8. Thermochemistry
Enthalpy of Formation
6PRACTICE PROBLEM
The reaction of isobutylene (C4H8) with ethanol (C2H6O) produces ethyl tert-butyl ether (C6H14O).
![](https://lightcat-files.s3.amazonaws.com/problem_images/37313950a62ba0a2-1669738147391.jpg)
ΔH°f, C6H14O = —350.8 kJ/mol
ΔH°f, C2H6O = —269.29 kJ/mol
ΔH°rxn = —4044 kJ/mol
What is the ΔH°f for isobutylene in kJ/mol?
The reaction of isobutylene (C4H8) with ethanol (C2H6O) produces ethyl tert-butyl ether (C6H14O).
ΔH°f, C6H14O = —350.8 kJ/mol
ΔH°f, C2H6O = —269.29 kJ/mol
ΔH°rxn = —4044 kJ/mol
What is the ΔH°f for isobutylene in kJ/mol?