Which has the larger entropy: a gas that occupies only half of a ...

[jeatrice]

Which has the larger entropy: a gas that occupies only half of a container, with the other half a vacuum, or the same gas occupying the entire container?
 
  What will be an ideal response?

Question 2

A light ray, traveling parallel to the axis of a convex thin lens, strikes the lens near its midpoint. After traveling through the lens, this ray emerges traveling obliquely to the axis of the lens
 
  A)
 
  such that it never crosses the axis.
  B)
 
  crossing the axis at a point equal to twice the focal length.
  C)
 
  crossing the axis at a point equal to one-half the focal length.
  D)
 
  passing between the lens and its focal point.
  E)
 
  passing through its focal point.

[JYan]

Answer to Question 1

the gas occupying the entire container

Answer to Question 2

E

[jeatrice]

Thanks for the timely response, appreciate it

[diana chang]

Excellent