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    jdziegler's Avatar
    jdziegler Posts: 22, Reputation: 1
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    #1

    Apr 1, 2009, 09:42 PM
    Argon laser emits a blue beam with wavelength
    An argon ion laser emits a beautiful blue beam with a wavelength of 488.0 nm. What is the energy per mole of photons emitted?
    Capuchin's Avatar
    Capuchin Posts: 5,255, Reputation: 656
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    #2

    Apr 2, 2009, 12:24 AM

    Just use to work out the energy of one photon, and then multiply up to a mole of photons.

    Where are you having the problem?
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    jdziegler Posts: 22, Reputation: 1
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    #3

    Apr 2, 2009, 08:33 AM
    Im having trouble calculating it up to mole per photons or mole of photons..
    Capuchin's Avatar
    Capuchin Posts: 5,255, Reputation: 656
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    #4

    Apr 2, 2009, 09:03 AM

    A mole is simply a number of discrete objects equal to avagadro's number. Does that help?
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    jdziegler Posts: 22, Reputation: 1
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    #5

    Apr 2, 2009, 10:18 AM
    so does that mean you times the answer you get in the equation by 6.022 *10^23 moles?
    Capuchin's Avatar
    Capuchin Posts: 5,255, Reputation: 656
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    #6

    Apr 2, 2009, 12:10 PM

    no, by 6.022*10^23 photons.
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