Question: Prediction of a low-density binary diffusivity estimate D AB for the system methane-ethane at 293K and 1atm by the following methods: (a) Equation 17.2-1. (b)

Prediction of a low-density binary diffusivity estimate DAB for the system methane-ethane at 293K and 1atm by the following methods: 

(a) Equation 17.2-1. 

(b) The corresponding-states chart in Fig. 17.2-1 along with Eq. 17.2-3. 

(c) The Chapman-Enskog relation (Eq. 17.3-12) with Lennard-Jones parameters from Appendix E 

(d) The Chapman-Enskog relation (Eq. 17.3-12) with the Lennard-Jones parameters estimated from critical properties. 

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