30 grams of ice cube at 0 deg C melts into water on the kitchen table and in a little bit, the water from the melted ice
Posted: Sat Feb 26, 2022 11:48 am
30 grams of ice cube at 0 deg C melts into water on the kitchen
table and in a little bit, the water from the melted ice reaches
the temperature of the room, which is 25 deg C. The ice-water
absorbs heat from the kitchen and the kitchen gives up the amount
of heat. What are the entropy changes for the ice-water and the
kitchen? (Latent heat of ice = 333 J/g, specific heat capacity of
water = 4.186 J/g.K)
a) 25J/K, -20 J/K
b) 25J/K, -25 J/K
c) 30 J/K, -20 J/K
d) 46.6 J/K, -44.1 J/K
table and in a little bit, the water from the melted ice reaches
the temperature of the room, which is 25 deg C. The ice-water
absorbs heat from the kitchen and the kitchen gives up the amount
of heat. What are the entropy changes for the ice-water and the
kitchen? (Latent heat of ice = 333 J/g, specific heat capacity of
water = 4.186 J/g.K)
a) 25J/K, -20 J/K
b) 25J/K, -25 J/K
c) 30 J/K, -20 J/K
d) 46.6 J/K, -44.1 J/K