Calculate the equilibrium constant for the vapour phase hydration of ethylene at \(145^{\circ} \mathrm{C}\). The following data are given:

\[ \frac{C_{P}}{R}=A+B T+C T^{2}+\frac{D}{T^{2}} \]

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A B x 103 CH4 (g) 1.424 14.394 Cx 106 -4.392 D x 10-5 - H0 (g) 3.47 CHOH (g) 3.518 1.45 20.001 0.121 -6.002 - AH 298K -45792 J/mol, AG298K = -8378 J/mol. We are given that C AB AC = + AAT + T3 -3 - AD R R 2 3 T C AB AC AD In Ka =- + AA In 7' + T | T 1 C RT 2 6 272 C and C are integration constants.