1.

N_(2) is found in a litre flask under 100 kPa pressure and O_(2) is found in another 3 litre flask under 320 kPa pressure. If the two flasks are connected, the resultant pressure is

Answer»

310 kPa
210 kPa
420 kPa
265 kPa

Solution :`P_(1)V_(1)+P_(2)V_(2)=P_(3)(V_(1)+V_(2))`
`100xx1+320xx3=P_(3)(1+3)` or`P_(3)=265` kPa


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