1) E =hc/λ
= (6.626*10^-34*3*10^8)/(320*10^-9)
= 6.21*10^-19 J
2) Of 1 mole E = Avagadro no.*Energy of one photon
= 6.21*10^-19*6.023*10^23
= 374028.3 J
3) n*(6.21*10^-19) = (10^-3)
Thus n = 1.61*10^15
One type of sunburn occurs on exposure to UV light of wavelength in the vicinity of 320 nm . They gave me three ques...
One type of sunburn occurs on exposure to UV light of wavelength in the vicinity of 305 nm . (A) What is the energy of a photon of this wavelength? (B) What is the energy of a mole of these photons? (C) How many photons are in a 1.20 mJ burst of this radiation? (D) These UV photons can break chemical bonds in your skin to cause sunburn—a form of radiation damage. If the 305 nm radiation provides exactly the...
One type of sunburn occurs on exposure to UV light of wavelength in the vicinity of 300 nm . Part A What is the energy of a photon of this wavelength? E = 6.03•1019 J SubmitMy AnswersGive Up Incorrect; Try Again; 4 attempts remaining Part B What is the energy of a mole of these photons? E = J SubmitMy AnswersGive Up Part C How many photons are in a 1.10 mJ burst of this radiation? N = photons SubmitMy...
One type of sunburn occurs on exposure to UV light of wavelength in the vicinity of 320 .nmHow many photons are in a 1.20mj burst of this radiation?
One type of sunburn occurs on exposure to UV light of wavelength in the vicinity of 300 nm . a)What is the energy of a photon of this wavelength? E = 6.62×10−19 J B) What is the energy of a mole of these photons? E = C)How many photons are in a 1.10 mJburst of this radiation? N=_______ photons
One type of sunburn occurs on exposure to UV light of wave lengthin the vicinity of 325 nm. a.) What is the energy of a photon of this wavelength? b.) What is the energy of a mole of these photons? c.) How many photons are in 1.00mJ burst of thisradiation? d.) These UV photons can break chemical bonds in you skin tocause sunburn~a form of radiation damage. If the 325 nm radiationprovides exactly the energy to break an average chemical...
These UV photons can break chemical bonds in your skin to cause sunburn—a form of radiation damage. If the 320 nm radiation provides exactly the energy to break an average chemical bond in the skin, estimate the average energy of these bonds in kj/mol. Please provide a detail step of your methods. Thank you so very much!!!
For electromagnetic radiation with a wavelength of 213.5 nm: (a) What is the frequency of the radiation (in s-1)? (b) What is the energy (in J) of one photon of the radiation? (c) What is the energy (in kJ) of one mole of photons of the radiation?