Author Question: When 0.50 kg of water at 0C freezes, what is the change in entropy of the water? The latent heat of ... (Read 65 times)

melly21297 · **on:** Jul 29, 2018

When 0.50 kg of water at 0C freezes, what is the change in entropy of the water? The latent heat of fusion of water is 33,400 J/kg.

A) 0 J/K B) -17,000 J/K C) -610 J/K D) 17,000 J/K E) 610 J/K

Question 2

If the magnetic field in a traveling electromagnetic wave has a maximum value of 16.5 nT, what is the maximum value of the electric field associated with this wave? (c = 3.00 108 m/s)

A) 5.5 10-17 V/m
B) 4.95 V/m
C) 0.495 V/m
D) 55.0 10-16 V/m
E) 55.0 10-15 V/m