Пrрdv8nLusing a propagation of errors technique as applied to Poiseuille's law derror in the capillary radius (er/r) enters fourfold into the relative error of the viscosity., show that the relative

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Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter28: Atomic Spectroscopy

Section: Chapter Questions

Problem 28.4QAP

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The viscosity coefficient of gaseous chlorine at 1 atm pressure and 20 ᵒC is 147.0 micropoise. Find the molecular diameter of the chlorine molecule.
Find parametric equations for the line tangent to the curve of intersection of the surfaces at the given point. Surfaces: x²+2y+2z=6 y=2 Point 1 Find the equations for the tangent line. Let z = +2t 2 x= = (Type an expression using t as the variable.) y= Z= = (Type an expression using t as the variable.) = (Type an expression using t as the variable.)
Viscometer is used to measure the viscosity of a series of dilute solutions of a polymer in toluene at 30°C. (1) Intrinsic viscosity is the most useful of the various viscosity designations because it can be related to molecular weight by the Mark-Houwink-Sakurada equation, [n] = KM. Calculate the viscosity average molecular weight for this polymer by using the data given in Table 2. Given that the Mark-Houwink constant, K is 12 x 10-5 dl/g and a = 0.71. 0.505 0.595 0.804 Concentration 0 (g/dL) Flow time (s) 67.94 0.402 107.70 121.05 Table 2 132.77 161.39 1.207 227.84
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E.
When 10 mL of water at 20oC is placed in an Ostwald viscometer, it takes 136.5 s for the liquid levelto drop from the first mark to the second. For 10 mL of hexane at 20oC in the same viscometer, thecorresponding time is 67.3 s. Find the viscosity of hexane at 20oC and 1 atm.(ηH2O=1.002 cP, dH2O= 0.998 g/cm3, dC6H14=0.659 g/cm3)
I want the Calculation for this observation
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A) The contact angle for water on clean glass is close to zero. Calculate the surface tension of water at 20 C given that at that temperature water climbs to a height of 4.96 cm in a clean glass capillary tube of internal radius 0.300 mm. The density of water at 20 C is 0.9956 g cm-3. B) What change (if any) you will expect for surface tension in A if the contact angle will be between 10 º and 20 º?
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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