ethane, C2H6 undergo combustion,according to the unbalanced equation C2H6+O2--> CO2+H2O, how many moles of oxygen are required?
What weight of glucose in grammes is required to make 675 ml of a 750 mM solution. Glucose Mr = 180.16
A 1.50L sample of neon gas at 1.10 atm and 25 degrees celsius is heated to 45 degrees celsius. The neon gas is then subjected to a pressure of 1.50 atm. Determine the new volume of the neon gas.
Converting liquid water to solid ice releases 1.44 kcal/mol. How many kilocalories are released by freezing 2.5 mol of H2O? How many kilocalories are released by freezing 32 g of H2O.
hydrogen gas was collected over water in a eudiometer at 26 degrees c when the atmospheric pressure was 726 mm hg. What was the pressure of the hydrogen gas?
gives a straight line with a slope equal to -5100 K. What is the activation energy for the reaction?
Calculate Kc for the reaction 2CCl4(g) + O2(g) [3] 1.75 moles of H2O2 were placed in a 2.50 L reaction chamber at 307C. After equilibrium was reached, 1.20.
A 5.0×101 sample of water absorbs 355 of heat.If the water was initially at 25.9, what is its final temperature.
Compare the absorbances you obtained for the SPF 8 and SPF 15 preparations. If both preparations contain the same ingredients, how much must the concentration of UV-absorbing materials
Classify the solid state of the following substances as ionic crystals, covalent crystals, molecular crystals or metallic crystals: (a) CO2 (b) B12 (c) S8 (d) KBr (e) Mg (f) SiO2 (g) LiCl (h) Cr
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