Chemistry
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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The energy of light photons varies with wavelength. Calculate the energy per mole of photons for each of the given colors of
visible light.
red light, A = 727 nm
E =
kJ
mol
kJ
green light, A = 537 nm
E =
mol
blue light, A = 407 nm
E =
kJ
mol
Splitting liquid water into hydrogen and oxygen requires an input of 286 kJ/mol.
286 kJ + H,O(1) → H,(g) + ¿O2(g)
Assuming a mechanism existed in which one photon of light could split one molecule of water, which color of visible light
has enough energy to carry out this reaction?
red
green
blue
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Transcribed Image Text:The energy of light photons varies with wavelength. Calculate the energy per mole of photons for each of the given colors of visible light. red light, A = 727 nm E = kJ mol kJ green light, A = 537 nm E = mol blue light, A = 407 nm E = kJ mol Splitting liquid water into hydrogen and oxygen requires an input of 286 kJ/mol. 286 kJ + H,O(1) → H,(g) + ¿O2(g) Assuming a mechanism existed in which one photon of light could split one molecule of water, which color of visible light has enough energy to carry out this reaction? red green blue
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