When a thermometer is taken from the melting ice to a warm liquid, the mercury level rises to 2. th of the distance between the lower and the upper fixed points. Find the temperature of liquid in°C and K.
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- Show that =3a , by calculating the infinitesimal change in volume dT of a cube with sides of length L when the temperature changes by dT .Typical molecular speeds (vrms) are large, even at low temperatures. What is vrms for helium atoms at 5.00 K, less than one degree above helium's liquefaction temperature ?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 .
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