jovanyalvarez3826 jovanyalvarez3826
  • 23-11-2018
  • Chemistry
contestada

If a 300.0 ml sample of a gas is heated at constant pressure from 25.0ºc to 55.0ºc, its new volume is _____ ml?

Respuesta :

kenmyna
kenmyna kenmyna
  • 02-12-2018

 The new  volume is    330.2 ml


calculation

 The new  volume is  calculated using  the Charles  law formula

that is  V1/T1= V2/T2

where T1= 25.0  c  into kelvin  =  25 +273  = 298 K

         V1=  300.0 ml

       T2  = 55.0  c  into kelvin = 273   +55  =328  K

      V2 =  ? ml


make V2  the   subject of the formula  by  multiplying  both side by T2

V2= V1T2/ T1

V2 =[ (300.0 ml x 328 k)  / 298 k}  = 330.2 ml


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