Answer the following questions regarding light and its interactions with molecules, atoms and ions. Photon Higher PE atoms In addition to exciting electrons in atoms, photons similarly can break covalent bonds that hold atoms together in a molecule. So photops can be used to initiate chemical reactions. (a) A wavelength of a photon with smallest possible energy required to break the H-Br bond in HBr(g) is 321 nm, which would be in the ✓ range. (i) Calculate the frequency of the photon with a wavelength of 321 nm. Molecule (ii) Calculate the energy of a photon with a wavelength of 321 nm. (iii) Calculate the minimum energy, in J mol-1, of the H-Br bond. number of H-Br bonds in one mole of HBr J/mol energy required to break one mole of H-Br bonds kJ/mol energy required to break one mole of H-Br bonds radio red ultraviolet infrared microwave violet
Answer the following questions regarding light and its interactions with molecules, atoms and ions. Photon Higher PE atoms In addition to exciting electrons in atoms, photons similarly can break covalent bonds that hold atoms together in a molecule. So photops can be used to initiate chemical reactions. (a) A wavelength of a photon with smallest possible energy required to break the H-Br bond in HBr(g) is 321 nm, which would be in the ✓ range. (i) Calculate the frequency of the photon with a wavelength of 321 nm. Molecule (ii) Calculate the energy of a photon with a wavelength of 321 nm. (iii) Calculate the minimum energy, in J mol-1, of the H-Br bond. number of H-Br bonds in one mole of HBr J/mol energy required to break one mole of H-Br bonds kJ/mol energy required to break one mole of H-Br bonds radio red ultraviolet infrared microwave violet
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:Answer the following questions regarding light and its interactions with molecules, atoms and ions.
Photon
m
Molecule
um
Higher PE atoms
In addition to exciting electrons in atoms, photons similarly can break covalent bonds that hold atoms together in a molecule. So photons can be used to initiate chemical reactions.
(a) A wavelength of a photon with smallest possible energy required to break the H-Br bond in HBr(g) is 321 nm, which would be in the
✓range.
(i) Calculate the frequency of the photon with a wavelength of 321 nm.
(ii) Calculate the energy of a photon with a wavelength of 321 nm.
(iii) Calculate the minimum energy, in J mol-¹, of the H-Br bond.
number of H-Br bonds in one mole of HBr
J/mol energy required to break one mole of H-Br bonds
kJ/mol energy required to break one mole of H-Br bonds
radio
red
ultraviolet
infrared
microwave
violet
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