Calculate minimum number of balloons each of volume $82.1 L$ required to lift a mass of $1 k g$ to a height of $831 m$ . Given : molar mass of air $= 29 g / m o l$ , temperature is constant at $290 K$ and mass of each balloons is $40 g$ .

[Use $e^{- 0.1} = 0.9$ , pressure at sea level $= 1 a t m$ , acceleration due to gravity $(g) = 10 m / s^{2}$ ]

Question

Calculate minimum number of balloons each of volume $82.1 L$ required to lift a mass of $1 k g$ to a height of $831 m$ . Given : molar mass of air $= 29 g / m o l$ , temperature is constant at $290 K$ and mass of each balloons is $40 g$ .

[Use $e^{- 0.1} = 0.9$ , pressure at sea level $= 1 a t m$ , acceleration due to gravity $(g) = 10 m / s^{2}$ ]

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