An ideal gas sample with 7.20 atm pressure occupies 250mL voulme at 18•C. What volume would it occupy at 1.50atm and 216•C?

Respuesta :

The   volume  of  ideal gas  that would   occupy  at 1.50 atm  and 216 c is

2016.49 ml


calculation

  • volume is  calculated using a  combined  gas equation

  that is P1V1/T1=  P2V2/T2

 P1( pressure 1) =  7.20  atm

V1 ( volume 1) = 250  ml

T1 ( temperature 1) = 18 + 273=291  K

P2 ( pressure 2) = 1.50 atm

T2 ( temperature 2)= 216+273=489 K

V2  (  volume 2) =?

  • by   making V2 the subject  of the  formula  

 V2=[(T2 xP1 x V1)/(T1 xP2)]

V2=[ (489 K  x 7.20 atm  x 250 ml)   / ( 291 k  x 1.50 atm)] =  2016.49  Ml

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