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

question 68

Multiple Choice

Calculate the H-Br bond enthalpy given the standard enthalpies of formation for HBr(g) ,H(g) ,and Br(g) : 36.2,218,and 112 kJmol^1,respectively.

• A)320 kJ  mol ^{ 1}
• B)366 kJ  mol ^{ 1}
• C)124 kJ  mol ^{ 1}
• D)284 kJ  mol ^{ 1}
• E)196 kJ  mol ^{ 1}

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