When 0.50 kg of ice freezes, the change in entropy is
A)
zero.
B)
365 J/K.
C)
610 J/K.
D)
-610 J/K.
E)
none of the above
Question 2
An object, placed 12.0 cm from a lens, produces an image with a magnification of 5.0. What is the focal length of the lens?
A)
24 cm
B)
18 cm
C)
60 cm
D)
15 cm
E)
9 cm