CBSE Class 11-science Answered
bond dissociation enthalpy always positive or negative. why?
Asked by rajenderdagar123 | 04 Jan, 2017, 09:16: PM
Expert Answer
Dear rajenderdagar123@gmail.com
Thanks for asking us a question in Ask the Expert section of TopperLearning.com.
The bond dissociation enthalpy is the energy needed to break one mole of the bond to give separated atoms - everything being in the gas state. As it takes energy to break a bond, dissociation enthalpies are always positive numbers.
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Topperlearning Team.
Answered by Arvind Diwale | 05 Jan, 2017, 06:57: PM
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