1. May 30, 2008 #1

   viet_jon

   

   Say your given a Compound.......
   
   1. The problem statement, all variables and given/known data
   
   Cycloppropane (C3H6) disappears and rearanges to form propane and another compound at rate of .25mol/s
   
   2. Relevant equations
   
   
   How do you know what the chemical formula for propane is? in order to find the rate propane is being produced?
   
   
   3. The attempt at a solution

    

   viet_jon, May 30, 2008
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3. May 30, 2008 #2

   Gannon

   

   Propane is one of the alkanes, which are usually memorized in basic chemistry classes, but the formula is C(n)H(2n+2), where n denotes the number of carbons. A carbon chain will have 2 hydrogens for each carbon, plus an additional one on each terminal carbon. For propane, n=3 as mentioned in the question (cyclic and non-cyclic will never change in number of carbons). Therefore 2n+2=8. The formula is C3H8.
   
   You can practice this using any alkane. Butane is C4H10. Decane is C10H22.

    

   Gannon, May 30, 2008

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