• # how much energy (in kj) do 3.0 moles of photons, all with a wavelength of 655 nm, contain?

• Physics
• Author:

logannunez108
• 1 month ago

• The energy (in kJ) of 3.0 moles of photons at 655 nm is 6.1 x 10^15 kJ.

Delaney Fuller

• The energy of single photon can be calculated using the equation E = hc/λ, where h is Planck's Constant, c is the speed of light, and λ is the wavelength. E = (6.626 x 10^-34 J*s) * (3.00 x 10^8 m/s) / (655 x 10^-9 m) E = 4.1 x 10^-19 J Then, energy in kJ = 4.1 x 10^-19 J * (1000 kJ/1 J) Energy in kJ = 4.1 x 10^-16 kJ Therefore, 3.0 moles of photons with a wavelength of 655 nm contain 4.1 x 10^-16 kJ of energy.

Sabrina Lara

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