Steam at 100°C is added to ice at 0°C.(a) Find the amount of ice melted and the final temperature when the mass of steam is 12 g and the mass of ice is 63 g.63g37.3Your response is within 10% of the correct value. This may be due to roundoff error, or you could have a mistake in your calculation. Carry out all intermediateresults to at least four-digit accuracy to minimize roundoff error.°C(b) Repeat with steam of mass 3.6 g and ice of mass 63 g.24.3 XYour response differs from the correct answer by more than 10%. Double check your calculations. g°C

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Answered: Steam at 100°C is added to ice at 0°C.…

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter1: Temperature And Heat

Section: Chapter Questions

Problem 49P: The height of the Washington Monument is measured to be 170.00 m on a day when the temperature is...

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A company advertises that it delivers helium at a gauge pressure of 1.72107 Pa in a cylinder of volume 43.8 L. How many balloons can be inflated to a volume of 4.00 L with that amount of helium? Assume the pressure inside the balloons is 1.72105 Pa and the temperature in the cylinder and the balloons is 25.0 .
The height of the Washington Monument is measured to be 170.00 m on a day when the temperature is 35.0 . What will its height be on a day when the temperature falls to -10.0 ? Although the monument is made of limestone, assume that its coefficient of thermal expansion is the same as that of marble. Give your answer to five significant figures.
Using a numerical integration method such as Simpson's rule, find the fraction of molecules in a sample of oxygen gas at a temperature of 250 K that have speeds between 100 m/s and 150 m/s. The molar mass of oxygen (O2) is 32.0 g/mol. A precision to two significant digits is enough.
Consider the latent heat of fusion and the latent heat of vaporization for H2O, 3.33 105 J/kg and 2.256 106 J/kg, respectively. How much heat is needed to a. melt 2.00 kg of ice and b. vaporize 2.00 kg of water? Assume the temperatures of the ice and steam are at the melting point and vaporization point, respectively. (a). UsingEq21.9, Q = mLF = (2.00 kg) (3.33l05 J/kg) = 6.66105 J (b).UsingEq21.10. Q = mLV = (2.00kg) (2.256106 J/kg) = 14.51106 J
Most automobiles have a coolant reservoir to catch radiator fluid than may overflow when 1he engine is hot. A radiator is made of copper and is filled to its 16.0L capacity when at 10.0C. What volume of radiator fluid will overflow when the radiator and fluid reach their 95.0C operating temperature, given that the fluid’s volume coefficient of expansion is =400106/C ? Note that this coefficient is approximate, because most car radiators have operating temperatures of greater than 95.0C.
What is the total translational kinetic energy of the air molecules in a room of volume 23 m3 if the pressure is 9.5104 Pa (the room is at fairly high elevation) and die temperature is 21 ? Is any item of data unnecessary for the solution?
A test is conducted to determine the overall heat transfer coefficient in anautomotive radiator that is a compact cross-flow water-to-air heat exchangerwith both fluids (air and water) unmixed. The radiator has 40 tubesof internal diameter 0.5 cm and length 65 cm in a closely spaced plate-finnedmatrix. Hot water enters the tubes at 90°C at a rate of 0.6 kg/s and leaves at65°C. Air flows across the radiator through the interfin spaces and is heatedfrom 20°C to 40°C. Determine the overall heat transfer coefficient Ui of thisradiator based on the inner surface area of the tubes.
Suppose a 500-mL beaker is filled to the brim with ethyl alcohol at a temperature of 5.00°C. You may assume the beaker is made of tempered glass, and has effectively zero thermal expansion. What volume, in milliliters, will overflow the beaker when its temperature reaches 24°C? The coefficient of volume expansion for ethyl alcohol is 1.100 × 10-3 /°C. and what volume of water, in milliliters, will overflow under the same conditions? The coefficient of volume expansion for water is 2.10 × 10-4 /°C.
A new temperature scale X was invented such that water freezes at 20°X and boils at 80°X. What is the value of aboslute zero in this new temperature scale X?
If the area A, of a rectangular plate is ab and its coefficient of linear expansion is a . After a temperature rise AT, show that the change in area, AA is : AA = A, YAT where y = 2a
Estimate the rate at which heat can be conducted from theinterior of the body to the surface. As a model, assume thatthe thickness of tissue is 4.0 cm, that the skin is at 34°Cand the interior at 37°C, and that the surface area is 1.5m2Compare this to the measured value of about 230 W thatmust be dissipated by a person working lightly. This clearlyshows the necessity of convective cooling by the blood
If the pressure in a car tire is 2.0 atm at 27°C, what will be the pressure if the temperature warms to 57°C? Assume that the volume of the tire remains constant. A patient with heat stroke has a temperature of 105.8 0 What does this read on a Celsius thermometer?

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