11. How many calories of heat are required to evaporate 50 gal of water at 100°F? How many pounds of ice at 20°F would the same amount of heat melt?
Q: 10. If 0.07 kg of ice at 0°C is added to 2.40 kg of water at 34 °C in a 0.16-kilogram aluminum…
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Q: 9. An automobile tire is inflated with air originally at 10.0 °C and normal atmospheric pressure. At…
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Q: 6. DETAILS KATZPSEF1 21.P.016. MY NOTES ASK YOUR TEACHER A block of metal of mass 0.380 kg is heated…
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Q: At 20°C, a metal cylinder has a radius of 0.03 m and a height of 1.2 x 10-² m. Calculate the…
A: Given Initial radius r = 0.03 m Height h = 1.2 × 10-2 m Initial volume V1 = π r2 h = 3.14 × (0.03)2…
Q: A 5-kg iron block released from a height of 200 m, reaches the ground at a speed of 30 m/s. What is…
A: Relation between heat transfer and temperature change is given by- Q=mc∆T, where-Q is heat transferm…
Q: 4. You have 1 kg of water and you want to use that to melt 0.1 kg of ice. What is the minimum…
A: Given data: The mass of water is m=1 kg. The mass of ice is m'=0.1 kg.
Q: 8. Say you have 1 kg of iron and 1 kg of water. You allow each of them to experience a temperature…
A: Temperature change in water and iron.
Q: rson transfer thermal energy to reduce mperature to 37.0°C in 30.0 min, assu ntinues to produce…
A: Given: Mass is 80 kg Ti=40oC Tf=37oC C=3500 J/KgoC ∆t=30 mns=1800s P=150W
Q: 1. A sample of water changes temperature from 80.0 °C to 20.0 °C. Calculate T. 2. How much energy is…
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Q: 9. A 60.0-gram lead bullet hits a steel plate, both initially at 19 °C. The bullet melts and…
A: Calculate the heat energy of the bullet. Q=mc∆T+mL=600.129327-19+6023=3763.92 J
Q: 7. Our 1 kg samples of aluminum, copper, and iron are all at 100° C and we place each in a separate…
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Q: 4. A 1.50-kg iron horseshoe initially at 600°C is dropped into a bucket containing 20.0 kg of water…
A: We assume that the water-horseshoe system is thermally isolated (insulated) from the environment for…
Q: 8. A 2.50-kg piece of aluminum that has a temperature of –150 °C is added to 1.30 kg of water that…
A: mass of aluminum (m) = 2.5 kg Initial temperature of aluminum = - 150oC mass of water = 1.30 kg…
Q: 2. On the planet Venus the temperature is 380 °C and the atmospheric pressure is 45 atm. Suppose…
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Q: 2. A concrete highway is built of slabs 13.0 m long (at 18 °C). How wide should the expansion cracks…
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Q: A block of metal of mass 0.320 kg is heated to 158.0°C and dropped in a copper calorimeter of mass…
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Q: 10. A 0.500-kg of ice is initially at temperature of -8.0 °C. How much heat is required to melt…
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Q: 12. A 0.400-kg of ice is initially at temperature of -12.0 °C. How much heat is required to melt…
A: mass of ice = 0.400 kg initial temperature of ice = -12oC final temperature = 0o C
Q: When 435 g of water at 95.2°C are mixed with 435 g of another liquid at 14.8°C, the final…
A: Heat gain = Heat lost
Q: 1. Following vigorous exercise, the body temperature of a person weighing 85 -kg is 41 °C. At what…
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Q: A copper sphere of surface area 300 sq cm and at a temperature of 427"C is plcec enclosure…
A: To find-Rate at which heat is being lost by this sphere dQdt=?Given-e=0.6σ=5.7×10-8S.I. UnitsA=300…
Q: 7. A concrete highway is built of slabs 15.0 m long (at 19 °C). How wide should the expansion cracks…
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Q: 11. A cube of ice is taken from the freezer at -12 °C and placed in a 130 g aluminum calorimeter…
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Q: 12. A 0.400-kg of water is initially at a temperature of 35.0 °C. How m heat is required to boil…
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Q: 8. You pour equal masses of liquid A and liquid B into a coffee - cup calorimeter. Liquid A starts…
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Q: 1. Following vigorous exercise, the body temperature of a person weighing 85-kg is 40 °C. At what…
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Q: 9.) A 100 lb steel casting at 2700 degrees Farenheit is placed on a 300 lb copper plate - the plate…
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Q: 3. A 25g piece of ice is placed in 400g of liqui a) How much heat must flow into the ice for i
A: The given value: The mass of the ice mice=25 g=0.025 kg The mass of the water mwater=400 g=0.40 kg…
Q: . A well-insulated styrofoam bucket contains 149 g of ice what is the final equilibrium temperature…
A: Because of heat transfer, heat gain due to ice will be equal to heat lost by steam. We will use…
Q: 1. Imagine you have 1 kg each of iron, glass, and water, and all three samples are at 10°C. The…
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Q: 5. What mass of steam at 100degree Celsius must be mixed with 250g ice at its melting point, in a…
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Q: What is the minimum amount of energy required to completely melt a 6.72 kg lead brick which has a…
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Q: A 3.25-meter steel column was placed between two concrete blocks at 20.6℃. Calculate the gap needed…
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Q: 8. A mass m = 0.046 kg of benzene vapor at its boiling point of 80.1 °C is to be condensed by mixing…
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Q: 8. A 1.80-kg piece of aluminum that has a temperature of -153 °C is added to 1.90 kg of water that…
A: mass of aluminum (M) = 1.8 kg Temperature of aluminum = - 153 degree C Therefore heat gained by…
Q: 5. A thermally isolated vessel contains 100 g of water at 0°C when air above the water is pumped…
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Q: 7. A mass m = 0.060 kg of benzene vapor at its boiling point of 80.1 °C is to be condensed by mixing…
A: Heat from benzene vapor is absorbed by water to condense benzene vapor. Q=mblv Q=mwCw∆T Equate both…
Q: 6. If 0.05 kg of ice at 0°C is added to 2.40 kg of water at 26 °C in a 0.11-kilogram aluminum…
A: According to the conservation of energy, The total heat of the system remain conserved. The heat…
Q: A piece of ice with a mass of 120 g is transferred directly from the freezer at a temperature of -8…
A: Given data: Mass of ice mi=120g=0.120kg Initial temperature of ice, Ti=-8°C Mass of water,…
Q: A man consumes 3200 kcal of food in one day, converting most of it to thermal energy to maintain…
A: Given: Energy consumed = 3200 kcal Energy lost through evaporation = 1600 kcal Latent heat of water…
11. How many calories of heat are required to evaporate 50 gal of water at 100°F? How many pounds of ice at 20°F would the same amount of heat melt?
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