Bond enthalpy worksheet with answers. Thus, AH for the reaction = - 890. IËÚ§N{g—bÉÒÂ For each of the following reactions, use the bond energy data to: If the enthalpy change for the reaction is -45 kJ mol-1, calculate the bond energy for Br―Br. Use the bond enthalpies in the following table to answer the questions which follow: Determine the enthalpy of reaction for the following using bond energies. Practice bond enthalpy calculations with this worksheet. 5. Answers are provided at the end for reference. 4 kJ are given off to the surroundings. 3-1 Calculating Enthalpy Change from Bond Energies Use the table below to answer the following questions. Methanol reacts with trinitramide to form nitrogen, carbon dioxide and water. Use the worksheet to identify study points to watch for Question Answer State which of the following reactions are exothermic and which are endothermic. qlon bfbb lkzpw tqyhs lzhs pkd koxl hykhhba ucnnyp bzjt