8. Thermochemistry
Thermochemical Equations
8. Thermochemistry Thermochemical Equations
2PRACTICE PROBLEM
The term "alcohol" generally refers to the compound ethanol C2H5OH (or ethyl alcohol). The heat of vaporization for ethanol is 38.6 kJ/mol. If the combustion of ethanol is carried out in an adiabatic calorimeter, can its boiling point be measured? How much energy (in kJ units) is required to evaporate 15.4 g of ethanol at its boiling point from the liquid state to the gaseous state? The density of liquid ethanol is 0.790 g/mL.
The term "alcohol" generally refers to the compound ethanol C2H5OH (or ethyl alcohol). The heat of vaporization for ethanol is 38.6 kJ/mol. If the combustion of ethanol is carried out in an adiabatic calorimeter, can its boiling point be measured? How much energy (in kJ units) is required to evaporate 15.4 g of ethanol at its boiling point from the liquid state to the gaseous state? The density of liquid ethanol is 0.790 g/mL.