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    Engr Obonukut's Avatar
    Engr Obonukut Posts: 1, Reputation: 1
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    #1

    Sep 10, 2013, 01:08 PM
    At what temperature will the root-mean-square speed of oxygen molecules have the valu
    At what temperature will the root-mean-square speed of oxygen molecules have the value of 640m/s ?
    (1 kilo-mole of oxygen has a mass of 32kg).
    neodarwinian's Avatar
    neodarwinian Posts: 74, Reputation: 1
    Junior Member
    		  
    #2

    Sep 10, 2013, 01:25 PM
    V(rms) = sqrt(3RT/M)


    Square both sides, but it seems you need velocity here.
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