Sensible heat added to a substance after it has turned into a vapor is referred to as __________.

The term that refers to sensible heat added to a substance after it has turned into a vapor is superheat. This concept describes the process where a vapor's temperature is increased while it remains in a gaseous state, beyond its boiling point without changing its phase.

In practical applications, superheating is important in systems such as steam turbines, where steam is superheated to improve efficiency and ensure that the steam remains in the vapor phase, preventing condensation that could damage equipment. This thermal energy input enhances the vapor's temperature, thereby increasing its enthalpy and efficiency in energy transfer processes.

Contrast this with the other terms: latent heat refers to the heat absorbed or released during a phase change (like vaporization or condensation) without a temperature change. Supercooling describes a phenomenon where a liquid is cooled below its freezing point without solidifying. Specific heat is a property of a substance that indicates how much heat energy is required to raise the temperature of a unit mass of the substance by one degree Celsius. Each of these terms addresses different aspects of thermodynamics and heat transfer, but superheat specifically deals with heat added to vapor after it has fully turned into a gaseous state.