Q3) Estimate the viscosity of aniline at 20 C.

Q: The surface tension of water at 20°C is 72.7 mN m and its density is 0.998 g cm" Assuming a contact…

A: Given that, at 20oC The surface tension of water is γ = 72.7 mN/m = 0.0727 N/m = 0.0727 kg/s2. The…

Q: The viscosities of five liquids at 25°C are given in the following table. Explain the observed…

A: Following factors affects the viscousity of a liquid .

Q: 5 if the viscosity of Nacl = 664.256 mpa.s viscosity of NaOH= 1.00979 cp viscosity of water= 0.6531…

A: We have to calculate the viscosity of the entire mixture. The given data is:\ Viscosity of NaCl=…

Q: Explain how molecular weight of a polymer can be determined by dilute viscosity measurements?

A: Polymers are composed of multiples of simpler chemical units i.e. monomers or we can say polymers…

Q: When the temperature is 20 ° C, water flows through an ostwald viscometer at 363 s, whose density…

A: Viscosity of a substance is a glowing capacity of that substance. Normally thin liquids have  less…

Q: Q2: (A) Sketch the following Miller indices: 1. [ī02] 2 (2iio) 3 (3i2)

A: Miller indices form a notation system in crystallography for planes in crystal (Bravais) lattices.…

Q: What is the relationship of viscosity to the rate of flows of liquids?

A: Viscosity is a measure of a fluid's resistance to flow. It describes the internal friction of a…

Q: A methane, CH4, molecule may be considered as spherical, with a radius of 0.38 nm. How many…

A: According to kinetic molecular theory, the Collision frequency is equal to the root mean square…

Q: how would you account for the difference in the viscosity of different liquids 3. discuss the…

A: Introduction :  Viscosity can be defined as the property of a fluid by virtue of which it offers…

Q: What is the potential difference Vc - Va?

A:

Q: 11- find the normality N of NaCl soluton , if w/v% = 0.85%. M.Wt =58.5? 0.145 0.0145

A: Given, w/v %=0.85%  M.Wt of NaCl = 58.5 g mol-1 Normality = ?

Q: Determine the sublimation point (in C) for 12 (s) 1, (g)

A: Let the reaction be- Solid↔Gas Therefore, ∆Ssub=∆HsubTsub where ΔSsub: Standard Entropy of…

Q: Complete the table below. Determine the relationship between Ở and Oo of a block of chocolate given…

A:

Q: The time for water to flow through an Ostwald pipet at 20°C was 298.8 seconds. The density of water…

A:

Q: is the study of fundamental principles of nanostructures between bulk and atomic properties.

A: Nanoscience: The study of fundamental principles of nanostructures between bulk and atomic…

Q: AH soln %3D II

A:

Q: 11.38 (a) Would you expect the viscosity of n-pentane, CH3CH2CH2CH2CH3, to be larger or smaller than…

A: The viscosity of a fluid depends on the intermolecular force, dispersion force, and the shape of the…

Q: Using given viscosity values, determine the identity of a liquid which would have a diffusion…

A: Given the diffusion-controlled rate constant, Kd = 7.51*106 m3.s-1.mol-1  Temperature, T = 298 K

Q: 9- It flows (10 cm') of olive oil during a capillary tube (2 cm in length and (0.04 mm in diameter)…

A: Given, Volume = 10 cm3 Capillary length = 2 cm Diameter = 0.04 mm Height of the olive oil in…

Q: The viscosity coefficient of methane at 0 °C is 102.6x10-6 poise. Calculate the molecular diameter.

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Q: What is the density of nitrobenzene at 30 degree centigrade and How can you describe the viscosity…

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Q: Poly(ethylene oxide) is known to have a characteristic ratio of 4.0. If a particular sample has…

A: Given: Characteristic ratio = 4.0 molecular weight = 150,000 g/mol bond length of of poly ethylene…

Q: Calculate the average collision diameter in cm of methane with the viscosity of 1.09x10-4 poise at…

A: Viscosity of methane at 20°C is 1.09x10-4 .

Q: At 25 °C, how high will water rise in a glass capillary tube with an inner diameter of 0.25 mm? For…

A: Given that: Diameter, d = 0.25 mm Tension, T = 71.99 mN/m Density, ρ = 1.0 g/cm3 To find the…

Q: which of the following would have the highest viscosity at a temperature and pressure where all are…

A: The viscosity of the any liquid is proportional to the strength of molecular interactions between…

Q: Which is NOT a factor affecting the viscosity of liquids? Group of answer choices Molecular mass…

A: In the given question we have to select the correct choice for not affecting the viscosity of…

Q: Provide a molecular interpretation for the observation that the viscosity of a gas increases with…

A: Given : Viscosity of a gas increases with temperature, whereas the viscosity of a liquid decreases…

Q: The diffusion coefficient of glucose in water at 25 °C is 6.73 × 10−10 m2 s−1. Estimate the time…

A:

Q: When spheres of radius r are packed in a body-centered cubicarrangement, they occupy 68.0% of the…

A:

Q: :Q9: The defects importance are Improving chemical properties of the material Enhancing mechanical…

A: defects often determine properties of material. Defects can change physical properties of material…

Q: Determination of the Surface Tension of a Liquid by the Capillary Rise Method: A group of students…

A: Surface tension of benzene = 28.39 dyne /cm surface tension of chloroform = 19.17 dyne/cm surface…

Q: Q3) Calculate the ratio between the height to which ethyl alcohol rises to water by capillary action…

A:

Q: What is the apparent hard-sphere diameter of CO2 at 0°C? The viscosity of CO2(g) at 1 atm and 0°C is…

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Q: H20 N Oven H&0,N2 90°C latm 130°C 9.6atn

A:

Q: 5. The values of the coefficient of viscosity of carbon tetrachloride at different temperatures are…

A: The data given is,

Q: Define the term Diffusion?

A: Diffusion is the movement of particles from a region of high concentration to a region of low…

Q: Use the experimental value of the coefficient of viscosity for argon ( n= 2.10 x 10* kg ms) to…

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Q: Identify the molecule with highest viscosity at 298K? O CH3COCH3 O CHs O CH3COOH O CHA O H20

A:

Q: t 25∘C, how high will water rise in a glass capillary tube with an inner diameter of 0.75 mm? For…

A: Rise in the tube , h = 2TCosθρrg θ = 0o contact angle will be zero since the water has to rise…

Q: Write real life application examples of isostatic, syndiotactic and atactic configurations

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Q: What is the relationship between the number of phases (P) and the number 1 point of degrees of…

A: Introduction: The relationship between phases(P) and degrees of freedom (F) is derived from the…

Q: To what height would you expect ethanol (γ= 22.39 mN m-1 at 298 K, ρ = 789 kg m-3) to climb by…

A: The column height of a narrow capillary is obtained from following equation.

Q: Calculate the height in meters of a column of liquid glycerol (d = 1.26 g/cm3) required to exert the…

A: Pressure will remain same then we can write dHg×g×hHg = dalc×g×halc Where dHg = density of mercury g…

Q: The viscosity of Cl₂ gas at 293 K and 1.0 atm is 120 up, using these data, what would be the…

A: The expression to calculate the collisional cross-section of a molecule is: σ = 1 / 3 [(8RT / πM)1/2…