Initial Pressure (atm) & Initial Pressure (kPa) & Critical Energy (J) \\ 0.039890 & 4.04185 & 0.76808 \\ 0.064718 & 6.55755 & 0.49423 \\ 0.090914 & 9.21186 & 0.38556 \\ 0.10571 & 10.7111 & 0.35883 \\ 0.12869 & 13.0395 & 0.29634 \\