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![[Post New]](/templates/default/images/icon_minipost_new.gif) 17 Feb 2008 20:59:44 IST
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What are the condition for  H reaction to be equal to H formation for the product Rates assured to all those answer this qns correctly if possibe with an example
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17 Feb 2008 21:01:20 IST
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i think when the reactants r in elemental form....
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FAILURE IS NOT FALLING IN LIFE BUT NOT RISING AGAIN AFTER FALLING!!!!!!
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BUT BECAUSE EVERYTIME THEY FALL THEY RISE AGAIN!!!!!!!
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17 Feb 2008 21:32:27 IST
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yep thats right,when reactants are only elements,
del H(rxn)=del H(pdt) - 0
eg: N2 + 3H2 -------------> 2NH3
here del H for reaction is equal to del H of formation of NH3.
hope this helps
!!!!!!!!!!!!!
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Varsha
be cool,
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so if u can dream it , u can make it .
life is an ice cream ,eat it before it melts away!!!!!!!!!
    
 
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