The length of the column in an Hg thermometer is 5 cm at 0 C and 30 cm at 100C. The average coefficient of volume expansion of mercury is 1.82 x10-4 /C. For a 20 cm length of column, the corresponding temperature is
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A: This problem can be solved using the formula for the coefficient of thermal expansion.
The length of the column in an Hg thermometer is 5 cm at 0 C and 30 cm at 100C. The average coefficient of volume expansion of mercury is 1.82 x10-4 /C. For a 20 cm length of column, the corresponding temperature is
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- A cramming student warms 0.500 L of cold coffee in a Pyrex carafe. Full carafe of coffee at 20°F. How much coffee has spilled when the coffee and carafe reach 95°C? Given that the carafe is an isotropic solid, Pyrex has a linear thermal expansion coefficient of 3.3 x 10-6 K-1 and water (coffee) has 207 x 106 K-1.Older railroad tracks in the U.S. are made of Part A 12-m-long pieces of steel. When the tracks are laid, gaps are left between the sections to prevent buckling when the steel thermally expands. If a track is laid at 16° C, how large should the gaps be if the track is not to buckle when the temperature is as high as 50° C? The coefficient of linear expansion of soft steel is 1.1 × 10-5 °C-1. Express your answer with the appropriate units. HẢ .... Value %3D Submit Previous Answers Request AnswerA bubble having a diameter of 62 cm is re- leased from a depth of 4.6 m from the bottom of a swimming pool. The temperature of the water at the surface is 21°C, whereas it is 15°C at the point of release. What will the diameter of the bubble be when it reaches the surface? The acceleration of gravity is 9.8 m/s² and the density of water is 1000 kg/m³. Answer in units of cm.
- In everyday experience, the measures of temperature most often used are Fahrenheit F and Celsius C. Recall that the relationship between them is given by the following formula. F = 1.8C + 32 Physicists and chemists often use the Kelvin temperature scale. You can get kelvins K from degrees Celsius by using the following formula. K = C + 273.15 (a) Calculate that value.K(25) = (b) Find a formula expressing the temperature C in degrees Celsius as a function of the temperature K in kelvins. C = (c) Find a formula expressing the temperature F in degrees Fahrenheit as a function of the temperature K in kelvins. F = (d) What is the temperature in degrees Fahrenheit of an object that is 272 kelvins?A cramming student warms 0.500 L of cold coffee in a Pyrex carafe. Full carafe of coffee at 20°F. How much coffee has spilled when the coffee and carafe reach 95°C? Given that the carafe is an isotropic solid, Pyrex has a linear thermal expansion coefficient of 3.3 x 10-6 K-1 and water (coffee) has 207 x 106 K-1.What is the change in length of a 3.4-cm-long column of mercury if its temperature changes from 35 ºC to 35.3 ºC, assuming the mercury is unconstrained? The thermal coefficient of expansion of mercury is 6×10-5 /oC.
- A gold wire 2.4 m long has its temperature lowered by 42oC. Assuming the linear coefficient of expansion has a constant value of 13 x 10-6 K-1 over that temperature range, calculate the change in length of the wire. Express your answer in mm.The active element of a certain laser usbmade of a glass rod 35 cm long and 1.3 cm in diameter. Assume the average coeffeicent of linear expansion of the glass is equal to 9.00 X 10^-6 (celcius)^-1. the temperature of the rod increases by 60 celcius A) what is the increase in its length? B) what is the increase in its diameter? C) What is the increase in its volume?