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28 Sep 2019
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If you put 120 volts of electricity through a pickle, the picklewill smoke and start glowing an orange-yellow color. The light isemitted because the sodium ions in the pickle become excited; theirreturn to the ground state results in light emission (see Figure6.13b and Sample Exercise 6.3).
(a) The wavelength of this emitted light is 589 nm. Calculate itsfrequency.
(b) What is the energy of 0.10 mole of these photons?
(c) Calculate the energy gap between the excited and ground statesfor the sodium ion.
(d) If you soaked the pickle for a long time in a different saltsolution, such as strontium chloride, would you still observe 589nm light emission? Why or why not?
6.22
If you put 120 volts of electricity through a pickle, the picklewill smoke and start glowing an orange-yellow color. The light isemitted because the sodium ions in the pickle become excited; theirreturn to the ground state results in light emission (see Figure6.13b and Sample Exercise 6.3).
(a) The wavelength of this emitted light is 589 nm. Calculate itsfrequency.
(b) What is the energy of 0.10 mole of these photons?
(c) Calculate the energy gap between the excited and ground statesfor the sodium ion.
(d) If you soaked the pickle for a long time in a different saltsolution, such as strontium chloride, would you still observe 589nm light emission? Why or why not?
If you put 120 volts of electricity through a pickle, the picklewill smoke and start glowing an orange-yellow color. The light isemitted because the sodium ions in the pickle become excited; theirreturn to the ground state results in light emission (see Figure6.13b and Sample Exercise 6.3).
(a) The wavelength of this emitted light is 589 nm. Calculate itsfrequency.
(b) What is the energy of 0.10 mole of these photons?
(c) Calculate the energy gap between the excited and ground statesfor the sodium ion.
(d) If you soaked the pickle for a long time in a different saltsolution, such as strontium chloride, would you still observe 589nm light emission? Why or why not?
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Elin HesselLv2
28 Sep 2019
21 Oct 2020
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