3.Please consider a van der Waldorf that entered a device at 650 °C and 30 bar and exited at 200 °C and 4.0 bar. For this particular gas: a=9.50 \frac{b a r \cdot m^{6}}{k m o l e^{2}} \quad \text { and } \quad b=0.110 \frac{m^{3}}{k m o l e} \text { a. Please find } \bar{v}_{i} \text { in } m^{3} / k m o l e \text {. } \text { b. Please find } \bar{v}_{e} \text { in } m^{3} / \mathrm{kmole} \text {. } \text { c. Please find } \Delta \bar{u}-\Delta \bar{u}^{I G} \text { in } J / \text { mole. } \text { d. Please find } \Delta \bar{u}^{K} \text { in } J / \text { mole. }