Assume all temperatures to be exact, and neglect significantfigures for small changes in dimension.A husband buys a helium-filled anniversary balloon for hiswife. The balloon has a volume of 5.0 L in the warm store at78 °F. When he takes it outside, where the temperature is 47°F, he finds it has shrunk.Part ABy how much has the volume decreased?Express your answer using two significant figures.νο ΑΣφΔV-Request AnswerSubmit

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Answered: Assume all temperatures to be exact,…

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter19: Temperature, Thermal Expansion And Gas Laws

Section: Chapter Questions

Problem 39PQ

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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?
A surveyor uses a steel measuring tape that is exactly 75000m long at a temperature of 20 degree celcius? What is the length (in m) of the tape when them temperature is 35 degrees celcius? () The answer (in fundamental SI unit) is ___________
At 20°C, a rod is exactly 20.05 cm long on a steel ruler. Both are placed in an oven at 270°C, where the rod now measures 20.11 cm on the same ruler. What is the coefficient of linear expansion for the material of which the rod is made?
On a nice winter day at the South Pole, the temperature rises to −68°F. What is the approximate temperature in degrees Celsius?
An aluminum wire is wrapped in rubber insulation. Both are subject to thermal expansion, with the following coefficients of linear expansion: alphaa=24· 10−6 1/C and alphar=8· 10−5 1/C . If the wire and insulation are the same length of 1.85m at a temperature of20.00°C, what is the difference in length (in MILLIMETERS) between the copper wire and the rubber insulation when heated up to a temperature of 189.00°C? Express a magnitude only (no negatives!). ______mm (MILLIMETERS!)
A steel bridge is built in summer when the temperature is 25 degree Celsius. At the time of construction its length is 80.000 meters. What is the length of the bridge on a cold winter day when the temperature is negative 10 degree Celsius? (Given, Solution,Figure)
"Room temperature" is often taken to be 68 ∘F. Part A What is this on the Celsius scale? Express your answer using two significant figures. T T = nothing ∘C SubmitRequest Answer Part B The temperature of the filament in a lightbulb is about 2500 ∘C. What is this on the Fahrenheit scale? Express your answer using two significant figures. T T = nothing ∘F SubmitRequest Answer
On a nice winter day at the South Pole, the temperature rises to -60F. What is the approximate temperature in degree Celsius?
An expensive vacuum system can achieve a pressure as low as 1.08 ✕ 10−7 N/m2 at 22°C. How many atoms are there in a cubic centimeter at this pressure and temperature?
When air expands adiabatically (without gaining or losing heat), its pressure P and volume V are related by the equation PV^1.4=C where C is a constant. Suppose that at a certain instant the volume is 440 cubic centimeters and the pressure is 99 kPa and is decreasing at a rate of 7 kPa/minute. 1). At what rate in cubic centimeters per minute is the volume increasing at this instant? (Pa stands for Pascal-- it is equivalent to one Newton/(meter squared); kPa is a kiloPascal or 100 Pascals)
In 2000, a gargantuan iceberg broke away from the Ross Ice Sheet in Antarctica. It was approximately a rectangle with dimensions 295 km295 km long, 37.0 km37.0 km wide, and 250.0 m250.0 m thick. What is the mass of this iceberg, given that the density of ice is 917 kg/m3917 kg/m3? How much heat transfer ?Q in joules is needed to melt the iceberg? Assume that the temperature of the iceberg is uniform at 0∘C.0⁢∘C. The latent heat of fusion for water is 334 kJ/kg. How many years would it take sunlight alone to melt ice this thick if the ice absorbs an average of 113 W/m2,113 W/m2, 12.0 h12.0 h per day?
When air expands adiabatically (without gaining or losing heat), its pressure P and volume V are related by the equation PV^1.4=C where C is a constant. Suppose that at a certain instant the volume is 450 cubic centimeters and the pressure is 93 kPa and is decreasing at a rate of 14 kPa/minute. At what rate in cubic centimeters per minute is the volume increasing at this instant? Answer in cm^3/min(Pa stands for Pascal -- it is equivalent to one Newton/(meter squared); kPa is a kiloPascal or 1000 Pascals. )

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