32. An icemaker uses the heat change from evaporation of a refrigerant to freeze water. How...

Question

Question

Answer 1

Answer #1

Given 334 Jig heat of fusion of water, AH 209 g mass of water,m = Initi al temperature of water is 0 °C Amount of energy requ

Answer 2

Similar Homework Help Questions

156. The heat of vaporization of a certain refrigerant is 148 J/g. Calculate the number of...

156. The heat of vaporization of a certain refrigerant is 148 J/g. Calculate the number of kilograms of refrigerant that must be evaporated to freeze a tray of 16 one-ounce (1 oz = 28 g) ice cubes starting with the water at 15°C. Heat capacity (water) = 4.184 J/g °C AH fusion (water) = 333 J/g
What mass of this substance must evaporate to freeze 210 g of water initially at 24...

What mass of this substance must evaporate to freeze 210 g of water initially at 24 ∘C? (The heat of fusion of water is 334 J/g; the specific heat of water is 4.18 J/(g⋅K).)
Compounds like CCl2F2 are known as chlorofluorocarbons, or CFCs. These compounds were once widely used as...

Compounds like CCl2F2 are known as chlorofluorocarbons, or CFCs. These compounds were once widely used as refrigerants but are now being replaced by compounds that are believed to be less harmful to the environment. The heat of vaporization of CCl2F2 is 289 J/g. What mass of this substance (in grams) must evaporate in order to freeze 250 g of water initially at 15 ?C? (The heat of fusion of water is 334 J/g; the specific heat of water is 4.18...

How many grams of ice at -15°C must be added to 705 grams of water that...

How many grams of ice at -15°C must be added to 705 grams of water that is initially at a temperature of 88°C to produce water at a final temperature of 11°C. Assume that no heat is lost to the surroundings and that the container has negligible mass. The specific heat of liquid water is 4190 J/kg·C° and of ice is 2050 J/kg·C°. For water the normal melting point is 0.00°C and the heat of fusion is 334 × 103...
Heat is added to a 1 kg piece of ice at a rate of 730 kW....

Heat is added to a 1 kg piece of ice at a rate of 730 kW. How long will it take for the ice to melt if it was initially at 0.00°C? (The latent heat of fusion for water is 334 kJ/kg and its latent heat of vaporization is 2260 kJ/kg.) Answer in two decimal places.
a metal we wel also use fusim 1 w Pose heat ice to determine in heat...

a metal we wel also use fusim 1 w Pose heat ice to determine in heat 8 Specific Heat of Metal Unknown Letter Mass of metal (g) Mass of water (g) (1.00 g = 1.00 mL) Z 29.55g Initial temperature of metal (°C) (Equals temperature of the boiling water) Final temperature of metal (°C) AT of metal (°C) Initial temperature of water in calorimeter (°C) 98°C 25°C 13°C 21° c 25°C 40C Final temperature of water in calorimeter (°C) AT...

Using the heat of fusion for water 334 J/g the heat of vaporization for water 2260...

Using the heat of fusion for water 334 J/g the heat of vaporization for water 2260 J / g and fhe specific heat of water 4.184 J/g C calculate the total amount of heat for each of the following Using the heat of fusion for water, 334 J/g. the heat of vaporication for water 2260 J/6, and the specific heat of water, 4 184J/g °C, calculate the total amount of heat for each of the following Part A joules released...
Calculate the entropy change of the system and of the su water freeze reversibly at 1.00...

Calculate the entropy change of the system and of the su water freeze reversibly at 1.00 atm. The freezing temper the specific enthalpy change of fusion is -79.7 cal g at this pressure is 0.00 C while 8 pts)
The constants for H2O are shown here: Specific heat of ice: sice=2.09 J/(g⋅∘C) Specific heat of...

The constants for H2O are shown here: Specific heat of ice: sice=2.09 J/(g⋅∘C) Specific heat of liquid water: swater=4.18 J/(g⋅∘C) Enthalpy of fusion (H2O(s)→H2O(l)): ΔHfus=334 J/g Enthalpy of vaporization (H2O(l)→H2O(g)): ΔHvap=2250 J/g Part A How much heat energy, in kilojoules, is required to convert 73.0 g of ice at −18.0 ∘C to water at 25.0 ∘C ? Express your answer to three significant figures and include the appropriate units. 6.56 kJ is incorrect.

Please answer clearly & correctly. Selected properties of water Heat of fusion at the normal melting...

Please answer clearly & correctly. Selected properties of water Heat of fusion at the normal melting point: The heat of vaporization at the normal boiling point: Liquid water: 333.55 J/g 2257 J/g Cp = 1.00 cal/(g. K) = 4.184 J/(g. K) or 75.33 J/(mole. K) ρ= 1 .000 g/cm3 Cp = 2.05 J/(g. K) or 38, l J/(mole K) ρ=0.917 g/cm3 Water ice at 0°C and 1 atm Heat capacity of water vapor, H20(g) Cvm 28.03 J/(mol-K).