a. Which is higher in energy: electromagnetic radiation with wavenumber 100 cm−1 or with wavenumber 2000 cm−1? b. Which is higher in energy: electromagnetic radiation with wavelength 950 nm or with wavelength 850 nm?

Q: Which of the following has the higher energy: (a) light having a v of 10° Hz or 10° Hz; (b) light…

A: To find: The light which has the higher energy.

Q: What is the wavenumber of light with a frequency of a. 5.28 x 1012 sec-1? b. 3.17 x 1013 sec-1?…

A:

Q: Given the types of electromagnetic radiation shown below. Which of the following correctly orders…

A: Given: wavelength = speed of light/ frequency wavelength is given for all rays. frequency  = C / λ…

Q: Table 3: Assignment of the Balmer series transitions. Convert nm to meters first E photon…

A: The Balmer series is the name given to a series of spectral emission lines of the hydrogen atom that…

Q: 14.69. By how much do Do and De differ in H,S if the vibra- tional frequencies of H,S are 2626,…

A: To calculate the difference in Do and De in H2S if vibrational frequencies of H2S are 2626, 2615 and…

Q: Each individual part in an atomic absorption spectrophotometer has a specific function. Below is…

A: Atomic Absorption Spectroscopy is a technique of qualitative analysis of chemical elements using the…

Q: Chemistry Do the UV-vis and Fluorescence excitation spectra look alike? Why or why not?

A:

Q: Which is higher in energy: electromagnetic radiation with wavenumber 100 cm−1 or with wavenumber…

A: Since the relationship between the wavenumber and energy of radiation is given by  E = hcυ where h =…

Q: 91 The rotational spectrum of Br Br has lines 0.154 cm apart. Each line corresponds to a transition…

A:

Q: Atomic absorption spectroscopy was used to determine the amount of aluminum in a sample of…

A:

Q: Why is fluorescence generally more sensitive than absorption measurements

A: Why is fluorescence generally more sensitive than absorption measurements?

Q: What would you predict to be the hottest in relation to spectra? A violet object, a green object, or…

A: As the light rays are made up of photons whose energy specifies a color from red to violet. As we…

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

A:

Q: Convert the following wavenumbers (in cm-1) into their corresponding wavelengths (in nm)  a. 3300…

A: From the following formula, we can convert wave number (cm-1) into wavelength (in nm) νλ=104where,…

Q: what is the relationship between absorbance and transmittance? kindly explain it briefly

A: Incident light can be defined as the light that strikes on a solution.

Q: wavenumbers

A:

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: The frequency of a transition is 5.4 x 10¹5 Hz. What is the corresponding wavelength? a) 5.6 x 10-8…

A: Solutions Hence option (A) is correct answer..

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

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

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

A: According Einstein law of photoelectric effect if a metal surface is irradiated with the light…

Q: Express 4000 Å h = 6.626 x 10-34 J s c = 2.998 x 108 m s-1 a. In nanometers: b. As a wavenumber…

A: Angstroms and nanometer has 0.1 power difference, and wavenumber is inverse of wavelength.

Q: In which region of the electromagnetic spectrum is radiation of wavenumber 1000cm1? Select one: O a.…

A:

Q: If the wavelength used in an instrument is changed from 460 to 560 nm, a. Has the energy been…

A: If wavelength is changed from 460 to 560 nm this means that we are increasing the wavelength of…

Q: 1. Describe how emission and absorption spectra are made. 2. What can a red-shifted spectra from a…

A: Emmision spectra :  When the atoms inside the discharge tube , ( a glass tube filled with inert gas…

Q: Convert the following wavenumbers (in cm-1) into their corresponding wavelengths (in nm) 3300 cm…

A: 1) 3300 cm-1 = 3030.30 nm. 2) 3050 cm-1 = 3278.69 nm. 3) 2950 cm-1 = 3389.83 nm. 4) 1700 cm-1 =…

Q: Which of the following electronic transitions is allowed and thus expected to have a short lifetime?…

A: for electronic transition to be allowed the value for azimuthal quantum number change  ∆L should be…

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: 4.7x10^-19 J/photon converted to kJ/mol

A: According to the given data, the energy of one photon is = 4.7x10-19 J. According to the Avogadro…

Q: 1. Calculate the change in energy (AE) in J for all of the transitions to n = 1 indicated in the…

A: The energy for any given level is generalized as:En = E1n2where  'n'  is the energy level. The…

Q: wavelength (um) 5 5.5 6 8 9 10 11 2.5 100 3.5 4.5 12 13 14 15 16 80 (d) 1604 60 40 20 1742 4000 1200…

A: Using IR spectroscopy  -Only the functional group of the molecule can be determined.  - In order to…

Q: 1a)A sample was excited by the 4358 angstrom line of mercury. Raman line was observed at 4447…

A:

Q: 1. a)Which method, AES or XPS, is better for resolving chemical shifts and why?  b) Why is the AES…

A: Atomic emission spectroscopy (AES): The amount of the element that remains in a sample can be…

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: How many joules is a 2 cycle/sec photon of radiation of a beam of infrared radiation with a…

A: Answer: With the help of wavelength, calculate the energy of an Infrared photon and then calculate…

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

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

Q: 79 91 -1 The rotational spectrum of Br Br has lines 0.154 cm apart. Each line corresponds to a…

A: We have to predict the bond length.

Q: Calculate the energy of a photon of electromagneticradiation whose frequency is 2.94 * 1014 s - 1.

A: Energy of photon , E = hν                                E = 6.626 x 10-34 J.s x 2.94 x 1014 s-1…

Q: How many joules is a 2 cycle/sec photon of radiation of a beam of infrared radiation with a…

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: Thu Nov 16 16:21:37 2017 (GMT-05:00) 102 100- 98- 96- 94- 92- 90- 88 86- 84 82- 80- 78 76 74 72- 70…

A: The structure of the unknown compounds can be determined by using spectroscopical methods. Prior to…

Q: The two nuclei in the nitric oxide (NO) molecule are 0.1154 nm apart. The mass of the most common…

A:

Q: Calculate the frequency range in Hz for green light using the Helmholtz Table.…

A: The wavelength for the green light given in the table as 500 to 560 nm. The relationship between the…

Q: The bond length of CO is 112.82 pm. What resolution is needed (in wavelength or wavenumber) if you…

A: Interpretation -  To determine the wavelength or wavenumber to able to desire to distinguish the  L…

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

A:

Q: 12. What is the frequency of light with a wavenumber of a. 5.67 x 104 cm-1 ? b. 3.15 x 105 cm-1…

A:

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

A: The solution of molecules with known concentration are placed in a cuvette, then a beam of…

Quantum Chemistry

Quantum chemistry deals with the properties of chemical systems and their reactions. The branch of chemistry which is more concerned with quantum chemistry is physical chemistry. It is a more sophisticated field of theoretical physics which is concerned towards the application of physical concepts towards various chemical aspects such as, formation of atoms, chemical structure descriptions, chemical bond strength, hybridization, conjugation etc. Quantum chemistry mainly studies the various states i.e., ground state, excited state, transition states of the individual atoms or molecules taking place during any chemical reaction. The laws of motion explained by various scientists, which are termed as “classical mechanics” were not acceptable in terms of electrons, protons, atoms, light etc. Thus, a new theory named “quantum mechanics” emerged to understand the basic framework of various atomic and subatomic particles.