Which of the following is NOT a role of a calorimeter?

A calorimeter is primarily used in various experiments to measure heat transfer associated with chemical reactions or physical changes. Its core functions involve monitoring the heat exchanged with the surroundings and allowing for calculations related to energy changes.

Measuring heat transfer is a fundamental role of a calorimeter, as it helps researchers understand how much heat is absorbed or released during a reaction. This makes it invaluable for studying reaction enthalpies and thermodynamic properties.

Calculating specific heat capacity is also a function of calorimetry. By examining how much heat is absorbed or lost by a substance and its temperature change, one can assess its specific heat capacity, which is crucial in thermal analysis.

Recording temperature changes during a reaction is essential for any calorimetric study. This data is vital for determining the extent of the reaction and the heat involved, making it necessary for accurate assessments of thermodynamic properties.

In contrast, determining caloric intake is not within the purview of a calorimeter's roles. This process typically involves dietary analysis and nutritional measurements instead of the heat transfer and thermal properties that a calorimeter is designed to investigate. This distinction highlights why the correct choice identifies determining caloric intake as not being a function of a calorimeter.