24. An airplane passenger has 100 cm³ of air in his stomach just before the plane takes off from a sea-level airport. What volume will the air have at cruising altitude if cabin pressure drops to 7.50 × 10 N/m²? 25. A company advertises that it delivers helium at a gauge pressure of 1.72 × 107 Pa in a cylinder of volume 43.8 L. How many balloons can be inflated to a volume of 4.00 L with that amount of helium? Assume the pressure inside the balloons is 1.01 × 105 Pa and the temperature in the cylinder and the balloons is 25.0 °C.

Physics for Scientists and Engineers, Technology Update (No access codes included)
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Chapter14: Fluid Mechanics
Section: Chapter Questions
Problem 14.39P: How many cubic meters of helium are required to lift a light balloon with a 400-kg payload to a...
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I need help with this problem and an explanation for the solution described below. (University Physics 1: Thermodynamics: The Kinetic Theory of Gases).

24. An airplane passenger has 100 cm³ of air in his stomach just before the plane takes off from a sea-level
airport. What volume will the air have at cruising altitude if cabin pressure drops to 7.50 × 10 N/m²?
25. A company advertises that it delivers helium at a gauge pressure of 1.72 × 107 Pa in a cylinder of
volume 43.8 L. How many balloons can be inflated to a volume of 4.00 L with that amount of helium?
Assume the pressure inside the balloons is 1.01 × 105 Pa and the temperature in the cylinder and the
balloons is 25.0 °C.
Transcribed Image Text:24. An airplane passenger has 100 cm³ of air in his stomach just before the plane takes off from a sea-level airport. What volume will the air have at cruising altitude if cabin pressure drops to 7.50 × 10 N/m²? 25. A company advertises that it delivers helium at a gauge pressure of 1.72 × 107 Pa in a cylinder of volume 43.8 L. How many balloons can be inflated to a volume of 4.00 L with that amount of helium? Assume the pressure inside the balloons is 1.01 × 105 Pa and the temperature in the cylinder and the balloons is 25.0 °C.
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