This example problem demonstrates how to calculate boiling point elevation caused by adding salt to water. When salt is added to water, the sodium chloride separates into sodium ions and chloride ions. The premise of boiling point elevation is that the added particles raise the temperature needed ...
While boiling point elevation depends on the number of dissolved particles in a solution, their identity is not a factor. Solvent-solute interactions also do not affect boiling point elevation. An instrument called an ebullioscope is used to accurately measure boiling point and thus detect whether ...
Problem solving- use acquired knowledge to solve practice problems using the boiling-point elevation formula Making connections- use your understanding of the concept of solutions to help you understand the boiling-point elevation formula Additional Learning ...
In ideal solutions, the water vapor depression and hence the boiling point elevation can be easily calculated (see Example 21.2). Due to the relatively high molecular weight of the solutes, the boiling point elevation of food liquids is not large. In practice, the boiling temperature in an ...
InEq. 49the boiling process occurs on the outer surface of theevaporatortubes. The condensation temperature,Tcj, is lower than the effect temperature, Tj, by the boiling point elevation, (BPE)j, and the saturation temperature depressions associated with pressure losses in thedemister, (ΔPp)j, ...
For example, the gas heated to a predetermined temperature through a heat exchanger is fed to a treating apparatus by using a compressor, a blower or the like, or by making use of the elevation in pressure by the pressure upon storage of gas or heating. On the other hand, the solid ...
Boiling point elevationoccurs when the boiling point of a solution becomes higher than theboiling pointof a pure solvent. The temperature at which the solvent boils is increased by adding any non-volatile solute. A common example of boiling point elevation can be observedby adding salt to water...