One kilogram of chilled water (0°C) is placed in a freezer which is kept at 0°F...
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One kilogram of chilled water (0°C) is placed in a freezer
which is kept at 0°F...
A 0.250-kg aluminum bowl holding 0.800 kg of soup at 25.0°C is placed in a freezer....
A 0.250-kg aluminum bowl holding 0.800 kg of soup at 25.0°C is placed in a freezer. What is the final temperature if 424 k) of energy is transferred from the bowl and soup? Assume the soup has the same thermal properties as that of water, the specific heat of the liquid soup is 1.00 kcal/(kg. °C), frozen soup is 0.500 kcal/(kg. °C), and the latent heat of fusion is 79.8 kcal/kg. The specific heat of aluminum is 0.215 kcal/(kg ....
A 0.250-kg aluminum bowl holding 0.800 kg of soup at 26.0°C is placed in a freezer....
A 0.250-kg aluminum bowl holding 0.800 kg of soup at 26.0°C is placed in a freezer. What is the final temperature if 422 kJ of energy is transferred from the bowl and soup? Assume the soup has the same thermal properties as that of water, the specific heat of the liquid soup is 1.00 kcal/(kg · °C), frozen soup is 0.500 kcal/(kg · °C), and the latent heat of fusion is 79.8 kcal/kg. The specific heat of aluminum is 0.215...
A cube of ice is taken from the freezer at -7.5 °C and placed in a...
A cube of ice is taken from the freezer at -7.5 °C and placed in a 95-g aluminum calorimeter filled with 330 g of water at room temperature of 20.0 °C. The final situation is observed to be all water at 16.0 °C. The specific heat of ice is 2100 J/kg · Cº, the specific heat of aluminum is 900 J/kg . C°, the specific heat of water is is 4186 J/kg . C°, the heat of fusion of water...
4-10. The latent heat of fusion of ice is 333 kJ/kg. In the freezer compartment of...
4-10. The latent heat of fusion of ice is 333 kJ/kg. In the freezer compartment of a refrigerator, a tray holds 12 cubes of water each of mass 8.0 g. If the C.O.P. of the refrigerator is 3.3. how many kilowatt-hours of electrical energy would be required to run the refrigerator to change the water cubes (at 0°C) into ice cubes (at 0°C)?
A cube of ice is taken from the freezer at -5.5 degree C and placed in...
A cube of ice is taken from the freezer at -5.5 degree C and placed in a 85-g aluminum calorimeter filled with 330 g of water at room temperature of 20.0 degree C. The final situation is observed to be all water at 16.0 degree C. The specific heat of ice is 2100 J/kg C degree, the specific heat of aluminum is 900 J/kg C degree, the specific heat of water is is 4186 J/kg. C degree, the heat of...
A cube of ice is taken from the freezer at -9.5 ∘C and placed in a...
A cube of ice is taken from the freezer at -9.5 ∘C and placed in a 75-g aluminum calorimeter filled with 330 g of water at room temperature of 20.0 ∘C. The final situation is observed to be all water at 17.0 ∘C. The specific heat of ice is 2100 J/kg⋅C∘, the specific heat of aluminum is 900 J/kg⋅C∘, the specific heat of water is is 4186 J/kg⋅C∘, the heat of fusion of water is 333 kJ/Kg. What was the...
m Rev A Carnot freezer that runs on electricity removes heat from the freezer compartment, which...
m Rev A Carnot freezer that runs on electricity removes heat from the freezer compartment, which is at -10°C and expels it into the room at 25°C. You put an ice-cube tray containing 425 g of water at 12 C into the freezer. Part A What is the coefficient of performance of this freezer? AZOO ? K = Submit Request Answer Part B How much energy is needed to freeze this water? Assume at the end of the process all...
A 0.250-kg aluminum bowl holding 0.800 kg of soup at 30.8 C is placed in a...
A 0.250-kg aluminum bowl holding 0.800 kg of soup at 30.8 C is placed in a freezer. What is the final temperature if 402 kJ of energy is transferred from the bowl and soup to the surroundings? Assume the soup has the same thermal properties as that of water, the specific heat of the liquid soup is 1.00 kcal/(kg·°C), frozen soup is 0.500 kcal/(kg·°C), and the heat of fusion is 79.8 kcal/kg. The specific heat of aluminum is 0.215 kcal/(kg·°C)...
please answer the 2 questions :) Question 8 A tank of water has been outdoors in...
please answer the 2 questions :)
Question 8 A tank of water has been outdoors in cold weather, and a slab of ice 3.9 cm thick has formed on its surface (see the figure). The air above the ice is at 13°C. Calculate the rate of formation of ice (in centimeters per hour) on the ice slab. Take the thermal conductivity of ice to be 0.0040 cal/s cm-C°, its density to be 0.92 g/cm3, and its latent heat of fusion...
in a closed container 20 g of steam at 100 deg C is mixed with 150...
in a closed container 20 g of steam at 100 deg C is mixed with 150 g of ice at 0 deg C. No heat is lost to the container and the final mixture is all water Cwater =4190 J/Kg/C Cice = 2090 J/Kg/C Csteam = 1996 J/Kg/C . The latent of heat of fusion of water is 3.33 x 10^5 J/Kg and the latent heat of vaporization of water is 22.6 x 10^6 J/Kg a. How many changes...
A 0.250-kg aluminum bowl holding 0.800 kg of soup at 25.0°C is placed in a freezer. What is the final temperature if 424 k) of energy is transferred from the bowl and soup? Assume the soup has the same thermal properties as that of water, the specific heat of the liquid soup is 1.00 kcal/(kg. °C), frozen soup is 0.500 kcal/(kg. °C), and the latent heat of fusion is 79.8 kcal/kg. The specific heat of aluminum is 0.215 kcal/(kg ....
A cube of ice is taken from the freezer at -7.5 °C and placed in a 95-g aluminum calorimeter filled with 330 g of water at room temperature of 20.0 °C. The final situation is observed to be all water at 16.0 °C. The specific heat of ice is 2100 J/kg · Cº, the specific heat of aluminum is 900 J/kg . C°, the specific heat of water is is 4186 J/kg . C°, the heat of fusion of water...
4-10. The latent heat of fusion of ice is 333 kJ/kg. In the freezer compartment of a refrigerator, a tray holds 12 cubes of water each of mass 8.0 g. If the C.O.P. of the refrigerator is 3.3. how many kilowatt-hours of electrical energy would be required to run the refrigerator to change the water cubes (at 0°C) into ice cubes (at 0°C)?
A cube of ice is taken from the freezer at -5.5 degree C and placed in a 85-g aluminum calorimeter filled with 330 g of water at room temperature of 20.0 degree C. The final situation is observed to be all water at 16.0 degree C. The specific heat of ice is 2100 J/kg C degree, the specific heat of aluminum is 900 J/kg C degree, the specific heat of water is is 4186 J/kg. C degree, the heat of...
m Rev A Carnot freezer that runs on electricity removes heat from the freezer compartment, which is at -10°C and expels it into the room at 25°C. You put an ice-cube tray containing 425 g of water at 12 C into the freezer. Part A What is the coefficient of performance of this freezer? AZOO ? K = Submit Request Answer Part B How much energy is needed to freeze this water? Assume at the end of the process all...
A 0.250-kg aluminum bowl holding 0.800 kg of soup at 30.8 C is placed in a freezer. What is the final temperature if 402 kJ of energy is transferred from the bowl and soup to the surroundings? Assume the soup has the same thermal properties as that of water, the specific heat of the liquid soup is 1.00 kcal/(kg·°C), frozen soup is 0.500 kcal/(kg·°C), and the heat of fusion is 79.8 kcal/kg. The specific heat of aluminum is 0.215 kcal/(kg·°C)...
please answer the 2 questions :)
Question 8 A tank of water has been outdoors in cold weather, and a slab of ice 3.9 cm thick has formed on its surface (see the figure). The air above the ice is at 13°C. Calculate the rate of formation of ice (in centimeters per hour) on the ice slab. Take the thermal conductivity of ice to be 0.0040 cal/s cm-C°, its density to be 0.92 g/cm3, and its latent heat of fusion...
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