Support the Monkey! Tell All your Friends and Teachers Let CollegesRecruit You
 Home MonkeyNotes Printable Notes Digital Library Study Guides Message Boards Study Smart Parents Tips College Planning Test Prep Fun Zone Help / FAQ How to Cite New Title Request

6.4 Pressure Temperature Law

The Pressure and Temperature law is similar to Charles' law. It states that "For a given mass of a dry gas, the pressure is directly proportional to the absolute temperature, if the volume is kept constant."

It can be mathematically expressed as

P µ T, if V is constant

P = constant ´ T

This law can be useful in calculating the pressure of a gas at any required temperature if the pressure at some other temperature is known by using the following equation :

If 25 dm3 of a gas at 36.5 KPa is cooled from 298 K to 136 K, keeping the volume constant, the final pressure can be calculated as follows :

P1 = 36.5 KPa / P2 = ?

T1 = 298 K T2     = 136 K

=       16.66 KPa

Index

6.1 The Gaseous States Properties
6.2 Boyle's Law
6.3 Charle's Law
6.4 Pressure - Temperature Law
6.5 Gay Lussac's Law