Answer to Question #201116 in Physics for wasaya

Question

A 40g sample of chloroform is condensed from a vapor to a liquid at 61.6 degree Celsius. It releases 9870 J of thermal energy. What is the heat of vaporization of chloroform?

Single choice.

Answer 1

$Q=\lambda m\to \lambda=Q/m=9870/0.04=246750\ (J)\approx2.47\cdot10^5 \ (J/kg)$ . Answer