Heat of Vaporization

Moderators: Chem_Mod, Chem_Admin

Maria Davila 2I
Posts: 12
Joined: Fri Sep 26, 2014 2:02 pm

Heat of Vaporization

Postby Maria Davila 2I » Thu Jan 22, 2015 7:17 pm

For question 7.35 in the textbook it asks to find the enthalpy of vaporization for . What is given is the 0.579 mol of and the heat required 4.76kJ. The solution manuals offers that

Would the equation used to solve this problem be ?

Just wanted to clarify .

Justin Le 2I
Posts: 142
Joined: Fri Sep 26, 2014 2:02 pm

Re: Heat of Vaporization

Postby Justin Le 2I » Thu Jan 22, 2015 7:38 pm

Yes you could use that equation, but I think the equation that the solutions manual is easier to understand and you don't have to memorize. Enthalpies of vaporization and fusion are always given in kJ/mol, so if you use the first equation then the units make sense.

Maria Davila 2I
Posts: 12
Joined: Fri Sep 26, 2014 2:02 pm

Re: Heat of Vaporization

Postby Maria Davila 2I » Thu Jan 22, 2015 7:46 pm

Thank you Justin, that makes it easier to understand (looking at the units). Thanks !


Return to “Phase Changes & Related Calculations”

Who is online

Users browsing this forum: No registered users and 3 guests