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A gas is enclosed in a container which is then placed on a fast moving train. The temperature ________?
1. Remain unchanged
2. Becomes unsteady
3. Falls
4. Rises

1 Answer

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Best answer
Correct Answer - Option 1 : Remain unchanged

CONCEPT:

  • Gas is a substance like the air that is neither liquid nor solid and burns easily it is used as a fuel for cooking and heating.
    •  An ideal gas is a theoretical gas composed of a set of randomly-moving point particles that interact only through elastic collisions.
    • Ideal gas equation: The ideal gas law is the equation of the state of a hypothetical ideal gas. It is a good approximation to the behavior of many gases under many conditions, although it has several limitations. The ideal gas equation can be written as

PV = nRT,

Where P is the pressure of the ideal gas, V is the volume of the ideal gas, n is the amount of ideal gas measured in terms of moles, R is the universal gas constant, and T is the temperature.

EXPLANATIONS:

  • In a moving, the pressure inside the container remains the same.
  • volume and number of moles are also the same as the container is close.

so by the ideal-gas equation, PV = n RT

  • The temperature will be the same.
  • Hence option 1 is the correct answer.

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