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Use the bond enthalpies and bond energies in the data book in themochemical equations to calculate the reaction enthalpy of: H2(g) +Br2(g) -> 2HBr(g)

  • chemistry -

    delta Hrxn = (n*DHf products)-(n*DHfreactants).
    n*DH reactants is zero for H2 and zero for Br2.

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