9. an ice tray contains 800 g of liquid water at 0°c. calculate the change in entropy of the water as it
freezes slowly and completely at 0°c. the latent heat of fusion is l= 333 kj/kg.
a. -975.8 j/k
b. -623.2 j/k
c.975.8 j/k
d. 623.2 j/k

A6.0-μf air-filled capacitor is connected across a 100-v voltage source. after the source fully charges the capacitor, the capacitor is immersed in transformer oil (of dielectric constant 4.5). how much additional charge flows from the voltage source, which remained connected during the process?