During one of his adventure, chacha chaudhary
got trapped in an underground cave which
was sealed two hundred year back. The air
inside the cave was poisonous, having some
amount of carbon monoxide in addition to o
and N, Sabu, being huge could not enter
into the cave, so in order to save chacha
choudhary be started sucking the poisonous
air out of the cave by mouth. Each time, he
filled his lunge with cave air and exhaled it
out in the surrounding, In the mean time
fresh air from surrounding effused into the
cave till the pressure was again one
atmosphere. Each time Sabu sucked out some
air, the pressure in the cave dropped to half
of its initial value of one atmosphere. If the
initial sample of air from the cave contain 5%
by volume co.
If the safe level of co in the atmosphere is
less than 0.001% by volume how many times
does Sabu need to such out air in order to
save Chacha chaudhary,
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Answer:
He needs to take out his breathe 2 times per minute.
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