Question 51 For an organic chemical of interest, the \"dimensionless\" Henrys La

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Question 51

For an organic chemical of interest, the "dimensionless" Henrys Law constant is 5 = c_air/c_water A system has 10 mL of air and 5 mL of water. What is the fraction of the chemical in the air in this system? For the system for the above problem, some soil is added that has no organic carbon (OC). Based on how we considered partitioning to soil to occur, will the fraction of the chemical in the air go up, go down, or remain unchanged? Why? What is the main characteristic of a "Level I Fugacity" Box Model? Endocrine disruption in the environment seems to be acting mostly in which gender direction? List THREE ways that a chemical can act as an "endocrine disrupter" Why is it difficult to be sure whether humans are experiencing endocrine disrupting effects from the chemicals in our environment, and how is the situation for fish living if waters affected by discharged treated sewage different in that regard? What is "BPA" and what has it been used for?

Explanation / Answer

50. At Metro even an outsider can recognize the shared characteristics: simply and ... Frugality as a Guiding Principle Modesty at ALDI goes hand-in-hand With ... as Well as in the on-going effort to avoid any unnecessary costs at all levels.

51. Endocrine disrupter is mostly referred for the male gender.

53. The endocrine system is comprised of a number of glands in the body that do not have ducts and other similar structures. The endocrine system include the ovaries; the testes; the thyroid, parathyroid, adrenal, and pituitary glands; the pineal body; the pancreas; as well as cells releasing hormones found in the gastrointestinal tract, kidney, heart and placenta. What distinguishes endocrine glands from other glands is that endocrine glands secrete certain chemicals called hormones and other glands produce other chemicals or fluids; for example, lacrimal glands secrete tears, salivary glands produce saliva, and sweat glands produce sweat.

54. PA stands for bisphenol A. BPA is an industrial chemical that has been used to make certain plastics and resins since the 1960s. BPA is found in polycarbonate plastics and epoxy resins. Polycarbonate plastics are often used in containers that store food and beverages, such as water bottles.

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