subject : physical chemistry Q: Explain how wavelength of light used in Photolithography and optical instrument affect formation of micro pattern.

Q: What are the molecular processes that occur when (a) infrared, (b) x-ray, and (c) ultraviolet…

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Q: a) Explain matrix effect.

A: “Since there are multiple questions and it is not mentioned that which one has to be solved so I am…

Q: Explain about role of gas detection system in Laser.

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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: ography (a) Derive the relationship between diffusion analyte current and concentration of an in…

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Q: : Calculate the increase factor in the fraction of surface atoms when macro sphere 1 m in diameter…

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Q: what is the difference between conventional and electron flow?

A: The electric current is actually flow of electrical charge from negative to positive charge…

Q: What types of samples can be analyzed by IR? How are substances that are opaque (not transparent)…

A: IR spectroscopy is used for the characterization of solid,liquid, or gas samples. Material…

Q: b. Define Tyndall effect. Draw a schematic diagram for the determination of particle size with…

A: A question about properties of colloids, which is to be accomplished.

Q: 14.48)  Name three characteristic properties of a laser.

A: Characteristic properties of a laser: Coherence: Laser light are highly coherent because emission of…

Q: Based on the given data, construct and evaluate the calibration curve by plotting absorbance versus…

A: #Calculation for the mean concentration of Copper: Mean absorbance of the diluted (1:10) unknown tap…

Q: Explain how XPS can be used to identify the compositions of the material in the layers below the…

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Q: Why should we use quartz cuvettes for measuring absorbance in the UV range and plastic cuvettes in…

A: Cuvettes, a small tube-like container that is transparent and sealed at one, open at the other is…

Q: When the D line of sodium light impinges an air-diamond interface at an angle of incidence of 25.0°,…

A: The solution is given below -

Q: A substance gave a refractive index of 1.3949 and a density of 0.808 at 20°C. The molar refraction…

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Q: What are differences between n→π* and π →π* bonding electron transition in Fluorescence? Please…

A: Absorption spectroscopy of organic compounds is generally based on n→π* and π→π* bonding electron…

Q: For a simple distillation: Compound Number of carbon atoms Experimental refractive index…

A: When an incident light passes from one liquid medium to another liquid medium, the light bend…

Q: 1. Calculate a reflective loss when a 589 mm beam of radiation light passes through a piece of…

A: 1. Solution -

Q: DIfference between different types of UV spectrometers based on their advantages and disadvantages

A: Answer - UV spectroscopy or UV–visible spectrophotometry refers to absorption spectroscopy or…

Q: Calculate the molar refraction of CCl4.when it's density is 1.595gcm3 and refractive index is…

A: Given data set:     Density = d= 1.595 g/cm3     Refractive index = n= 1.4574     Molar mass of CCl4…

Q: Type of UV transition

A: Type of UV transitions

Q: what is thresh-hold frequency in the photoelectric effect ?

A: When a metal surface is exposed to light of certain frequency the metal ejects electron(s) of…

Q: Why would fluorescence anisotropy not be a useful method when working with a solid sample?

A: The method of fluorescence anisotropy is to analyze the changing orientation of a chemical molecule…

Q: Discuss thoroughly two (2) spectroscopic techniques used in analytical chemistry.

A: Spectroscopy is used in physical and analytical chemistry to detect, determine, or quantify the…

Q: find the weight factor indium ln in, ln2O3

A: Molar mass of In2O3 = 277.6342 g/mol Molecular weight calculation is given as follows - = 114.818 ×…

Q: In Spectrophotometric Determination of a Metal, how do you compute or get for the Corrected…

A: We know spectrophotometric method is the most widely used tool to study the formation of metal…

Q: Absorbance can be found by taking the negative log of: O The intensity of the transmitted light…

A: Note: As per our guidelines, we are supposed to answer only one question. Please repost the…

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: What is scattering coefficient?

A: The moving particles like a light when forced to divert from a straight trajectory through some…

Q: What processes lead to fluorescence and phosphorescence? Which comes athigher energy? Which is…

A: Introduction- The branch of chemistry that deals with the study of Photochemical reactions is called…

Q: Intensifying screens can be placed on both sides of the X-ray film (double-sided) or on one side…

A: Intensifying screens can be place in x-beam film in light of the fact that the two sides of x-bar…

Q: 15. Lenses are coated with thin film to reduce a. Diffraction d. Refraction C. Reflection foronce…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: 5. Why derivative plot is important in ESR spectrum?

A: This Question is based upon ESR Spectroscopy.

Q: The relationship between liquid height and optical rotation

A: To give: A relationship between the liquid height and the optical rotation.

Q: C E DA В ZI

A: As per our guidelines we can only solve first question. Please resubmit the other questions as next…

Q: The diagram below represents the layout of a typical single-beam UV-Vis, explain the function of…

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Q: Laser light scattering technique is an innovation for the determination of particle size. Briefly…

A: There are 3 types of scattering 1) Mie scattering 2) Rayleigh scattering and 3) non-selective…

Q: What is inductive effect with example and its applications

A: We need to explain inductive effect.

Q: Remaining Time: 26 minutes, 33 seconds. Question Completion Status: > A Moving to the next question…

A: The bcc lattice can be considered as a unit cubic cell with two lattice points per cell.

Q: how can you test fluorescence and phosphorescence mechanisms

A: Fluorescence and phosphorescence are types of molecular luminescence methods. A molecule of analyte…

Q: Points to discuss: • Discuss the relationship between the concentration of the standard solution and…

A: Points to discuss: • Discuss the relationship between the concentration of the standard solution and…

Q: Light of wavelength 700 nm falls on two slits and produced an interference pattern in such away the…

A: Please find the below attachment.     Thank you

Q: Why is 2D NMR used? What are its advantages and disadvantages?

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Q: . Discuss (in your own words) why the Saturation Current is directly proportional to the Intensity o…

A: Photoelectric  effect is explain as shown below.

Q: Answer the question concisely. Maximum of 5 sentences. Differentiate spectroscopy and…

A: Spectroscopy is a branch of science and it deals with the study of interaction of electromagnetic…

Q: The polarizability volume of H2O at optical frequencies is 1.5 × 10−24 cm3. Estimate the refractive…

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