A child's helium-filled balloon escapes at sea level and 20.0°C. It reaches an altitude of 2550 m, where the t?
A child's helium-filled balloon escapes at sea level and 20.0°C. It reaches an altitude of 2550 m, where the temperature is 5.0°C and the pressure only 0.80 atm. What is the ratio of its volume at this altitude to its volume at sea level?
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For a fixed mass of gas
P. V / T = constant (k)
so
V ( sea level ) = T ( sea level ) . k / P ( sea level ) = 293 . k / 1
V ( 2550 m ) = T ( 2550 m ) . k / P ( 2550 m ) = 278 . k / 0.8
V ( 2550 ) / V ( sea level ) = 347.5 k / 293 k = 1.186
The volume has increased by a factor of 1.186
no of course no. Ur question is a bit odd, so try to use google instead of asking it here.
ME