Question

A balloon man has a 20 litre cylinder of hydrogen gas at 200 atm pressure and 35°C. How many balloons of volume 1000 mL can be inflated ?​

Answer 1

Answer:

balloons that can be filled.

18

At same temperature,

P

1

V

2

=P

2

V

2

(Boyle's law)

P

1

=10atm;P

2

=1atm

V

1

=4l=V

2

=8l

But while filling balloons from cylinder when pressure in cylinder becomes 1 atm then further filling is not possible (P

1

′

=9atm)

Let n be the number of balloons that can be filled.

∴P

1

′

V

1

=n(P

1

V

1

)

9×8=n(4×1)

n=

4

9×8

=18balloons

Explanation:

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