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If the initial gas pressure inside the balloon is 1.0 atm, what is the final pressure?Express your answer using two significant figures.?

A weather balloon rises through the atmosphere, its volume expanding from 4.9 m3 to 14 m3 as the temperature drops from 19 ∘C to -11 ∘C.If the initial gas pressure inside the balloon is 1.0 atm, what is the final pressure?Express your answer using two significant figures.P = atm ???

2 Answers

P₁=1.0 atmV₁ = 4.9 m³ x ( 1000L/1m³) = 4900 LT₁ = (19°C + 273.15) K = 292.15 KP₂ = ?V₂ = 14 m³ x ( 1000L/1m³) = 14000 LT₂ = (-11°C + 273.15) K = 262.15 KP₁V₁/T₁ = P₂V₂/T₂P₂ = P₁V₁T₂/V₂T₁P₂ = 1.04900262.15 / (14000*292.15)P₂ = 0.31 atm ← final pressure using 2 sig digits... Show More

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