Problem # 1.) A Rigid tank initially contains hydrogen at 100 kPa and 20°C. One and a half Kilograms of hydrogen is added so that the final temperature and pressure Of the tank is 30° C and 250 kPa, respectively. Determine; a) The volume of the tank in m3. b) The final mass of the hydrogen inside the tank, in kg.m (Ans. 12.79 m³ , 2.56 kgm.

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