Pressure on an object as it rises up into the atmosphere

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    Atmosphere Pressure
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SUMMARY

The discussion focuses on calculating the pressure change experienced by an object, specifically a helium-filled balloon, as it ascends through the atmosphere. At sea level, the balloon is subjected to a pressure of 1.0 atm and a temperature of 20.0°C. Upon reaching an altitude of 3330 m, the pressure drops to 0.65 atm and the temperature decreases to 5.0°C. The key calculation involves determining the ratio of the balloon's volume at altitude to its volume at sea level using the Ideal Gas Law.

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  • Understanding of the Ideal Gas Law
  • Basic knowledge of atmospheric pressure and temperature variations
  • Familiarity with the concept of volume ratios in gas behavior
  • Ability to perform calculations involving pressure, volume, and temperature
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  • Study the Ideal Gas Law and its applications in real-world scenarios
  • Research atmospheric pressure changes with altitude using barometric formulas
  • Explore the relationship between temperature and volume in gases
  • Learn about buoyancy effects on helium balloons at different altitudes
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how would you find the pressure on an object as it rises up into the atmosphere

ex.
A child's helium-filled balloon escapes at sea level and 20.0°C. It reaches an altitude of 3330 m, where the temperature is 5.0°C and the pressure only 0.65 atm. What is the ratio of its volume at this altitude to its volume at sea level?
 
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