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answers from bond enthalpies vs. standard of formation

Posted: Sat Feb 11, 2017 5:59 pm
by Beata_Vayngortin_3L
For calculating standard molar entropy changes using bond enthalpies and standards of formation values, we get similar but different answers. Is one more accurate than the other? How can we explain this difference?

Re: answers from bond enthalpies vs. standard of formation  [ENDORSED]

Posted: Sat Feb 11, 2017 6:23 pm
by Chem_Mod
It is probably just due to slight differences in the values used which compound over time - they should, theoretically, give the same value considering enthalpy's a state function