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Yellow light has wavelength of 580 nm What is the energy of a mole of photons of this kJlmol? lighc in Write vour answer with digits only for example 555 or 88.7 Do not write in the units (which are kJmol) The value ofh = 6.626X10 34 J-s.

Sagot :

The wavelength of one mole of photons of yellow light is 2 x 10^6 J.

The wavelength of the yellow light is given to be 580nm.

We know, the energy of one photon of the light with wavelength Y will be given by,

E = hc/Y

Where,

h is Planck's constant,

c is the speed of light.

Now, for one mole of photons.

We should multiply the energy of one photon to avogadro number.

So, the energy of one mole of photon is,

E = Nhc/Y

Where N is avogadro number.

Putting values,

E = 6.02 x 10^23 x 6.62 x 10^-34 x 3 x 10^8/580x10^-9

E = 0.20 x 10^7

E = 2 x 10^6 J.

So, the energy of one mole of photon is 2 x 10^6 J.

To know more about Photons, visit,

https://brainly.com/question/15946945

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