A Glass Thermometer Using a Thin Column of Ethyl Alcohol $\times$

question 19

Multiple Choice

A glass thermometer using a thin column of ethyl alcohol at room temperature (293.0 K) is cooled.When the temperature reaches 273.0 K the column of alcohol is 15.50 cm high.How tall was it when the temperature was 293.0 K? The coefficient of volume expansion of mercury is 1120 $\times$ 10^-6 K^-1.

• A) 15.85 cm
• B) 15.86 cm
• C) Cannot answer without knowing the diameter of the column
• D) 15.62 cm

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