Engineering, 02.07.2021 02:50, AliMe52

A well insulated rigid tank contains 4 kg of argon gas at 450 kPa and 30 C. A valve is opened, allowing the argon to escape until the tank pressure drops to 200 kPa. Assuming that the argon remaining in the tank experiences a reversible adiabatic process, find the final mass of argon in the tank. Since you don't have argon gas tables, assume cp, cv, k as needed at some appropriate temperature(s).

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A well insulated rigid tank contains 4 kg of argon gas at 450 kPa and 30 C. A valve is opened, allow...