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A 10 lt  vessel contains He gas at 10 at...

A 10 lt  vessel contains He gas at 10 atm and TK .How many balloons of one litre capacity at 1 aTm and 2TK can be filled by using the gas present in the cylinder 

A

200

B

190

C

180

D

170

Text Solution

Verified by Experts

The correct Answer is:
C
moles in balloons = `(1 xx 1)/(R(2T))`
moles of gas in cylinder = `(10 xx 10)/(R(T))`
moles of gas left over = `(10 xx 1)/(R(T))`
`:. ` moles transferred = `100/(RT) - (10)/(RT) = 90/(RT)`
`1 to (0.5)/(RT) , ? to (90)/(RT)`
`implies ` no. of balloons = `(90//RT)/(0.5//RT) = 180`.
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