At a frequency below the frequency required to overcome the work function, increasing the light intensity causes the current to increase / decrease / remain the same.

Q: What are transference numbers and how are they related to ionic mobilities?

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Q: Explain Seebeck effect and discuss about neutral temperature and the temperature of inversion with…

A: The Seebeck effect is when electricity is created between a thermocouple when the ends are subjected…

Q: Why is gradient elution used

A: In this elution process, mobile phase strength is changed during the separation process.

Q: Explain how beam chopping reduces line noise and noise from source drift.

A: To explain: How beam chopping reduces line noise and noise from source drift.

Q: The Weibull distribution is widely used in statistical problems relating to aging of solid…

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Q: Distinguish between voltammetry and amperometry

A: 1) Voltammetry is an analytical technique in which variable potential is applied to the working…

Q: Determine the microstates, sub microstates for every ML max and Ms max and term symbols 2s+1L, for…

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Q: 3. Determine relationship for electrochemical potential of system, where R insolvable.

A: We have find out relationship for electrochemical potential of system, where R insolvable.

Q: Consider a fire detection system that controls three colored LEDS (green, yellow, red). These LEDS…

A: In the process of fire detection system, the three colours are used which are red yellow green LEDs.…

Q: In a voltammetric analysis of an analyte the output plot is:     Current-potential curve…

A: Voltammetric analysis measures the variation of current with potential.

Q: n voltammetry the current, which is proportional to concentration is generated by:     Applying a…

A: Voltammetry is a method in analytical chemistry by which we are able to analyse and obtain…

Q: What type of plot is shown below? 12 000 10 00- 8000 B000 4.000 - 2000 O 00 00 10.0 200 30.0 400 a.…

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Q: 2. Given three capacitors 4F, 6F, and 8F and a total electric potential of 150V, find all the…

A: Given data :- First Capacitor C1 = 4 F Second Capacitor C2 = 6 F Third Capacitor C3 = 8 F Electric…

Q: a) Make A grouped frequency distribution of the data…

A: We have a total of 150 values in the data. Grouped frequency distribution of the data with 9 classes…

Q: Calculate the current density if the drift velocity equals 8 x 10 m/s, conductivity of 72 megaS per…

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Q: What are the applications of Controlled-Potential Electrogravimetry?

A: In electrogravimetry, an analyte is quantitatively electroplated or deposited as a solid on cathode…

Q: Electroosmosis is the movement under the influence of potential difference of: Select one: a.…

A: Electroosmosis is the movement of dispersion medium. And electrophoresis is the movement of charged…

Q: Calculate vrms for (a) a helium atom, (b) an oxygen molecule, and (c) a xenon atom at 298 K.

A: Root mean square velocity can be calculated as follows Vrms=3RTM...............1 Where M=molar mass…

Q: Good evening, Could you write me an abstract for the Dependance of Distribution Coefficient Upon pH?…

A: The solution of a specific concentration of a substance is obtained by dissolving a specific amount…

Q: Force is a vector quantity with magnitude and direction. True or False

A: Step : 1            The required answer for he following question is follows as :

Q: At what potential should the cyclical sweep begin? O open circuit potential O anodic peak potential…

A: In cyclic voltammetry voltage used to change between two values i.e. cathodic peak potential and…

Q: Describe the mechanisms of strength at the peak hardness of a precipitation hardened alloy when both…

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Q: SAMPLE CONCENTRATION 1 0.178 2 0.274 3 0.473 4 0.574 5 0.673 6 0.864 ABSORBANCE 0.2127 0.2715 0.3892…

A: The given data is -                     Concentration                       Absorbance 0.178…

Q: The effect on motion when an electric potential is applied and positive ions drag a group of…

A: Retardation effect: Retardation is the delaying the process.  Thus by Retardation effect is when…

Q: A free induction decay signal lasts as long as the transverse magnetization. True or false?

A: Ans) True

Q: 30- 25- 20- 15- 10- 3500 3000 2500 2000 1500 1000 Wavenumber (cm-1) 747 816 -384 1057 1122 -1338…

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Q: Describe the components of a filter fluorometer and a spectrofluorometer. Why are fluorometers…

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Q: From the equivalent molar conductance at infinite dilution of potassium chloride (0.0149), sodium…

A: The conducting power of all the ions generated by dissolving one gram equivalent of an electrolyte…

Q: Concentration [M] Absorbance Solution 1 86.29 0.64 Solution 2 51.986 0.29 ….…

A: The solution is given below -

Q: Standard Solutions and Determination of ɛ Use the slope and the path length to find the molar…

A: Using beer Lambert's law             ε  or molar extinction coefficient and it  is a measure of…

Q: What is the purpose of waiting 1s after a voltage pulse before measuring current in sampled current…

A: Stationary current cyclic voltammetry is intended for electrochemical objects that (after some time)…

Q: Match each compound to its IR spectrum.

A: Given compounds:

Q: At a frequency above the frequency required to overcome the work function, increasing the light…

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Q: Solve for the absorptivity if only 75% of the incident light is transmitted

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Q: In Fourier's law, the conduction heat flux is: Constant A scalar A vector A tensor A cross product

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Q: Determine the slope of the linear regression line for a standard curve of concentration versus…

A: The slope of the linear regression line for a standard curve of concentration versus absorbance is…

Q: For the following circuit, find i, and

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Q: What quantities are plotted to determine the molecular weight from electrophoretic mobility?

A: To determine the quantities plotted to determine the Molecular weight from electrophoresis…

Q: The following are the reasons why instrumental analysis methods are used, except for:   a. Narrow…

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Q: Explain how can the nanometer length scale affect the system structure and surface area by…

A: For a cylindrical particle, Volume=V=πr2hSurface area=A=2πr(h+r)

Q: Consider a sample of Si at 300 K in which the Fermi level is found 0.10 eV below the bottom of the…

A: Probability of the binding site to be occupied by an electron  = E(f)  E(f) = 11+e-(Ef-E)/kT

Q: Determine the unknown (Abs=0.812) if the absorption of the standard are the following: Standard 1,…

A: The data of absorbance v/s concentrations is given. And the absorbance of the unknown sample given…

Q: Q4:- A moving boundary experiment is carried out with a 0.1 mol. L¹ Solution of hydrochloric acid at…

A: In order to solve this problem regarding the moving boundary method, we will need the following…

Q: From the equivakent molar conductance at infinite dilution of potassium chloride (0.0149), sodium…

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Q: Consider a source function S,(Ty) = a, + b,Tv in a plane-parallel semi-infinite medium. Find: %3D •…

A: Explationation for the semi infinite medium is given below

Q: ompute for the equivalent conductance of Ba(OH)2, if the equivalent conductances of ½Ba2+ and OH-…

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Q: Assume that in an n-type Gallium Arsenide semiconductor at 300K, the electron concentration varies…

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