Author Question: What is the change in entropy when 50 g of ice melt at 0C? A) 14.7 cal/K B) 4.0 ... (Read 57 times)

bobbysung · **on:** Jul 29, 2018

What is the change in entropy when 50 g of ice melt at 0C?

A)

14.7 cal/K

B)

4.0 kcal/K

C)

zero

D)

-4.0 kcal/K

E)

-14.7 cal/K

Question 2

Beta rays can penetrate

A)

air only.
B)

a piece of paper.
C)

several millimeters of aluminum.
D)

several centimeters of lead.
E)

several meters of iron.