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Explaining Why a Reaction Is Not Spontaneous

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Consider the reaction : 2(H2O)l = 2(H2)(g) + O2 (g)
This reaction has a dispersal of matter since a liquid produces two gases, yet the reaction is not spontaneous. Why is this?

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Solution Summary

The solution applies concepts of bond energy to explain why the noted reaction has a dispersal of matter and yet is not spontaneous.

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The hydrogen and oxygen combined together to form the H2O i.e., water. I water the bond between hydrogen and Oxygen is covalent bond which is quite strong and also there is weak hydrogen bond. When these bonds are ...

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Amrit Lal Ahuja, PhD (IP)
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  • BEng, Allahabad University, India
  • MSc , Pune University, India
  • PhD (IP), Pune University, India
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