Essential %I. p: Its unit is Pa or kPa 62. p related to the quality of solvent. Every kinds of liquid have different vapor-pressure 483. p related to the temperature of solvent. When the temperature is elevated, the p value will Increase 94. If the p value of a substance is larger, we'll call it volatile. And less. nonvolatile 45. The p value of solid substance is very little. But it has the ability of sublimationEssential ❖1. p : Its unit is Pa or kPa. ❖2. p related to the quality of solvent. Every kinds of liquid have different vapor-pressure. ❖3. p related to the temperature of solvent. When the temperature is elevated, the p value will increase. ❖4. If the p value of a substance is larger, we’ll call it volatile. And less, nonvolatile. ❖5. The p value of solid substance is very little. But it has the ability of sublimation