Chemistry: Determine the energy of 2.00 mol of photons for each of the following kinds of light. (assume three significant figures.) you may want to reference (pages 299 - 308) section 7.2 while completing this problem. part a infrared radiation (1460 nm )

Determine the energy of 2.00 mol of photons for each

Ответ:

angel213326

10.01.2022

Chemistry

The energy of 2.00 mol of photons of an infrared radiation 1460 nm is 164.08 kilo Joules.

Explanation:

$E=\frac{h\times c}{\lambda}$

where,

E = energy of a photon = ?

h = Planck's constant = $6.63\times 10^{-34}Js$

c = speed of light = $3\times 10^8m/s$

$\lambda$ = wavelength = $1460 nm^o=1460\times 10^{-9}m$

Now put all the given values in the above formula, we get the energy of the photons.

$E=\frac{(6.63\times 10^{-34}Js)\times (3\times 10^8m/s)}{1460\times 10^{-9}m}$

$E=1.3623\times 10^{-19}J$

1 mol = $6.022\times 10^{23}$ particles

Then in 2 moles of photons have:

$2.00 mole= 2.00\times 6.022\times 10^{23} =1.2044\times 10^{24}$ photons

Total energy of the $1.0244\times 10^{24}$ photons = E'

$E'=1.3623\times 10^{-19} J\times 1.0244\times 10^{24}=164,075.41 J=164.08 kJ$

The energy of 2.00 mol of photons of an infrared radiation 1460 nm is 164.08 kilo Joules.

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Ответ:

Nathaliasmiles

20.04.2021

Chemistry

Hello! Charchar here!

has an even shorter half-life. is around a hundred times higher. Rocks from the Earth's crust have isotope ratios varying by as much as a factor of ten; this is used in geology to investigate the origin of rocks and the composition of the Earth's mantle.

Explanation:

Google!

Hope this helped!

Have a nice day!

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Determine the energy of 2.00 mol of photons for each of the following kinds of light. (assume three significant figures.) you may want to reference (pages 299 - 308) section 7.2 while completing this problem. part a infrared radiation (1460 nm )

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