Estimate the lifetime (in picoseconds) of a quantum state that gives rise to a line of width 1.73 cm-1. Ans = _______ ps

Q: (b) Calculate the half width in nanometers for Doppler broadening of the 4s S 4p transition for…

A: (b)

Q: As the extent of conjugation increases, the value of the observed wavelength max O Increases Remains…

A: With the increase in the conjugation in the system the energy difference decreases. Energy is…

Q: 6. Rand the following photons in terms of decreasing energy: IR (v= 6.5 x 1013 Hz), microwave (v =…

A: Since you have specifically asked for question number 6 to be done, we will solve that one for you.…

Q: (c) Estimate the wavelength of electrons that have been accelerated from rest through a potential…

A:

Q: Spectrum 99 97 95 93 91 89 87 85 83 81 79 77 4000 3500 3000 2500 2000 1500 1000 500 Wave Number…

A: IR provides the information about the functional groups of unknown.

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: Compare the ɛ value for n--> Tt* transitions and nt-> T* transitions. Explain the reason.

A:

Q: Beer's law can be used to determine the concentration of two substances A and B in solution,…

A: Beer-Lambert’s law is useful in determining the relationship of the intensity of visible radiation…

Q: 100 80 60 40 20 - -0. 3000 2000 1000 Wavenumbers (cm-1) %Transmittance 川| 1862.43 1782.54 1458.51…

A: From IR one can get a glimpse of some functional groups like carbonyls, hydroxyl, aromatic C=C bond…

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: Using the Heisenberg uncertainty principle, calculate the frequency spread Av for a nanosec- ond…

A: According to Heisenberg Uncertainty principle "energy and time cannot be determined simultaneously…

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: What is the Doppler-shifted wavelength of a red (680 nm) traffic light approached at 60 km h−1?

A: Doppler effect refers to the change in the frequency of wave in between a relative motion of a wave…

Q: 86- 84- 64- 62- 4000 3500 3000 2500 2000 1500 1000 500 Wavenumbers (cm-1) %Transmittance 8 富 8…

A: Some frequencys of group functions.O-H Stretching → 3200 - 3500 cm-1                N-H → 3300 →3600…

Q: Wavenumber cm-1 3500 3000 2500 2000 1500 1000 3388.53 1215.44 96.5 Transmittance [%] 97.5 98.5 99.5

A: The IR spectra  help us to analyze  the functional  group in unknown compound.

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

A: Given value of lmbda  E=hc÷lmbda

Q: Explain the difference of an operational principle between flame atomic absorption spectroscopy…

A: Flame atomic absorption spectroscopy  Flame atomic emission spectroscopy  Amount of light absorbed…

Q: calculate the total amount of energy on units of kj for 0.380 moles of 550 nm photons

A: The energy corresponding to 'N' photons is calculated as: E =Nhcλ where N is the number of photons,…

Q: 75 60- 55- 50- 45 40 35- 30 25- 20- 15- 10- 5- 3000 2500 2000 1500 1000 4000 3500 500 Wavenumbers…

A: Some important and characteristics IR peaks are discussed below.  A. Strong peak at 3060-3080 cm^-1…

Q: Consider the diatomic molecule AB modeled as a rigid rotor (two masses separated by a fixed distance…

A:

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

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

Q: 6.7x10^-7 m converted to J/photon

A: Use hc÷lmbda to get answer  E= 6.62×10-34×3×108÷6.7×10-7 E=19.85×10-26÷6.7×10-7 E=2.96×10-19j/photon

Q: Which of the following equation represents an allowed transition in a pure rotational spectrum (in…

A:

Q: 1. Amelia's light saber has an ideal wavelength of 0.632 um, but she only has a device to measure…

A:

Q: 5. What is the number of allowed energy levels with energies less than 20 eV for an electron in a 1D…

A:

Q: - What is the frequency of radiation with a wavelengih of.60 × 10* m? In what region of the…

A: Given: The wavelength of radiation= 5×10-8 m Standard data: speed of the electromagnetic wave…

Q: Determine which of the following transitions are allowed. 'P: E IS. P, E 'S. 'D2 E 'S, 'D2 E 'P2 3D.…

A: The transition that are allowed is given below

Q: 3. A particle with total spin quantum number s is in the state with the highest z-component of…

A: Spin number of an atom tells us about the direction of spin of electron.The value of spin quantum…

Q: (structure below) is proposed as a model compound for an application of the particle-in-a-ring…

A:

Q: A 50.0 mg sample was dissolved in acid and then diluted to a total volume of 50.00 mL. If 1.000 mL…

A: In spectrophotometric measurements of analyte concentration, measured absorbance related to the…

Q: Is kinetic energy of photoelectron dependent on the xray beam energy?

A: Photoelectric effect :- The ejection of electron from the surface of a metal when a light of…

Q: 3280 cm-1 to mm

A: The formula for converting between μm and cm-1 is ν ¯λ= 104. Frequency in Infrared Spectrophotometer…

Q: Calculate the separation between the two lowest levels for an O2 molecule in a one-dimensional…

A: Given: 1) Temperature (T) = 300 K 2) The planks constanct 'h' = 6.626× 10-34 J s   3) E=n2h28mL2…

Q: 6. Rand the following photons in terms of decreasing energy: IR (v= 6.5 x 1013 Hz), microwave (v =…

A: Numerically, The energy (E) of photons is related to frequency (ν) of photons in the following way…

Q: The mass of the most common silicon atom is 4.646 * 10-26 kg, and the mass of the most common oxygen…

A: Solution- given- The mass of the most common silicon atom =4.646 × 10-26 kg,The mass of the most…

Q: 1/ Please explain the answer in detail The J = 0 to J = 1 transition for carbon monoxide (12C160)…

A:

Q: (structure below) is proposed as a model compound for an application of the particle-in-a-ring…

A:

Q: Calculate the wavlength (in nm) of electromagnetic radiation with a frequency of 5.8 x 1014 s-1.

A: Wavelength of an electromagnetic wave can be defined as the distance between one crest or trough to…

Q: Estimate the lifetime of a state that gives rise to a line of width (i) 200 MHz, (ii) 2.45 cm−1.

A: (i) The lifetime of a state is calculated using the Heisenberg Uncertainty principle. The lifetime…

Q: Analyze the effect of concentration and path length on the absorption of radiation in UV visible…

A: The relationship between the absorption, concentration, and path length of the solution is expressed…

Q: (structure below) is proposed as a model compound for an application of the particle-in-a-ring…

A: This is the problem of MO diagram of a octatetraene in 2 d box.

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

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

Q: Is it possible that an atom with quantum numbers: Principal quantum number=5 Azimuthal…

A: Principal quantum number:  Determine the orbital size and an energy level  an electron is placed on.…

Q: Calculate the separation between the two lowest energy levels for an N2 molecule in a one-…

A: Given,  mass of N2, m = 28 amu                             = 28x1.6605x10-27 kg Length = 2 cm =…

Q: Estimate the lifetime of a state that gives rise to a line of width (i) 0.20 cm−1, (ii) 2.0 cm−1.

A: (a) lifetime of a state =h2πdE   with,   dE = hc x l l = line width h = planck's constant c = 3.0 x…

Q: A beam of electrons with a speed of 600 m/s passes through double slit with the slits spaced 2 μm…

A:

Q: The average velocity of the atoms emitting a photon at 676 nm was 3184 m/s. What is the contribution…

A: Doppler linewidth is given as: ∆λ=λvcwhere,λ=wavelengthv=average velocityc=speed of light in vacuum

Q: An electron is confined to a linear region w ith a length of the same order as the diameter of an…

A: The expression for Heisenberg’s uncertainty principle is as follows, Where, delta p is the…