1. Is this reaction endothermic or exothermic?

2. Describe the direction of heat flow in terms of the system and surroundings.

3. What is the enthalpy of reaction for the decomposition of A2B in kJ/mol?

The decomposition of A,B is shown by the equation: A,B + A + 2B Two possible reaction pathways are shown below in the diagram: Path One Potential Energy 220 kJ/mol 60 kJ/mol Path Two 120 kJ/molo Reaction Progress