A Glass Thermometer Using a Thin Column of Ethyl Alcohol

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 ethyl alcohol is 1,120 × 10⁻⁶ K⁻¹.

A) 15.85 cm
B) 15.68 cm
C) Cannot answer without knowing the diameter of the column
D) 15.62 cm