dhkdl1 said:I need to determine the latent heat of an unknown substance X in kcal/g if 3.0g of boiling liquid X are completely vaporized in 1.5 hours by an energy source of 10kcal/hr.
Thanks a million!
Dave
Latent heat is the amount of heat required to change the phase of a substance without changing its temperature.
Knowing the latent heat of a substance can help in understanding its properties and behavior, as well as in various industrial and scientific processes such as refrigeration, energy storage, and materials processing.
The latent heat of an unknown substance can be determined by conducting experiments in which the substance undergoes a phase change and measuring the amount of heat absorbed or released during the process. This can be done using various methods such as calorimetry and differential scanning calorimetry.
The latent heat of a substance can be affected by its chemical composition, purity, and physical state (solid, liquid, or gas). It can also vary with temperature and pressure.
Yes, the latent heat of an unknown substance can be calculated using the specific heat capacity and enthalpy of fusion or vaporization of the substance, as well as the change in temperature during the phase change.