How much energy does a sample of 1000 photons at a wavelength of 250 nm have? (h=6.626 x 10-34 J*s)

How much energy does a sample of 1000 photons at a wavelength of 250 nm have?...
What is the energy of a mole of photons that have a wavelength of 531 nm? (h = 6.626 × 10⁻³⁴ J • s and c = 3.00 × 10⁸ m/s)
Question 17 of 20 Submit What is the energy of a mole of photons that have a wavelength of 683 nm? (h = 6.626 x 10-34 Jos and c = 3.00 x 108 m/s) 4 5 8 7 +/- 9 0 x 100 Tap here or pull up for additional resources
How much energy does a photon of blue light with a wavelength of 465 nm have? How much energy does a photon of red light with a wavelength of 663 nm have? Photons of which color of light (red or blue) have greater energy? red or blue
Question 3 of 9 Submit What is the energy of a mole of photons that have a wavelength of 701 nm? (n = 6.626 x 10-34 J.S and c = 3.00 x 108 m/s) 1 2 3 +/- 0 x 100 Tap here or pull up for additional resources
Calculate the energy of a photon with a wavelength of 350 nm. h = 6.626 x 10^-34 J x s c = 3.00 x 10^8 m/s
What is the wavelength (in m) of photons with the energy observed at 90.5 kJ/mol? (Plank’s constant = 6.626 x 10-34 J s)
A laser source has an energy of 1.85 kJ from a radiation of 450 nm, how many photons were in the source? (h = 6.626 x 10-34 J*s-1 and c = 3 x 108 m/s)
1) If photons have a frequency of 1.43x1015 s-1, what wavelength does this correspond to? Use units of nm. 2) A laser is emitting photons with a wavelength of 620.2 nm. What is the energy for 1 mole of these photons? For Planck's constant, use a value of 6.626x10-34 J s. Use units of kJ/mol.
Question 17 of 20 Submit What is the energy of a mole of photons that have a wavelength of 587 nm? (n = 6.626 x 10-34 Jos and c = 3.00 x 108 m/s) (1 2 3 +/- 0 x 100 Tap here or pull up for additional resources
What is the wavelength of light (in nm) if 1.21x1021 photons have a total energy of 465 J?