Chapter 18: Q3P (page 456)

Calculate the frequency (Hz), wavelength $({cm}^{- 1})$ , and energy (J/photon and J/mols of photon]) of visible light with a wavelength of 562 nm.

Short Answer

Expert verified

The answer to the above question is,

(a).The frequency is $v = 5.34 . 10^{14} hz \tilde{v}$

(b).The wavenumber is $\tilde{v} = 1.78 . 10^{4} {cm}^{- 1}$

(c). The energy is $E = 213075 J / mol$

Step by step solution

Calculate frequency:

$v = \frac{c}{λ} = \frac{3 . 10^{8} m / S^{2}}{562 . 10^{- 9} m} v = 5.34 . 10^{14} Hz$

Calculate wavenumber:

$\tilde{v} = \frac{1}{λ} = \frac{1}{562 . 10^{- 9} m} \tilde{v} = 1.78 . 10^{6} m^{- 1} \tilde{v} = 1.78 . 10^{4} {cm}^{- 1}$

Calculate Energy:

$E = h . v = 6.626 . 10^{- 34} Js . 534 . 10^{14} Hz E = 3.54 . 10^{- 19} J / photons E = 3.54 . 10^{- 19} J . 6.022 . 10^{23} {mol}^{- 1} E = 213075 J / mol$

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Calculate the frequency (Hz), wavelength $({cm}^{- 1})$ , and energy (J/photon and J/mols of photon]) of visible light with a wavelength of 562 nm.

Short Answer

Step by step solution

Calculate frequency:

Calculate wavenumber:

Calculate Energy:

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Calculate the frequency (Hz), wavelength(cm-1), and energy (J/photon and J/mols of photon]) of visible light with a wavelength of 562 nm.

Short Answer

Step by step solution

Calculate frequency:

Calculate wavenumber:

Calculate Energy:

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Chemistry Textbooks

Nuclear Chemistry

The Earths Atmosphere

Inorganic Chemistry

Chemistry Branches

Ionic and Molecular Compounds

Organic Chemistry

Study anywhere. Anytime. Across all devices.

Calculate the frequency (Hz), wavelength $({cm}^{- 1})$ , and energy (J/photon and J/mols of photon]) of visible light with a wavelength of 562 nm.