(a) A freezer maintains an interior temperature inside of -22.0°C and has a coefficient of performance of 3.00. The fre...
A freezer maintains an interior temperature inside of −24.0°C and has a coefficient of performance of 3.00. The freezer sits in a room with a temperature of 19.0°C. The freezer is able to completely convert 26.0 g of liquid water at 19.0°C to ice at −24.0°C in one minute. What input power (in watts) does the freezer require? (The specific heat of liquid water is 4.186 J/(g · °C), the specific heat of ice is 2.090 J/(g · °C), and...
(a) A freezer maintains an interior temperature inside of −20.0°C and has a coefficient of performance of 3.00. The freezer sits in a room with a temperature of 15.0°C. The freezer is able to completely convert 36.0 g of liquid water at 15.0°C to ice at −20.0°C in one minute. What input power (in watts) does the freezer require? (The specific heat of liquid water is 4.186 J/(g · °C), the specific heat of ice is 2.090 J/(g · °C),...
The Interior of a freezer, operating with an ideal Carnot cycle, is at a constant of -25.0 C, and the room the freezer is in is at a temperature of 25.0 C.The freezer convert 0.636 kg of water initially at 20.0 C into ice at -25.0 C. How much input work (in kJ) is required for this process to occur? ( The specific heat of ice is 2090 J/(kg*C), the specific heat of liquid water is 4186 J/(kg*C), and latent...
A freezer has a performance coefficient k=3. The freezer is to convert 0.80 kg of water at T = 20 °C into 0.80 kg of ice at T= -10 °C in 1 hour. (a) At what rate must heat be removed from the water at 20 °C to convert it to ice at -10 °C. (b) What is the electrical power consumed by the freezer during this hour? (c) At what rate is the wasted heat rejected to the room...
What is the heat capacity of a 20.2-kg block of ice? The specific heat capacity of ice is 2.10 kJ/kg K. kJ/K It takes 880 J to raise the temperature of 350 g of lead from 0°C to 20.0°C. What is the specific heat of lead? kJ/(kg K) A heating coil inside an electric kettle delivers 3.20 kW of electric power to the water in the kettle. How long will it take to raise the temperature of 0.390 kg of...
A freezer has a coefficient of performance of 6.30. It is advertised as using 466 kWh/yr. Note: One kilowatt-hour (kWh) is an amount of energy equal to running a 1-kW appliance for one hour. (a) On average, how much energy does it use in a single day? J (b) On average, how much energy does it remove from the refrigerator in a single day? J (c) What maximum mass of water at 22.8°C could the freezer freeze in a single...
A freezer has a coefficient of performance of 2.60. The freezer is to convert 1.86 kg of water at 29.0°C to 1.86 kg of ice at -5.0 °C in 1 hour. Part A What amount of heat must be removed from the water at 29.0°C to convert it to ice at -5.0 °C? Express your answer in joules. V AEQ za x V Yx î 1X1 X:101 101 = 3.35.109 Submit Previous Answers Request Answer X Incorrect; Try Again; 3...
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...
Check my work What mass of water at 25.0°C added to a Styrofoam cup containing two 420 g ice cubes from a freezer at -18.8°C will result in a final temperature of 5.00°C for the drink? The specific heat of ice is 210 Jig K and that of water is 4.186 JOK. The latent heat of ice is 3337 Jig yoints