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What is the change in its thermodynamic temperature?

  1. Nov 23, 2005 #1
    A thermometer has a quartz body within which is sealed a total volume of 0.410 cm3 of mercury. The stem contains a cylindrical hole with a bore diameter of 0.10 mm. How far does the mercury column extend in the process of rising from 10°C to 86°C? Neglect any change in volume of the quartz.

    I know how to do this problem, using V=V0(1+B*delta t). I just cannot find the expansion coefficient. can anyone help me out? ive been searching on the web for 15 minutes and i keep finding physics labs and crap, but no tables with values for expansion coefficients.

    I dont have the text book for my class which has all the values in it so im kinda SOL.

    A block of steel is heated from 10F to 110F. What is the change in its thermodynamic temperature?

    Is this one as simple as i think it is? Is the answer just 100? that seems way to easy to me but i dont see what else it would be asking.
    Last edited: Nov 23, 2005
  2. jcsd
  3. Nov 23, 2005 #2


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    Staff: Mentor

    Consider this - http://hyperphysics.phy-astr.gsu.edu/hbase/thermo/thexp2.html#c3

    Thermal expansion coefficient of mercury is 182 x 10-6/ºC at 20ºC

    Density of Hg at 300K = 13529 kg/m3, and density at 350K = 13407 kg/3.

    Data from F. Incropera and D. De Witt, "Fundamentals of Heat Transfer", John Wiley & Sons, 1981, Table A.5, "Thermophysical Properties of Saturated Liquids."

    CRC Handbook of Chemistry and Physics should also have these data.
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