A Glass Thermometer Using a Thin Column of Ethyl Alcohol

question 22

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

---

Definitions:

Clinical Laboratory Improvement Amendments

Regulatory standards that guarantee the precision, dependability, and promptness of patient test outcomes, irrespective of the test's location.

1988

A year identified by significant events, developments, or cultural landmarks in history.

Physician's Office Laboratories

Laboratories within doctors' offices where simple tests are performed on-site to provide quick results for medical diagnosis and treatment planning.

Moderate-Complexity Tests

Laboratory testing procedures that require a moderate level of expertise, oversight, and equipment to perform and analyze results accurately.