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Mercury expands in a regular way How does this relate to the use of mercury in themometres?
Wiki User
∙ 15y ago
Mercury expands as it cools. Mercury is placed within the bulb at the lower end of a glass tube so that, as the temperature decreases, the mercury may expand within the tube at a regular rate to make judging the temperature possible. Edit By Rouefever: Mercury expands as it is heated, not cooled, like many other substances. Cooling Mercury will make it contract, and then solidify (or freeze).
Wiki User
∙ 15y ago
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Mercury thermometers have advantages over alcohol thermometers. The liquid is visible making the results easy to read. It expands at a regular interval. It measures temperature quickly and accurately.
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