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- Consider a gas in a cubical container 22 cm on a side. How many states lie within ±0.01% of the momentum magnitude p=1.6×10−23 kg⋅m/sp=1.6×10−23 kg⋅m/s (a plausible momentum for a nitrogen molecule in a gas at room temperature)? The number of states that lie within ±0.01% of the momentum magnitude p=1.6×10−23 kg⋅m/sp=1.6×10−23 kg⋅m/s is ______× 1025.You dilute 1g of an orgainc liquid, with ethanol, to 10mL in a volumertic flask. What concentraion is used to calculate the specific rotation?Пrр dv 8nL using a propagation of errors technique as applied to Poiseuille's law d error in the capillary radius (er/r) enters fourfold into the relative error of the viscosity. , show that the relative
- What is dispersion statistics? Why is it important?9- It flows (10 cm') of olive oil during a capillary tube (2 cm in length and (0.04 mm in diameter) If the height of the olive oil in the capillary tube (2.5 cm), calculate the time of the olive oil flow into the capillary tube, if you know that the viscosity of the oil ( ŋ oil = 0.18 N .sec/m? ) density of oil gm (0.918 Cma)?Using given viscosity values, determine the identity of a liquid which would have a diffusion controlled rate constant kd = 7.51 x 106 m3/s mol at 298K Values: Benzene: 0.601 Ethanol: 1.06 Mercury: 1.55 Methanol: 0.553 Pentane: 0.224 Sulfuric acid: 27 Tetrachloromethane: 0.880 Water: 0.891
- A nuclcon is scattered elastically from a heavy nucleus. The effect of the heavy nucleus can be represented by a fixed potential -Vo r R, V (r) = where Vo is a positive constant. Calculate the deferential cross section to the lowest order in Vo.When the temperature is 20 ° C, water flows through an ostwald viscometer at 363 s, whose density and viscosity are given as 0.9982 g / cm3 and 1,000 cP, respectively. The flow time of OF2 from the same viscometer at -145.8 ° C was measured as 68 s. Since the density of OF2 at this temperature is 1.523 g / cm3, what is the value of its viscosity?(c) Why calibration by area normalisation is used when assessing drug stability
- Consider geometrically similar animals of different linear size, L. Assume that the distance an animal can jump, H, is a function of L, the average density ρ, the average muscle stress σ (that is, muscle force over leg cross-sectional area), and the gravitational constant g. (a) Find a nondimensional functional expression for H. (b) In Swift’s Gulliver’s Travels, the Lilliputians were a race of very small people, tiny compared to Gulliver’s size. If the Lilliputians had the same ρ and σ as Gulliver, what conclusions can you draw on dimensional grounds? Would they jump higher than Gulliver? The same height as Gulliver? Lower than Gulliver?Given that ln(A1) = ln(A0) – kt1 ……….. (i) ln(A2) = ln(A0) – kt2 ……….. (ii) Where A1 = A0 - x1 A2 = A0 - x2 Y = x2 – x1 Prove that x(1)={Ao-[y/(1-e^-k(t2-t1)]} Using SOUND, BALANCED NUCLEAR EQUATION/REACTION AND PRINCIPLE ONLY, explain “How does KI work to help mitigate the effect of exposure to radiation?” http://www.thestar.com/news/article/954546--radiation-fears-spark-run-on-iodide-pills ® ® ® “the SOURCE OF HEAT that resulted in the melt-down at the Fukushima-nuclear-reactor?” [Actual balanced nuclear equations showing heat generated or absence of certain things required for full point]…Ch.2 Q.)3 USE IMAGE AS REFERENCE