Calculate the enthalpy and entropy of the mixture

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Reference no: EM131155845

Problem 9.11:

A batch of natural has contains 93% by mol methane with the rest being mostly ethane. Use the SRK equation to estimate the volume of tank needed to store 100 kg of this natural gas in liquid form at 1 bar, at - 165 °C.

Problem 9.12:

a) Use the SRK equation to calculate the residual properties of a N2 (1)/CH4 (2) mixture at 120 K, 10 bar, withx1 = 0.5. Under the conditions, the mixture is in the liquid phase.

b) Calculate the enthalpy and entropy of the mixture in the previous part using as reference for both components the ideal-gas state at 25 °C, 1 bar. The ideal-gas heat capacities of the two components are:

CP 1 = 29 + 0.0005768T, CP 2 = 24 + 0.03926T

with T in K and CP in J/mol/K.

Reference no: EM131155845

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