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    Calculate delta S for the reaction

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    Calculate delta S for the reaction: 4 Cr(s) + 3 O2(g) yields 2 Cr2O3(s)

    Substance Cr(s) O2(g) Cr2O3(s)
    S (J/K mol) 23.77 205.138 81.2

    © BrainMass Inc. brainmass.com October 9, 2019, 5:33 pm ad1c9bdddf
    https://brainmass.com/chemistry/energetics-and-thermodynamics/calculate-delta-s-reaction-60789

    Solution Preview

    First write the balanced reaction
    4Cr(s) + 3O2(g) = 2Cr2O3(s)

    When calculating deltaS, use the formulae:
    deltaS=Sum ...

    Solution Summary

    The solution provides step-by-step explanations on how to calculate the entropy change of reaction.

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