Question 150 pts
[SHOW YOUR WORK, 6 pts.]
What is the energy (in kJ) of 1 mole of photons with the wavelength of 450. nm?
Question 160 pts
[SHOW YOUR WORK, 10 pts.]
What wavelength of light (in nm) is emitted when a Be3+ ion relaxes from n=8 to n=2?
Question 150 pts [SHOW YOUR WORK, 6 pts.] What is the energy (in kJ) of 1...
Calculate the energy emitted per mole of photons (kJ/mol), by a neon sign with a frequency of 4.89 x 10" Hz. 2. A heat lamp produces 25.5 watts of power at a wavelength of 6.50 um. How many photons are emitted per second? (1 watt - 1 J/s) An electron in a hydrogen atom relaxes to the n-2 level emitting light of wavelength 410.2 nm. What is the value of n for the level where the electron originated? Hint: Use...
What is the energy (in kJ) of one mole of photons of ultraviolet light with a wavelength of 85 nm? Group of answer choices a. 1.4 × 10−6 kJ b. 2.4 ×10−15 kJ c. 2.4 × 1014 kJ d. 1.4 ×103 kJ
Question 4 A mole of photons has an energy of 392 kJ. What is the wavelength of one photon? C 6.80 x 10-31 nm C 3.05 x 10-19 nm C 3.05 x 10-7 nm C 3.05 x 102 nm 6.80 x 102 nm Question 5
How many kJ of energy are produced from 8 moles of photons with a given wavelength of 450 nm? Enter your answer to 1 decimal place. Helpful information: Planck's constant = 6.626207*10^(-34) J*s Speed of light = 2.99792*10^8 m/s
3 attempts left Check my work Be sure to answer all parts. Calculate the wavelength (in nm) of light with energy 1.61 x 10-20 J per photon. For light of wavelength 450 nm, calculate the number of photons per joule. x 10 photons/J Enter your answer in scientific notation. Determine the binding energy (in eV) of a metal if the kinetic energy possessed by an ejected electron (using one of the photons with wavelength 450 nm) is 2.93 x 10""'J....
1.. Suppose that you shine light of energy 1050 kJ/mol on an H atom in the ground state. What happens to the light and to the electron? Group of answer choices a. The light is not absorbed and the final energy of the electron is -1312 kJ/mol. b.. The light is absorbed and the final energy of the electron is −328 kJ/mol. c.. The light is not absorbed and the final energy of the electron is −1050 kJ/mol. d.. The...
A photon of light produced by a certain laser has an energy of 3.297x10-19). Calculate the frequency (in Hz) and wavelength (in nm) of the photon. 1 4.976e14 Hz wavelength 2 2 6025 nm What is the total energy (in kJ) in 1 mole of these photons? 198.5 xk What is the color of the emitted light? violet blue green yellow orange red
What is the wavelength, in nm, of radiation which has an energy of 216.0 kJ per mole of photons? mole of photons?
What is the energy in kJ of a mole of photons with a wavelength of 440 nm?
I am having trouble getting the right answer to these few questions and I am very much in need of someone to kindly answer these questions for me correctly please. Thanks. Question 3 0/15 pts Cakculate the change in energy for the transition of the electron from the n 2 level to then 1 level in kJ/mol, using the values of the energy levels calculated above 984.8 Question 4 0/15 pts Find the wavelength in nm of the line emitted...