The first thing to do here is to calculate the energy of a single photon of wavelength equal to #"527 nm"#, then use Avogadro's number to scale this up to the energy of a mole of such photons. So, according to the Planck - Einstein relation, the energy of a photon is directly proportional to its...[Do I need to convert 725 nm to m??] Then E=hv. but I can't come up with a solution. When I say "put in the units", I mean *very* specific units, if you have to, in order to keep the game honest. "mol H2O" and "mol O2" are not the same ships, sailor, nor is 1 "photon" the same as 1 "mol photon".More specifically, photons are wave packets that contain a certain wavelength and frequency For a mole of photons, multiply the result by Avogadro's number. Identify Wavelength in Meters. For example, assume light has a given wavelength of 500 nm; convert this measurement to meters by...Calculate the energy per photon and the energy per mole of photons for radiation of wavelength (a) 600 nm (red), (b) 550 nm (yellow),... Posted 6 years ago.The Photon energy calculator computes the energy of a single photon from its wavelength or frequency. The light seems to us to have a wavy character. It diffracts, interferes and refracts. However, at a microscopic level, it is carried by a minuscule quantum of energy called the photon.
A mole of red photons of wavelength 725 nm has ____ kJ of energy?
Photon energy is the energy carried by a single photon. The amount of energy is directly proportional to the photon's electromagnetic frequency and thus, equivalently, is inversely proportional to the wavelength. The higher the photon's frequency, the higher its energy....of UV photons of wavelength 300 nm and compare it with typical single-bond energy of 400 kJ / mol. | Calculate the energy of a mole of such pairs. How does this value compare with the lattice Assuming that all of the accounts have normal balance , what are total credits on the company trial...Electromagnetic radiation with a wavelength of 525 nm appears as green light to the human eye. The energy of one photon of this light is _ J. A mole of red photons of wavelength 725 nm has _ kJ of energy.Homework Statement Calculate the energy, in kilojoules, of one Calculate the energy, in kilojoules, of one mole of photons of yellow laser light of wavelength 570 nm. Thank you so much. Please explain to me why I have to multiply my answer with the Avogadro's constant to get the final answer.
How to Figure the Energy of One Mole of a Photon
Calculation Theory. Photon Energy and Wavelength. Photon energy can be expressed using any unit of energy such as the electronvolt (eV) or the Joule (J). For short For any given flux and wavelength (in nm), equation 5 can be used to calculate the corresponding average power (in mW).The formula for energy of a photon is E = hf where E is energy in joules, h is Planck's Constant at 6.63x10^-34 joule seconds, and f is the frequency of the photon The Energy of an EM Radiation is given by Max Planck's Equation. What is the energy of a photon that has a wavelength of 460 nm?5) A mole of red photons of wavelength 725 nm has _ kJ of energy. 38) The first ionization energies of the elements _ as you go from left to right across a period of the periodic table, and _ as you go from the bottom to the top of a group in the table.Chemistry, 11e (Brown/LeMay/Bursten/Murphy) Chapter 6: Electronic Structure of Atoms 19) What is the wavelength (angstroms) of a photon that has an energy of 4.38 10 18 J?Conversion between units online calculation: Energy of a Photon - For a photon of the given wavelength. The energy of a photon is given by hc/λ, where h is Planck's constant, c is the speed of light, and λ is the Visible light wavelengths are usually expressed in nanometers (nm), and give...
Hey, sailor!
Yes, you must convert. Always put the gadgets in, and cancel them out as you calculate. It keeps you from making foolish mistakes.
If v is frequency, then h is Planck's constant. Just multiply.
This is how it looks once I do it:
3e8 m/s
/ 725 nm
x (1 nm) / (1e-Nine m) [because 1 nm = 1e-Nine m, so this is just 1]
x 6.6e-34 J-s / photon [<-- that is what is confusing you]
x (6e23 photon) / (1 mol photon)
= ??? J / mol photon
When I say "put in the units", I imply *very* particular gadgets, if you must, with the intention to keep the game truthful. "mol H2O" and "mol O2" don't seem to be the similar ships, sailor, neither is 1 "photon" the same as 1 "mol photon".
As you were. Aye aye!
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