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A spherical naphthalene ball of 10 gm is kept suspended in a large volume of air at 45°C and one atm pressure. Diffusivity of naphthalene in air $D_{AB} = 6.92 \times 10^{-6} m^2/s$, and density $\rho = 1.14 gm/cc$. The sublimation pressure at 45°C is 0.8654 mm Hg. Calculate the time required for sublimation of 7 gm of naphthalene. Molecular weight of naphthalene is 128.

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onsider the National Assessment of Educational Progress (NAEP) scores for an eighth-grade math test, which we assum approximately Normal, . Give the for a student who received a score Give your answer to two decimal places.

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limit defintion when f(x) = x^3 and f(2) f(2+h) - f(2)/h

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2. The device shown is used to drag loaded wooden pallets across warehouse floors. The wood board shown is one of several members that comprise the base of the pallet. For the 2.0-kN force applied by a forklift, determine the magnitude of the force supported by pin C and the normal gripping forces at A and B. Assume a = 127 mm, b = 93 mm, c = 169 mm, d = 31 mm.

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which of the following descriptions is true and must be remembered when treating a geriatric patient versus a ypunger person? geriatric patients do notbtolerate being asked many questions, geriatric patients brain size and weight reduces over a lifetime, geriatric patients will have a higher lijelihood of committing suicide, or geriatric patients have higher qhite blood cell concentrations in their blood

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ECN-361 Study Guide Problems 16. Assume for Brazil that the opportunity cost of each cashew is 100 peanuts. Which of these pairs of points could be on Brazil's production possibilities frontier? a. (200 cashews, 30,000 peanuts) and (150 cashews, 35,000 peanuts) b. (200 cashews, 40,000 peanuts) and (150 cashews, 30,000 peanuts) c. (300 cashews, 60,000 peanut) and (200 cashews, 50,000 peanuts) d. (300 cashews, 60,000 peanuts) and (200 cashews, 80,000 peanuts)

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1 point Which characteristic of water provides the cooling effect of sweating to release excess body heat? temperature rises and falls slowly to prevent extreme temperature fluctuations facilitation of chemical reactions in breaking molecules apart high heat of vaporization from liquid to vapor/gas state attraction to hydrophilic molecules for transporting substances

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Case Study: F-111 deseal and reseal maintenance Which of the following items was/were identified as health outcome(s) of the SHOAMP study for F-111 maintenance program? Identify your answer by selecting 1 or more of the options. Group of answer choices lower physical and mental quality of life an increase in self-reported memory problems twice as likely to have past or current depression twice as likely to have past or current anxiety an increased risk of bronchitis and emphysema

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Given the following sample code, what does 10 mean? section .data val: db '%d', 10, 0 Group of answer choices 10 bits 10 bytes A hexadecimal value 10In NASM Assembly, both "_printf" and "_scanf" work with several format directives. Which statement is correct? Group of answer choices %d double %f float %b boolean %t text %a array

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9) In 1945, the world was divided into East and West and the two big players were the former Soviet Union and the United States

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matthew s.