Author Question: How much heat must be removed from 456 g of water at 25.0C to change it into ice at -10.0C? The ... (Read 14 times)

krzymel · **on:** Jul 27, 2018

How much heat must be removed from 456 g of water at 25.0C to change it into ice at -10.0C? The specific heat of ice is 2090 J/(kg K) and the latent heat of fusion of water is 33.5 104 J/kg.

A) 105 kJ
B) 153 kJ
C) 57.3 kJ
D) 47.7 kJ
E) 210 kJ

Question 2

Which of the following doesn't have ohm units?

A) L
B) C
C) R
D) (XcXc)/R
E) (XL - XC)