List of top Process Calculations and Thermodynamics Questions asked in GATE CH

The molar heat capacity of n-pentane is \[ \frac{C_p}{R} = 2.46 + 45.4 \times 10^{-3}T - 14.1 \times 10^{-6}T^2. \] At 1000 K, the rate of change of molar entropy at constant pressure is \(\underline{\hspace{1cm}}\) J mol\(^{-1}\) K\(^{-2}\).

The van der Waals equation in reduced form is \[ P_r = \frac{8T_r}{3v_r - 1} - \frac{3}{v_r^2}. \] If \(v_r = 3\) and \(T_r = \frac{4}{3}\), compute the compressibility factor \(Z\) (rounded to 2 decimals).

The heat of combustion of methane, carbon monoxide and hydrogen are \(P\), \(Q\) and \(R\) respectively. For the reaction
\[ CH_4 + H_2O \longrightarrow CO + 3H_2 \] the heat of reaction is given by