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The given phase diagram provides some information on the time-temperature relationship for the formation of pearlite (P), bainite (B), and martensite (M) from austenite (A) form, which is known as known as gamma-phase iron ($\gamma$-$\ce{Fe}$). For example, It would take $\pu{10 sec}$ to 100% austenite to the 50% austenite-to-pearlite transformation to ...

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As far as the question is concerned, you do not need the vapor pressure. In order to calculate the mass fraction of $\ce{C2HCl3}$, we first have to calculate the molar mass of $\ce{C2HCl3}$ and $\ce{CHCl3}$. $$M(\ce{C2HCl3}) = \pu{131.38 \frac{g}{mol}}$$ $$M(\ce{CHCl3}) = \pu{119.37 \frac{g}{mol}}$$ With these two calculated we can calculate the absolute ...

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I just realised, the 2 phases present in a liquid-liquid solution system with temperature below its solution temperature is a) conjugate solution enriched in A b) conjugate solution enriched in B No pure liquid A or pure liquid B phase exists.

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