What mass of steam at 100°C must be added to 1.00 kg of ice at 0°C to yield liquid water at 20 °C? The heat of fusion for water is 333 kJ/kg, the specific heat is 4186 J/kg · C° the heat of vaporization is 2260 kJ/kg. Express your answer to two significant figures and include the appropriate units. HÀ Value Units m =

What mass of steam at 100°C must be added to 1.00 kg of ice at 0°C to yield liquid water at 20 °C? The heat of fusion for water is 333 kJ/kg, the specific heat is 4186 J/kg · C° the heat of vaporization is 2260 kJ/kg. Express your answer to two significant figures and include the appropriate units. HÀ Value Units m =

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter16: Temperature And The Kinetic Theory Of Gases

Section: Chapter Questions

Problem 33P: At 25.0 m below the surface of the sea, where the temperature is 5.00C, a diver exhales an air...

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At 25.0 m below the surface of the sea, where the temperature is 5.00C, a diver exhales an air bubble having a volume of 1.00 cm3. If the surface temperature of the sea is 20.0C, what is the volume of the bubble just before it breaks the surface?
An engineer who is working on the heat transfer analysis of a house in English units needs the convection heat transfer coefficient on the outer surface of the house. But the only value he can find from his handbooks is 22 W/m2·K, which is in SI units. The engineer does not have a direct conversion factor between the two unit systems for the convection heat transfer coefficient. Using the conversion factors between W and Btu/h, m and ft, and °C and °F, express the given convection heat transfer coefficient in Btu/h·ft2·°F.
Calculate the total heat required to convert 100 g ice at -15°C to steam at 120 °C. (Specific heat of ice = 2090 J/kg °C, Specific heat of water = 4186 J/kg "C, Specific heat of steam = 2.01x10³ J/kg °C, Latent heat of fusion of ice = 3.33 x 10 J/kg, Latent heat of vaporization of water = 2.26 x 10 J/kg.)
A common practice for a person with a high fever is to take a bath in cool water. Assuming an 80 kg person is really ill and needs to cool down from 40°C to 37°C. What is the minimum amount of water needed for bathing assuming the water begins at room temperature, 25°C? The specific heat of the body on average is 3470 J/kg°C and water is 4186 J/kg°C. 16.6 kg 212.2 kg 200 kg 19.8 kg
A silver kettle weighs 1.07 kg. (The specific heat of silver is 0.235 J/g·°C) (a) What is the heat capacity (in J/°C) of the kettle? _____ J/°C (b) How much heat (in J) is required to increase the temperature of this kettle from 20.5°C to 98.7°C? _____ J (c) How much heat (in J) is required to heat this kettle from 20.5°C to 98.7°C if it contains 1.03 L of water (density of 0.997 g/mL and a specific heat of 4.18 J/g·°C across the temperature range)? _____ J
In an energy-efficient home, a solar collector is used to provide heat energy. If the solar system releases 42,000 cal of heat when it cools from 50 oC to 48 degrees C, what is the mass (kg) of water in the solar collector (specific heat = 1.00 cal / g x degree C)?
A window has dimensions of 1.6 m by 2.85 m and is made of glass 7.25 mm thick. On a winter day, the outside temperature is 24° C while the inside temperature is a comfortable at 19.5° C. (k of glass =0.195W/m.K) (1.5+1.5+2 = 5marks)Calculate the following:a) the area of the window in square metres Answer for part 1 .b) the temperature gradient (ΔT/Δx)in kelvin/metre Answer for part 2 .c) the rate of heat lost through the window by conduction in watts Answer for part 3 .
A plastic cup of negligible mass contains 0.280 kgkg of an unknown liquid at a temperature of 36.0 ∘C∘C. A 0.0270 kgkg mass of ice at a temperature of 0.0∘C∘C is added to the liquid, and when thermal equilibrium is reached the temperature of the combined substances is 14.0 ∘C∘C. Assuming no heat is exchanged with the surroundings, what is the specific heat capacity of the unknown liquid? Express your answer in joules per kilogram-kelvin.
A surveyor uses a steel measuring tape that is exactly 75000 m long at a temperature of 20 degrees Celsius. What is the length (in m) of the tape when the temperature is 35 degrees Celsius? (xsteel = 1.2x10-5/K). The answer (in fundamental SI unit) is ______. (type the numerical value only)
How much thermal energy is required to boil 4.11 kg of water at 100.0°C into steam at 132 °C? Properties of water you might find useful: density = 1000 kg / m , specific heat = 4186 J / (kg · °C), the latent heat of fusion = 3.33 x 105 J / kg, the latent heat of vaporisation = 2.26 x 106 J / kg, and the specific heat of steam = 2010 J / (kg · °C).
The core temperature of an athlete is 37 °C and his surface area is 1.8 m2. The thermal conductivity of his surface tissue, which is 6 mm thick on average, is 0.18W/m K. If heat is transferred from his core to his skin at a rate of 270W, what is the average temperature of his skin surface?
A kettle brings 2.15 kg of water at 34.9˚C to steam at 110˚C. How much heat does this take? The specific heat of water is 4186 J/kg˚C, The specific heat of ice is 2090 J/kg˚C, and the specific heat of steam is 2010 J/kg˚C The latent heat of fusion for water is 3.33 x 105 J/kg and the latent heat of vaporization for water is 2.26 x 106 J/kg