What is the energy of a photon of wavelength 516 nm? Select one: -19 O a. 3.85 x 10 J -48 O b. 1.15 x 10 J -28 O c. 3.85 x 10 J -21 O d. 3.85 x 10 J

What is the energy of photons with a frequency of 1.943e+19 s-1? Remember Planck's constant is 6.626x10-34 J×s 1.288e-14 kJ/mol   7.755e+7 kJ/mol   7.755e+6 kJ/mol   7.755e+9 kJ/mol

Please answer four

Calculate the frequency of a photon with energy of 5.38 x 1017 J. Select the correct answer: Oa. 8.12 x 104 Hz b. 8.12 x 1016 THz Oc. 3.56 x 10-62 THz Od. 8.12 x 104 THz Oe. 3.69 x 10-9 Hz

part 1: A photon has an energy of 6.03*10-19 J. What is the frequency of this photon in MHz? part 2: Which of the following electron configurations matches the element phosphorus (P)? a.1s2 2s2 2p6 2d5 b.1s1 2s1 2p3 3s1 3p3 3d5 4s1 c.1s2 2s2 2p6 3s2 3p6 d.1s1 2s2 2p2 3s3 3p3 3d3 4s1 e.1s2 2s2 2p6 3s2 3p3 part 3: The wavelength of a certain color of light has a frequency of 8.49*1014 Hz. What is the wavelength for this color of light, in nm? Express your answer with three significant figures in scientific notation.

Ex: The Hydrogen atom electron moves from the second energy level (n=2) to the first energy level (n=1). Calculate the released energy and the wavelength caused by this movement.

18. How many photons does 3.677 × 10-20 kJ energy from green light (2. = 486.15 nm) have? Select one: O a.89.99 O b.90. C. 90.00 O d.6.022 x 10²3 e. 90

A heat lamp produces 32.8 watts of power at a wavelength of 6.5μm. How many photons are emitted per second? (1 watt = 1 J/s)

What is the wavelength of photons having an energy of 0.00417 kJ/mol. Remember Planck's constant is 6.626x10-34 J×s 2.870e+7 nm   7.911e-47 nm   2.870e+9 nm   9.214e-33 nm

What is the energy of a photon of electromagnetic radiation with a frequency of 7.5 x 1013 Hz? ( c = 3.00 × 1o 8 m/s, h= 6.63 × 10-34 J . s) a. 4.97 x 10-20J b. 1.49 х 10-11J с. 4 х 10-6] d. 2.65 x 10-39J e. 2.25 х 1022]