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Q: Which of the following types of electromagnetic radiation has the longest wavelength? Choose one answer. A. ultraviolet rays B. red light C. gamma rays
A: please re-phrase the question Weegy: Anything else?
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User: Which of the following types of electromagnetic radiation has the longest wavelength? Choose one answer. A. ultraviolet rays B. red light C. gamma rays

Weegy: please re-phrase the question

Weegy: Anything else?

User: Which of the following types of electromagnetic radiation has the longest wavelength? Choose one answer. A. ultraviolet rays B. red light C. gamma rays

Weegy: ?? A

User: Which of the following types of electromagnetic radiation has the longest wavelength? Choose one answer. A. ultraviolet rays B. red light C. gamma rays

Weegy: A

User: Calculate the energy (in J) for one mole of photons that have a wavelength of 5.461 x 10 2 nm. Choose one answer. A. 2.437 x 10-12 J B. 2.191 x 10-4 J C. 2.191 x 105 J D. 1.376 x 106 J

Weegy: A

User: Calculate the energy (in J) for one mole of photons that have a wavelength of 5.461 x 10 2 nm. Choose one answer. A. 2.437 x 10-12 J B. 2.191 x 10-4 J C. 2.191 x 105 J D. 1.376 x 106 J

Weegy: A

Question
Asked 11/25/2008 6:21:20 AM
Updated 6/25/2011 5:25:44 PM
3 Answers/Comments
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Calculate the energy (in J) for one mole of photons that have a wavelength of 5.461 x 10 2 nm. Choose one answer. A. 2.437 x 10-12 J B. 2.191 x 10-4 J C. 2.191 x 105 J D. 1.376 x 106 J . we know that E = h*c/lamda Where, E=energy, h is planck's constant, and c is the speed of light in a vacuum. 1 mol = 6.022*10^23 so, E=(6.63*10^-34 J/s * 3.0*10^8) / (5.46*10^ -7) For 1 mole E= (6.63*10^-34 J/s * 3.0*10^8) / (5.46*10^ -7)*6.022*10^23= 2.191 x 10-4 J . Answer is B.2.191 x 10-4 J
Added 6/25/2011 5:12:06 PM
2
Which of the following types of electromagnetic radiation has the longest wavelength? Choose one answer. A. ultraviolet rays B. red light C. gamma rays Answer: B. red light has the longest wavelenght
Added 6/25/2011 5:25:44 PM
0
Which of the following types of electromagnetic radiation has the longest wavelength? Choose one answer. A. ultraviolet rays B. red light C. gamma rays Answer: B. red light has the longest wavelenght
Added 6/25/2011 5:23:01 PM
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Calculate the energy (in J) for one mole of photons that have a wavelength of 5.461 x 10 2 nm. Choose one answer. A. 2.437 x 10-12 J B. 2.191 x 10-4 J C. 2.191 x 105 J D. 1.376 x 106 J
Weegy: A User: If the mass of a neutron is 1.00865 amu , calculate (using the de Broglieequation) the wavelength of a neutron moving at a velocity of 4.505 x 10 4 m/s. Choose one answer. A. 4.372 x 10 -30 m B. 8.781 x 10 -15 m C. 8.781 x 10-15 m 8.781 x 10 -12 m D. 2.632 x 10 -3 m Weegy: Anything else? User: If the mass of a neutron is 1.00865 amu , calculate (using the de Broglieequation) the wavelength of a neutron moving at a velocity of 4.505 x 10 4 m/s. Choose one answer. A. 4.372 x 10 -30 m B. 8.781 x 10 -15 m C. 8.781 x 10-15 m 8.781 x 10 -12 m D. 2.632 x 10 -3 m Weegy: Anything else? User: If the mass of a neutron is 1.00865 amu , calculate (using the de Broglieequation) the wavelength of a neutron moving at a velocity of 4.505 x 10 4 m/s. Choose one answer. A. 4.372 x 10 -30 m B. 8.781 x 10 -15 m C. 8.781 x 10-15 m 8.781 x 10 -12 m D. 2.632 x 10 -3 m Weegy: Anything else? User: If the mass of a neutron is 1.00865 amu , calculate (using the de Broglieequation) the wavelength of a neutron moving at a velocity of 4.505 x 10 4 m/s. Choose one answer. A. 4.372 x 10 -30 m B. 8.781 x 10 -15 m C. 8.781 x 10-15 m 8.781 x 10 -12 m D. 2.632 x 10 -3 m Weegy: Anything else? User: If the mass of a neutron is 1.00865 amu , calculate (using the de Broglieequation) the wavelength of a neutron moving at a velocity of 4.505 x 10 4 m/s. Choose one answer. A. 4.372 x 10 -30 m B. 8.781 x 10 -15 m C. 8.781 x 10-15 m 8.781 x 10 -12 m D. 2.632 x 10 -3 m Weegy: Anything else? User: If the mass of a neutron is 1.00865 amu , calculate (using the de Broglieequation) the wavelength of a neutron moving at a velocity of 4.505 x 10 4 m/s. Choose one answer. A. 4.372 x 10 -30 m B. 8.781 x 10 -15 m C. 8.781 x 10-15 m 8.781 x 10 -12 m D. 2.632 x 10 -3 m Weegy: Anything else? User: If the mass of a neutron is 1.00865 amu , calculate (using the de Broglieequation) the ... (More)
Question
Expert Answered
Updated 12/22/2011 6:24:11 AM
3 Answers/Comments
Calculate the energy (in J) for one mole of photons that have a wavelength of 5.461 x 10 2 nm. Choose one answer. A. 2.437 x 10-12 J B. 2.191 x 10-4 J C. 2.191 x 105 J D. 1.376 x 106 J . we know that E = h*c/lamda Where, E=energy, h is planck's constant, and c is the speed of light in a vacuum. 1 mol = 6.022*10^23 so, E=(6.63*10^-34 J/s * 3.0*10^8) / (5.46*10^ -7) For 1 mole E= (6.63*10^-34 J/s * 3.0*10^8) / (5.46*10^ -7)*6.022*10^23= 2.191 x 10-4 J . Answer is B.2.191 x 10-4 J
Added 6/25/2011 5:09:17 PM
If the mass of a neutron is 1.00865 amu , calculate (using the de Broglieequation) the wavelength of a neutron moving at a velocity of 4.505 x 10 4 m/s. Choose one answer. A. 4.372 x 10 -30 m B. 8.781 x 10 -15 m C. 8.781 x 10-15 m 8.781 x 10 -12 m D. 2.632 x 10 -3 m . Now, The wavelength (Gamma)= h/mv here, h=6.026*10^-34, m= 1amu=1.66*10^-27 K"g, v=4.505 x 10 ^4 m/s. So, The wavelength= 6.026*10^-34/(1.66*10^-27*4.505 x 10^ 4)= 8.781 x 10 -12 m.
Added 6/25/2011 5:34:05 PM
What do the elements, nitrogen, oxygen, hydrogen, fluorine, chlorine, bromine, iodine and astatine all have in common? Choose one answer. A. They are all gases at room temperature and 1 atm pressure. B. They are all halogens. C. They all occur in nature as diatomic elements. D. There is no commonality among these elements. answer is C. They all occur in nature as diatomic elements.
Added 12/22/2011 6:24:11 AM
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