Consider the following apparatus. Calcul...

Consider the following apparatus. Calculate the partical pressure of He after opening the valve. The temperature is remain constant at `16^(@)C`

0.164 atm

1.64 atm

0.328 atm

1 atm

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The correct Answer is:

`n_(He)=(1.2xx0.63)/(0.082xx289)=0.032" "n_(Ne)=(3.4xx2.8)/(0.0821xx289)=0.4`
`P_(T)=(0.432xx0.0821xx289)/(4.6)=2.223`
`P_(He)=(0.032)/(0.432)xx2.223=0.164atm`

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