Q.
A 600 ml vessel containing oxygen at 800 mm and a 400 ml vessel containing Nitrogen at 600 mm at the same temperature are kept in communication with each other through a stop-cock. Neglecting the volume of the stop-clock, the final pressure of the mixture is
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a
1400 mm
b
1000 mm
c
720 mm
d
700 mm
answer is C.
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Detailed Solution
Pmax=P1V1+P2V2V1+V2 =600×800+400×6001000 =480+240 =720 mm of Hg
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