A sample of hydrogen gas was placed in a discharge tube and its spectrum was measured using a high resolution spectrometer. The H line in the spectrum was found to be split into two lines, a high intensity line at 656.28 nm, and a low intensity line at 656.01 nm. This indicates that the hydrogen sample was contaminated with (a) deuterium (b) tritium (c) helium (d) water vapour

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Q: estimate the ionization energy of sodium

A: As is the ionisation energy is the energy required to remove electron. The wavelength valve at the…

Q: You have been asked to determine which heavy metals, if any are in a sample of sewage sludge. Why is…

A: In environmental science, it is essential to determine the presence and concentration of heavy…

Q: (2) Compare and contrast 'Electron ionisation' and 'Electrospray ionisation'

A: (2)Electron ionisation and Electrospray ionisation comparison

Q: Express a wavelength of 442 nm as (a) a frequency. (b) a wavenumber.

A: SOLUTION: Step 1: Wavelength = 442 nm = 442 × 10-9 m. (a). the frequency can be calculated as…

Q: Calculate the energy separations in J, kJ/mol, eV (electron volts), and cm-1between the levels…

A: a) n=2 and n=1 of an electron in abox of length 1.50nm. For energy separations, we can use the given…

Q: The lithium concentration in serum taken from a patient being treated with lithium for…

A: Lithium salts are given to treat the patients suffering from bipolar disorders. At 671 nm red…

Q: Which of two instrumental modes, atomic absorption or atomic emission, results in the better…

A: Atomic Absorption (AA) and Atomic Emission (AE) are both spectroscopic techniques used for the…

Q: Calculate the value of (Nβ - Nα)/N for electrons in a field of (a) 0.40 T, (b) 1.2 T.

A: For an electron, the relation between populations of the α and β states, Nα and Nβ is given by,

Q: The spin quantum number of a nitrogen-14 nucleus isI= 1. What would be the nuclear magnetic…

A: The splitting of  NMR signals  can be calculated by the equation,  (2nI +1) Where,n is the number of…

Q: The reaction 9Be (3H, p) 11Be is studied by bombarding 9Be with 5 MeV tritons. Protons with energies…

A: An excited state is any state of energy higher than the ground state. Excitation energy is always…

Q: Briefly, but informatively, explain the following as encountered in analytical chemistry: (i)…

A: i) Photoelectric effect = A photoelectric effect is something when electrons are released over a…

Q: A line in the Balmer series of the spectrum of atomichydrogen is observed at 23 032 em·'. What is…

A:

Q: The mass absorbtion coefficient for Ni measured with Cu kalpha lines is 49.2 cm2 /g Calculate the…

A: Density, ρ = 8.90 g/cm2 Mass absorption coefficient, μm = 49.2 cm2/g Transmittance Power = 47.8 % of…

Q: When analyzing Pb by utilizing ICP-OES, the presence of coexisting elements in the sample solution…

A: Ionization interference is a phenomenon that shows a change in emission intensity, causing the…

Q: The frequency of a transition is 3.1 x 1010 Hz. What is the energy of this transition? (a) 2.0 x…

A: The given data: The frequency of the given transition= 3.1×1010 Hz To calculate = The energy of…

Q: The first excited state of Ca is reached by absorption of 422.7-nm light. (a) What is the energy…

A: When an electron absorbs energy in ground energy level, it excites to higher energy levels which are…

Q: List all the particle-hole excitations across the Z=N=20 and Z=N=28 shell gaps that could give rise…

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Q: The first excited state of Cu is reached by absorption of 327-nm radiation. (a) What is the energy…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: The equation for the calibration curve prepared with a series of standard Na + solutions (1-5 mg /…

A: The calibration graph would something.. look like this..

Q: The lithium concentration in serum taken from a patient being treated with lithium for…

A: The standard addition equation is, [Xi][Sf]+[Xf]=IxIs+xwhere, Xi = concentration of the analyte in…

Q: concentration in serum taken from a patient being treated with litnium for ressive illneSS wa sing…

A: Concentration is the measure of how much of a given substance is mixed with another substance.

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A: a) A+2 peaks are observed in those elements which have an isotope of mass 2 units greater than the…

Q: Sodium has a distinct pair of emission bands which are observed at 589.1583 nm and 589.7758 nm.…

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Q: Describe (quantitatively) the spectrum of the helium ion, He+

A: It’s explained below:

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Q: Predict the energy of the 2p electrons in K. [k = 13.6 eV and Sz = 2.579 + 0.333(2p - 1) –…

A:

Q: Sample Blank $2 $3 $4 $5 $6 $7 $8 $9 $10 Stock of Fe Stock of SC Volume Fe3+, mL 2.000 2.000 2.000…

A: From the given data we have  Concentration of [FeNCS2+]=[SCN-] Basing on the given chart we have to…

Q: (4) Electrons are no longer ejected from a sample of metal whenever it is illuminated by light with…

A: As per rule only three sub-parts can be answered:

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A: In this activity we have positronium. It comprises an electron and one positron and they are…

Q: 2. The content of sodium in a cooking salt substitute for a low-sodium diet can be determined by…

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A:

Q: How can i calculate value of nuclear spin(I)? Why 11B’s I is 3/2 ?

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Q: WHAT ION HAS THE ELCTRON CONFIGRATION OF  1s²2s²2p⁶

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A: Given information -  potential difference, ΔV = 1050 V charge on electron, q = 1.60 x 10-19 C…

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A:

Spectroanalytical Methods

Spectroanalytical methods measure the wavelength and intensity of radiations that are either emitted or absorbed by a molecular or atomic species. These methods are useful for evaluating the electronic or atomic arrangement of the molecules of a given analyte.