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Standard XII

Chemistry

Ideal Gas Equation

A balloon wei...

Question

A balloon weighting $50 K g$ is filled with $685 k g$ of helium at $1 a t m$ pressure and $25^{o} C$ . What will be its pay load if it displaced $5108 k g$ of air?

4373 k g

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4423 k g

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5793 k g

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None of these

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Solution

The correct option is B $4373 k g$
The payload can be explained as the difference between the mass of the air displaced and that of the mass of balloon whereas mass of balloon is equal to the sum of the mass of balloon skin and mass of Helium filled in it.
Given that:-
Mass of air displaced $= 5108 K g$
mass of balloon skin $= 50 K g$
Mass of helium filled in it $= 685 K g$
$∴ Payload = 5108 - (50 + 685) = 5108 - 735 = 4373 K g$

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A balloon weighting 50Kg is filled with 685kg of helium at 1atm pressure and 25oC. What will be its pay load if it displaced 5108kg of air?

A balloon weighting $50 K g$ is filled with $685 k g$ of helium at $1 a t m$ pressure and $25^{o} C$ . What will be its pay load if it displaced $5108 k g$ of air?