Consider there are two tanks connected by a valve. A 1.2 m3 tank containing argon at 15 °C and 750 kPa and another tank containing 4.8 kg of the same gas at 40 °C and 200 kPa. The valve is opened and the gases are allowed to reach at the thermal equilibrium at 30 °C. (i) Calculate the volume of the second tank. (ii) Identify the final equilibrium pressure of the gas. (iii)Predict the mass of the gas in the first tank using the compressibility chart and estimate the percentage error

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