What kind of molecular weight do you generally get from light-scattering photometry?

Q: How can you use error lines from graph to assign an uncertainty to your measurement of the…

A: Atomic absorption spectroscopy is used to identify the concentration of an element or the to…

Q: Which of the following spectral techniques is the most sensitive? a) Mass spectroscopy b) Absorption…

A: among all given spectral techniques, fluorescence spectroscopy is, most sensitive. option e is  most…

Q: what are the most common emission methods in spectroscopy

A: Most common methods in spectroscopy  Ultravoilent and visible spectroscopy  fluroscenece…

Q: What is the difference between a spectrometer and a spectrophotometer? a spectrophotometer has a…

A:

Q: Describe a black body radiator and its spectrum.

A: When a thermal electromagnetic radiation is placed around a body. The equilibrium is set between…

Q: The Rydberg constant depends on the mass of thenucleus. What is the difference in wavenumbers of the…

A: The formula used to calculate the wave number is as follows: Wave number = Rz2×1n12-1n22 where, R =…

Q: 4.8x10^-7 m converted to J/photon

A: E=hc÷lmbda to get the answer  h=Planck constant C= velcoty of light

Q: The arrangement of ions, atoms or molecules in crystals are best determined by which instrumental…

A: The arrangement of ions, atoms or molecules in crystals are best determined by x-ray diffraction…

Q: what is the frequency of light in Hz, with a wavelength of 489.1 nm? USE CORRECT ROUNDING AND SIG…

A: Given , wavelength = 489.1 nm

Q: A sample was excited by the 4358 angstrom unit line of Mercury a Raman line was absorbed at 4447…

A: Given information,    Sample was excited by the 4358 angstrom unit line of Mercury a Raman line was…

Q: What is the relationship between wavenumber and wavelength and how wavenumber is related to energy?

A:

Q: Force Completion Once started, this test must be completed in one sitting. Do not leave t Remaining…

A: Wavenumber is given by,

Q: What atomization systems are in Atomic Fluorescence Spectrometers?

A: Atomization refers to breaking bonds in some substance to obtain its constituent atoms in gas phase

Q: Q 1/ Explain the physical effect of the movement of molecules in the liquid and gaseous state on the…

A: The process of absorption occurs when an atom absorbs energy from its ground state and goes to…

Q: 4.2x10^-7 m converted to J/photon

A: Given value of lmbda  E=hc÷lmbda

Q: QUESTION 1 The pure rotational spectrum of 'H131 consists of a series of lines separated by 13.10 cm…

A: Let us solve this step by step.

Q: 2. (a) An atomic absorption spectrometer requires a very different light source than does an…

A: Part-a In atomic spectroscopy there is transition of electrons between electronic energy level in…

Q: a) Explain why absorption of UV-vis is typically recorded as broad absorption maxima and not single,…

A: The UV-vis absorption spectra is recorded as broad absorption peak due to

Q: -Compare atomic emission spectroscopy with atomic absorption spectroscopy in terms of the…

A: We have to Compare atomic emission spectroscopy with atomic absorption spectroscopy in terms of the…

Q: 4.4x10^-7 m converted to J/photon

A: Use E=hc÷lmbda  Which will give answer in j/photon

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: True or False 1. Photodiode arrays are devices within the instrument that help amplify the signal of…

A: *Photodiode is a semiconductor device that converts light energy into electrical energy through a…

Q: Instrumentation of IR spectroscopy?  Please answer at your own words

A: IR rays with the compound can tell us many things about the unknown compound mainly its FUNCTIONAL…

Q: What is (a) the wavenumber. (b) the wavelength of the radiation used by an FM rad io transmitter…

A: The given data contains, Frequency =88 MHz.

Q: What are the basic principles on which Atomic Fluorescence Spectroscopy is based?

A: The basic principles on which atomic fluorescence spectroscopy is based has to be given.

Q: Illustrate the basic parts of the following: a. AAS b. FAES c. HGAAS d. ICP-MS e. Florescence Atomic…

A:

Q: why it makes sense to use an internal standard in IR spectrometry when its not used in Uv-Vis

A: Solutions- Internal standard method is used in Infra-red spectrophotometry.

Q: What is the difference between atomic emission and absorption spectra? Using the vocabulary words…

A: Emission Spectrum is the spectrum of frequencies of the electromagnetic radiation that is emitted by…

Q: Atomic fluorescence spectrometry is an attractive alternative to atomic absorption spectrometry for…

A: Atomic fluorescence spectrometry (AFS) is an analytical method which is used to determine the…

Q: 1. Explain the difference between atomic emission spectroscopy and atomic absorption spectroscopy.

A:

Q: Why acid is added to the solution when analyzing mixtures in the  UV-Visible absorption spectrometry

A: Acids may impact the pH of the analyte solution significantly.

Q: 6-what is difference between Transmittance and absorbance in spectroscopy?

A:

Q: A spectrophotometer has basic several components. Describe the role of each component and the…

A: Components of spectrophotometer: There are four basic components to a spectrophotometer; a light…

Q: Name Of Experiment: Flame atomic emission spectroscopy(FAES): Determination of Na in drinking water.…

A:

Q: Give reason for: 3- A sample must be bombarded with electrons in mass spectrophotometry. 4- X-axis…

A: In mass spectrophotometry, by an electron bombardment, the sample is converted to fast moving…

Q: Why are instrumental techniques (e.g. UV-vis spectrometry) considered as comparative techniques?

A: Instrumental techniques gives more accurate results for quantitative analysis than conventional…

Q: What makes the electron beam in magnetic deflection mass spectrometer?

A: Mass spectrometry is used to identify the molecular mass of the unknown organic compounds.

Q: 5) A light beam (2=325 nm) is shined on a certain metal surface. If the workfunction (4) of this…

A:

Q: Write extensively on effect of temperature on atomic spectroscopy

A: Spectroscopy can be defined as branch of science that deals with study of structures of molecules…

Q: Fluorescence measurements of concentration are inherently more sensitive than spectrophotometic…

A: Fluorescence  spectroscopy is more sensitive instrumental technique, as in spectrophotometer…

Q: Inductively coupled plasma-optical emission spectroscopy (ICP-OES) is a quantitative method for…

A: Solutions- Inductively coupled plasma-optical emission spectroscopy is a quantitative method for the…

Q: Does an electromagnetic spectrophotometer using photoelectron spectroscopy exist? Explain why or why…

A:

Q: Absorption What type of transition is induced by the electromagnetic radiation mostly absorbed by…

A: A question based on UV-visible spectrum that is to be accomplished.

Q: What are the types of atomization in atomic absorption spectroscopy? (instrumental analysis)

A: A question based on analytical chemistry, which is to be accomplished.

Q: Food dye spectroscopy  2. At what wavelengths should the readings be taken? What instrumentation…

A: Dyes are coloured substances so they are generally analysed in the visible region (400 nm to 800…

Q: Convert the following values of transmittance to absorbance: (a) 98, (b) 80, (c ) 50, (d) 10, (e)…

A:

Q: Describe the units of IR in relation to frequency and energy and describe the functions of an FT-IR…

A: IR spectroscopy is a technique to detect the functional group in a molecule. This infrared light…

Q: Explain the concept of Fourier Transform IR spectroscopy ?

A: Fourier-transform infrared spectroscopy (FTIR) is a technique used to obtain an infrared spectrum of…