Homework answers / question archive /  Calculate the enthalpy of decomposing hydrogen iodide to produce hydrogen and iodine

 Calculate the enthalpy of decomposing hydrogen iodide to produce hydrogen and iodine

Chemistry

Share With

 Calculate the enthalpy of decomposing hydrogen iodide to produce hydrogen and iodine. 2HI(8) -> 12(5) + H2(E) 2(5) -> 12(8) AH' = 124.8 kJ/mol 12(g) + H2(g) => 2HI(8) AH" = - 73.0 kJ/mol ( 51.8 kJ/mol O 197.8 kJ/mol O - 197.8 kJ/mol O - 51.8 kJ/mol