.5 mole of solid lead (Pb) at 27°C is added to n mole of liquid Pb at 727°C at 1 atm pressure. Once the equilibrium is reached, we ob mixture is completely in liquid state at 527 °C. Using the data given below, calculate the mole amount of initial liquid Pb (i.e.. n = ?).

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1.5 mole of solid lead (Pb) at 27°C is added to n mole of liquid Pb at 727°C at 1 atm pressure. Once the equilibrium is reached, we observed that the
mixture is completely in liquid state at 527 °C.
Using the data given below, calculate the mole amount of initial liquid Pb (i.e., n = ?).
AH=4807 J/mole
Tm = 327 °C
Data for Pb:
psolid = (5.63+2.33×10−³7) J/mole.K
Cp
liquid =(7.75–0.74×10−³7) J/mole.K
Cp
Transcribed Image Text:1.5 mole of solid lead (Pb) at 27°C is added to n mole of liquid Pb at 727°C at 1 atm pressure. Once the equilibrium is reached, we observed that the mixture is completely in liquid state at 527 °C. Using the data given below, calculate the mole amount of initial liquid Pb (i.e., n = ?). AH=4807 J/mole Tm = 327 °C Data for Pb: psolid = (5.63+2.33×10−³7) J/mole.K Cp liquid =(7.75–0.74×10−³7) J/mole.K Cp
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