Saturday
December 10, 2016

Homework Help: Chem- Dr bob! or GK!

Posted by Rachelle on Saturday, November 29, 2008 at 11:04pm.

Calculate the energy that must be removed to convert substance X from a gas at 116°C to a solid -44.6°C. Assume X has a molar mass of 75.0 g/mol.


ÄHvap 20. kJ/mol
C(s) 3.0 J/g·°C
ÄHfus 5.0 kJ/mol
C(l) 2.5 J/g·°C
bp 75°C
C(g) 1.0 J/g·°C
mp -15°C


please help! what formulas do i use?

Answer This Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions