Engineering
Engineering, 26.07.2019 18:20, stormhorn491

How would you define or calculate entropy in a two-phase (liquid-vapor) region? in a compressed liquid? write the two tds equations (gibbs equations).

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Chemistry, 10.10.2019 06:00, Jasten
This problem reinforces the concepts of phase equilibria for pure substances. (a) use steam table data to calculate the gibbs energy of 1 kg saturated steam at 150°c, relative to steam at 150 c and 50 kpa (the reference state). perform the calculation by plotting the volume data and graphically integrating. express your answer in kj. (note: each square on your graph paper will represent [pressure volume] corresponding to the area, and can be converted to energy units.) (b) repeat the calculations using the tabulated enthalpies and entropies. compare your answer to part (a) (c) the saturated vapor from part (a) is compressed at constant tand 1/2 kg condenses. what is the total gibbs energy of the vapor liquid mixture relative to the reference state of part (a)? what is the total gibbs energy relative to the same reference state when the mixture is completely condensed to form saturated liquid? (d) what is the gibbs energy of liquid water at 600 kpa and 150°c relative to the reference state from part (a)? you may assume that the liquid is incompressible.
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Chemistry, 16.10.2019 20:00, triciajfive
We have two equations that can define the equilibrium in a vapor-liquid system. in your own words, discuss where each if those equations is applicable and how the k-value is defined based on each equation. additionally, discuss what this means in terms of the system and how components are separated between the vapor and liquid phases. how do the constants determine the separation between the two phases?
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