Question

A gas‑filled weather balloon has a volume of 50.0L at ground level, where the pressure is 765 mmHg and the temperature is 20.3 C. After being released, the balloon rises to an altitude where the temperature is −4.52 C and the pressure is 0.0687 atm. What is the weather balloon's volume at the higher altitude?

Answer 1

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Initial values Volume = V = 50L Pressure = P, = 765 mm Hg Temperature = Ti = 20.3 c = 273 115 + 2013 = 29345 K Values at an specific altitude Volume = Va= ? Pressure Pa= 0.0687 alm = (0.0687 x760) mmHg = 52.212 mmHg Temperature = Ta = - 4.52°C = 273-15 - 4.52 = 268.63 K Now, from ideal gas equation 765 minttg x 50L = 52.212 mitty XV, 293454 268.63K V = 765 x 50LX 2 681 63 293145 x 52.212.

b= (+65 x 50 x 268.63) (29345 x 52.212) Ves (10275097.5 11 | 15321161 V2= 670.622 bo, The volume at the higher altitude is 670.622

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