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

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Asked 11/25/2008 6:21:20 AM
Updated 6/25/2011 5:25:44 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 . 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)
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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
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Added 12/22/2011 6:24:11 AM
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Asked 11/25/2008 6:40:08 AM
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