Helium is used inside a 7.19m diameter spherical balloon. The said substance is at 98.499 kPa and 306K and is surrounded

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answerhappygod
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Helium is used inside a 7.19m diameter spherical balloon. The said substance is at 98.499 kPa and 306K and is surrounded

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Helium is used inside a 7.19m diameter spherical balloon. The
said substance is at 98.499 kPa and 306K and is surrounded by air
at 100.596 kPa and 300 K. Solve for the lifting force in kN.
Express your answer in 3 decimal places.
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