6. Thermodynamics and Kinetics - Part 1 of 2
6. Thermodynamics and Kinetics / Enthalpy / Problem 9
Refer to the information given in the table below. Provide the heat of hydrogenation (∆H°hydr) for each step involved in the reduction of allylbenzene.
![Diagram showing steps of hydrogenation of allylbenzene with unknown enthalpy values.](https://static.studychannel.pearsonprd.tech/courses/organic-chemistry/thumbnails/cb89436b-ae06-4b72-9f1e-91f4ac33caa9)
∆H°hydr (Step 1) + ∆H°hydr (Step 2) + ∆H°hydr (Step 3) + ∆H°hydr (Step 4) = ∆H°tot = –78.2 kcal/mol (–328 kJ/mol)
![Table displaying heat of hydrogenation values for different alkenes in kcal/mol and kJ/mol.](https://lightcat-files.s3.amazonaws.com/problem_images/399a09cfa1dc4a2b-1694448139615.jpg)
Learn this concept