Q1: Air at 20 bar is initially contained a vessel at volume 1 m3 and connected with another vessel has unknown volume and evacuated from the air, the two vessels are insulated, the valve between the...

Extracted text: Q1: Air at 20 bar is initially contained a vessel at volume 1 m3 and connected with another vessel has unknown volume and evacuated from the air, the two vessels are insulated, the valve between the two vessels is opened, the gas expands and fill the two vessels, calculate the final volume if the final pressure of air is 10 bar.