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Thread: Is there enough information to calculate mass of NO?

  1. #1 Is there enough information to calculate mass of NO? 
    New Member
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    May 2010
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    The equation is
    4 NH3 + 5 O2 -----> 4 NO + 6 H20;
    and all i have been told is that i start with 18L of O2, and to calculate the volume of NO produced??
    Is this possible without being told if it is at ideal conditions or not?


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  3. #2  
    Forum Ph.D.
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    Jan 2009
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    Just work it assuming everything is at STP.


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  4. #3  
    Forum Freshman
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    No, it is not possible. But you can get an answer if you pretend the reaction takes place at STP and treat NO as an ideal gas.
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  5. #4  
    Reptile Dysfunction drowsy turtle's Avatar
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    Yes it is possible (assuming NO acts as an ideal gas and that the enthalpy change of the reaction is negligible), just by using the proportion of O2:NO, since you know the initial volume of O2.
    "The major difference between a thing that might go wrong and a thing that cannot possibly go wrong is that when a thing that cannot possibly go wrong goes wrong it usually turns out to be impossible to get at or repair." ~ Douglas Adams
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