Question

In a student experiment, a constant-volume gas thermometer is calibrated in liquid nitrogen (−196°C) and in boiling pentane (36.1°C). The separate pressures are 0.347 atm and 1.436 atm. Hint: Use the linear relationship P = A + BT, where A and B are constants.

(a) What value of absolute zero does the calibration yield?
°C

(b) What pressure would be found at the freezing point of water?
atm

(c) What pressure would be found at the boiling point of water?
atm

A hollow aluminum cylinder 22.5 cm deep has an internal capacity of 2.000 L at 15.0°C. It is completely filled with turpentine at 15.0°C. The turpentine and the aluminum cylinder are then slowly warmed together to 65.0°C. (The average linear expansion coefficient for aluminum is 24 ✕ 10⁻⁶°C⁻¹, and the average volume expansion coefficient for turpentine is 9.0 ✕ 10⁻⁴°C⁻¹.)

(a) How much turpentine overflows?
cm³

(b) What is the volume of turpentine remaining in the cylinder at 65.0°C? (Give your answer to at least four significant figures.)
L

(c) If the combination with this amount of turpentine is then cooled back to 15.0°C, how far below the cylinder's rim does the turpentine's surface recede?
cm

Answer 1