The normal boiling point of water is 100.0 C and its molar ...

[penza]

The normal boiling point of water is 100.0 C and its molar enthalpy of vaporization is 40.67 kJ/mol. What is the change in entropy in the system in J/K when 24.7 grams of steam at 1 atm condenses to a liquid at the normal boiling point?
 
  A) 88.8
  B) -88.8
  C) -150
  D) 373
  E) -40.7

Question 2

Of the following, ________ is the most volatile.
 
  A) C2H6
  B) C2I6
  C) C2Br6
  D) C2Cl6
  E) C2F6

[Animal_Goddess]

Answer to Question 1

C

Answer to Question 2

D