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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?

    © BrainMass Inc. brainmass.com November 29, 2021, 11:55 pm ad1c9bdddf
    https://brainmass.com/chemistry/energetics-and-thermodynamics/9730

    Solution Preview

    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 ...

    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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