2.2.1. Thermal expansion of solids, liquids and gases
A subsection of Physics, 5054, through 2. Thermal physics
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Liquid-in-glass thermometers use the expansion of a liquid to indicate the temperature. shows the molecular structure of a solid and a gas. solid liquid gas In the middle box of , sketch a diagram to show the molecular structure of a liquid. Explain why it is easier to compress a gas than to compress a solid. The temperature of a liquid-in-glass thermometer increases. State two ways in which the molecules of the liquid in the thermometer are affected. 1. 2. shows the liquid-in-glass thermometer. liquid bulb narrow tube There is no scale on the thermometer. State what is meant by the ice point and the steam point. ice point steam point Describe how the ice point and the steam point are used on the thermometer. Explain how the range of a liquid-in-glass thermometer is affected by: increasing the mass of liquid in the bulb increasing the diameter of the narrow tube.
5054_w21_qp_21
THEORY
2021
Paper 2, Variant 1
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