FUNDAMENTAL EQUATIONS OF IDEAL GASES 389 



which is constant and independent of temperature is the same 

 as it would be for the gas in the ideal state at infinitely low 

 pressure. This may be proved by considering the two general 

 equations 



and 



/M ^ /dp\ ^ 

 \dv)t \dtjj 



). = © 



[337] 





♦aos 



0.00 





-0.05 



-0.10 



0.5 



1.0 



ATMOSPHERES PRESSURE 

 Fig. 2 



