In introducing the 2nd law of thermodynamics, we consider the cyclic heat engines consisting of four separate processes. ... In Carnot Cycle, it would be difficult to control the condensation process (heat rejections from fluid) so that it stopped as state 1. ... Now the low temperature and the pressure vapor enters the condenser, where heat will be rejected from working fluid (vapor) and it will condense. ... In the idealized Rankine cycle, heat transfer takes place to the working fluid in a constant pressure process in a boiler. ... EFFICIENCY OF RANKINE CYCLE Heat supplied QH =m (h2-h1) ...

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The above process is shown in the equation below: Ag+(aq) + Cl(aq)  AgCl(s) Though the produced salt is insoluble, some small amount of the precipitate does dissolve in water as shown in the equation below: AgCl(s)  Ag+(aq) + Cl-(aq) Looking at the above two equations it is clear that the precipitation reaction is reversible. ... The greatest chance of solubility of the precipitate back to ions occurs when the exact amount of Silver ions are added to precipitate the chloride ions making the system in equilibrium hence it is preferred that some of exc...

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• Grade Level: High School