One kilogram of chilled water (0C) is placed in a freezer which ...

[ss2343]

One kilogram of chilled water (0C) is placed in a freezer which is kept at 0F (-18C). Approximately how much electric energy (in kilocalories) is needed just to freeze the water if the room temperature is maintained at 75F (24C)? (Lice = 333 J/g; cice = 209 J/gC.)
 a. 11
  b. 15
  c. 16
  d. 13
  e. 33

Question 2

One kilogram of chilled water at 32F (0C) is placed in a freezer which is kept at 0F (-18C). Approximately how much electric energy (in kilocalories) is needed to operate the compressor to cool this water to 0F if the room temperature is maintained at 75F (24C)? (Lice = 3.33  105 J/kg; cice = 2.09  103 J/kgC)
 a. 13
  b. 1.5
  c. 15
  d. 16
  e. 33

[Athena23]

Answer to Question 1

D

Answer to Question 2

C

[ss2343]

Both answers were spot on, thank you once again

[Athena23]

Great! Please up vote