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What happens to the air in a sealed container when heated?
- a)It turns into water vapour
- b)It expands and exerts more pressure
- c)It condenses into liquid
- d)It becomes invisible
Correct answer is option 'B'. Can you explain this answer?
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Most Upvoted Answer
What happens to the air in a sealed container when heated?a)It turns i...
When air in a sealed container is heated, it undergoes several physical changes. Let’s explore why the correct answer is option 'B'.
Understanding Air Behavior in a Sealed Container
When air is heated, it behaves according to the principles of gas laws, particularly the ideal gas law, which states that pressure and temperature are directly related in a closed system.
Key Effects of Heating Air
- Expansion of Air: As the temperature rises, the kinetic energy of the air molecules increases. This means that the molecules move faster and collide with each other and the walls of the container more vigorously, leading to expansion.
- Increased Pressure: Since the air is in a sealed container, the expansion of air molecules results in increased pressure. The molecules push against the walls of the container, causing the pressure inside to rise.
- No Phase Change: While air can contain water vapor, heating does not necessarily turn all the air into water vapor, nor does it condense into liquid. Instead, it primarily remains in gaseous form.
Conclusion
Thus, when the air in a sealed container is heated, it expands and exerts more pressure (option 'B'). Understanding this behavior is crucial for applications in various fields, including engineering and meteorology.
Understanding Air Behavior in a Sealed Container
When air is heated, it behaves according to the principles of gas laws, particularly the ideal gas law, which states that pressure and temperature are directly related in a closed system.
Key Effects of Heating Air
- Expansion of Air: As the temperature rises, the kinetic energy of the air molecules increases. This means that the molecules move faster and collide with each other and the walls of the container more vigorously, leading to expansion.
- Increased Pressure: Since the air is in a sealed container, the expansion of air molecules results in increased pressure. The molecules push against the walls of the container, causing the pressure inside to rise.
- No Phase Change: While air can contain water vapor, heating does not necessarily turn all the air into water vapor, nor does it condense into liquid. Instead, it primarily remains in gaseous form.
Conclusion
Thus, when the air in a sealed container is heated, it expands and exerts more pressure (option 'B'). Understanding this behavior is crucial for applications in various fields, including engineering and meteorology.
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Community Answer
What happens to the air in a sealed container when heated?a)It turns i...
When air in a sealed container is heated, it expands and exerts more pressure. This is because heating causes the air molecules to move faster and spread out, increasing the volume and pressure within the container. This principle is used in various applications, including hot air balloons and pressure cookers.
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What happens to the air in a sealed container when heated?a)It turns into water vapourb)It expands and exerts more pressurec)It condenses into liquidd)It becomes invisibleCorrect answer is option 'B'. Can you explain this answer?
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