Calculate the Br-Br Bond Enthalpy Given the Standard Enthalpies of Formation

question 76

Multiple Choice

Calculate the Br-Br bond enthalpy given the standard enthalpies of formation for Br₂(g) and Br(g) ,30.7 and 112 kJmol^1,respectively.

• A)193 kJ  mol ^{ 1}
• B)255 kJ  mol ^{ 1}
• C)143 kJ  mol ^{ 1}
• D)81 kJ  mol ^{ 1}
• E)30.7 kJ  mol ^{ 1}

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