#Initial Pressure (atm), Initial Pressure (kPa), Critical Energy (J/cm) 0.20, 20.18, 1045.392 0.25, 25.64, 810.26 0.40, 40.52, 628.662 0.50, 50.45, 467.6714 0.73, 74.13, 370.2198 0.82, 83.13, 334.3758 1.00, 101.34, 264.4858