Example 1: The data in the table below were obtained during a colorimetric determination of glucose in blood serum. IA serum sample gave an absorbance of 0.350. Find: the glucose concentration and its calibration sensitivity, and dynamic range. Glucose Concentration, mM Absorbance, A 0.0 0.002 2.0 0.150 4.0 0.294 6.0 0.434 8.0 0.570 10.0 0.704

Q: be done in practice. Focus on (1) choice of solvent (II) choice of sample cuvette material (III)…

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Q: Determine the maximum wavelength of absorption of silver nanoparticles using UV-Vis spectroscopy.

A: Ultraviolet-visible (UV-Vis) spectroscopy is used to determine the absorption spectra of a compound…

Q: A mixture of X gas with a width of 3.8 Å and a length of 2.5 Å and Y gas with a width of 3.5 Å and a…

A: 1. Transport Mechanism Separation occurs by using the size of particle to pass through the pore of…

Q: UVVIS spectrophotometry of water sample containing cobalt (Co) and nickel (Ni) is performed in a…

A: To choose the correct option from the given list

Q: In gravimetry based on precipitations, a small value of R (~1.0) is desired. Why?

A: Since we are entitled to answer only 1 question, we will answer the first one as it is not mentioned…

Q: For oxygen at 25C, the collision diameter is 0.361 nm. What is the mean free path at 1 bar pressure?…

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Q: 2. How many kg of water are evaporated per kg of wood when the wood is dried from 40% moisture to…

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Q: An electron transition in hydrogen atom emits a photon with a wavelength of 1281.5 nm. Calculate…

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Q: Metal membranes are generally produced from Platinum and its alloys and are known for their high…

A: • Metal membranes generally makes use of platinum group metal catalysts and alloys. They are also…

Q: Plot the the attached data - Absorbance vs. Time

A: According to the Beer-Lambert law, a linear relationship between the concentration and the…

Q: Fractional solvent extraction a. employs only one solvent c. results in low interfacial tension b.…

A: The answer is: (b)employs two solvents.

Q: In the table below are shear stress and shear rate data for three bottles of syrup (simply…

A: In the above question shear stress vs shear rate data are given. We have to find the Non Newtonian…

Q: A 9.86 x 10 M sample of compound X in a solvent has an absorbance of 0.349 at 528 nm in a 1.000 cm…

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Q: 11. Calculate the 20 diffraction angle for the (311) plane in platinum. The incident x-ray beam has…

A: Here is the step-by-step explanationStep 1:  The lattice constant (a) for platinum:The lattice…

Q: Enumerate transport property correlations used to determine the molecular diffusivities of gases and…

A: Given information: Transport property correlation To determine the molecular diffusivities of gases…

Q: 2) Certain material is dried under laboratory conditions and it was found that 2 hours is needed to…

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A: Absorption spectroscopy of the substance is a very basic method of discovering the band gap of…

Q: After the addition of 24 g of ethanol (C2H5OH) to 1 kg of water, the freezing point of the solution…

A: Cryoscopic constant is defined as the depression in freezing point when one mole of solute is…

Q: The following is Pxy diagrams for the four systems at T = 25°C: A) Benzene-Formaldehyde, B)…

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Q: What is the importance of dilute-solution assumptioon in calculating solute fluxes in mixture

A: To find Importance of dilute-solution assumption in calculating solute fluxes in the mixture

Q: Describe the typical diurnal variation observed in-stream water quality. Include a discussion of…

A: • The parameters like pH, Dissolved Oxygen(DO) defines the quality of water. These parameters are…

Q: Compute for Albumin concentration Given: Absorbance of the standard = 0.484 Absorbance of the sample…

A: Given data : Absorbance of the standard = 0.484 Absorbance of the sample = 0.502 Concentration of…

Q: The effects on polymer addition to the mixture of colloidal particles has been widely reported. With…

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Q: A 4.00 x 104 M solution of aniline in H₂0 has absorbance A = 0.504 at 280 nm, when measured in a…

A: Given that- Concentration of aniline solution 1= 4.0 x 10-4 M Absorbance of aniline in H2O, A=0.504…

Q: An oil sample had its iodine number determined using the pyridinium tribromide method. The sample…

A: Given data: volume of oil sample = 0.21 mL Density of oil sample= 0.927 g/mL Mass of pyridine…

Q: A uniform patch of clay soil initially has a moisture content of 96.6 g/kg dry soil. After a sudden…

A: Given data Initial moisture content = 96.6 g/kg dry soil, Saturated moisture content = 190.1 g/kg…

Q: To determine  the recovery (%) of methanol 2. To conduct the overall balance, component balance and…

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Q: specific surface area of an activated sample.

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Q: The sum of fraction of light absorbed and reflected is 0.74. How much is transmitted?

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Q: Ethyl alcohol is diffusing into an alcohol-water solution at 18°C. The concentration of alcohol in…

A: The given question is a question of mass transfer involves application of film theory.

Q: 1. What are the two characteristics of the component ions in crystalline ceramic materials that…

A: The two characteristics of the component ions in crystalline ceramic materials that influence the…

Q: calculate the mixing entropy in the preparation of an air sample from the pure gaseous components,…

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Q: Calculate the ionic packing factor of sodium chloride. Magnesium oxide has a sodium chloride crystal…

A: Ionic radius of Na = 0.98 angstrom  Ionic radius of Cl = 1.8angstrom. In FCC NaCl, there are 4…

Q: The following diffusion coefficients are are obtained from an experimental setup. The data is fitted…

A: given that diffusion coefficient are obtained from  experiment  data of DExperimental and DModel are…

Q: .The following diffusion coefficients are are obtained from an experimental setup. The data is…

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Q: The following data apply to a 1g sample of a granular powder Volume of the solid alone = 1 cm3/2g…

A: Given data: Amount of granular powder = 1 g Volume of solid alone = 1cm3/2g Volume of intraparticle…

Units and Dimensions

Dimensions are the basic concepts of the measurement of quantities. Units are the means of expressing the dimensions. For instance, an area has a dimension of L2 and a unit of m2.