版权所有：华东理工大学物理化学教研室 34 The limiting law Boyle's law is valid only at low pressures;and that real gases obey it only in the limit of the pressure approaching zero ( p →0). Equations that are valid in this limiting sense will be signaled by a º on the equation number in our text book. 1.2 The gas laws — 1).Three important gas Laws版权所有：华东理工大学物理化学教研室 34 The limiting law Boyle's law is valid only at low pressures;and that real gases obey it only in the limit of the pressure approaching zero ( p →0). Equations that are valid in this limiting sense will be signaled by a º on the equation number in our text book. 1.2 The gas laws — 1).Three important gas Laws