Calculate the Average H-S Bond Enthalpy in H₂S(g)given the Standard

question 66

Multiple Choice

Calculate the average H-S bond enthalpy in H₂S(g) given the standard enthalpies of formation for H₂S(g) ,H(g) ,and S(g) : 20.1,218,and 223 kJmol^1,respectively.

• A)340 kJ  mol ^{ 1}
• B)231 kJ  mol ^{ 1}
• C)10.1 kJ  mol ^{ 1}
• D)679 kJ  mol ^{ 1}
• E)461 kJ  mol ^{ 1}

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