Question

iv) What is an ideal gas ? Does an ideal gas exist in practice ?.​

Answer 1

Answer:

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Explanation:

Ideal gases are gases whose molecules have no size and the collisions between them are perfectly elastic. Negligible intermolecular forces exist between the gas molecules. The idea of an ideal gas is hypothetical and they do not exist in the physical universe.

Answer 2

An ideal gas is one that obeys the gas laws and does not exist in real life or practice.

Explanation:

• An ideal or perfect gas obeys the gas laws (Boyle's law, Charles' law, and Gay's law) at all pressures and temperatures. A perfect gas cannot be liquefied by applying pressure or lowering the temperature. '
• The only properties of an ideal gas molecule are mass and velocity. Its structure and size are not considered. Intermolecular forces are also zero, except during collisions.-
• Under all temperature and pressure circumstances, an ideal gas obeys the gas laws. To accomplish so, the gas must strictly adhere to the kinetic-molecular theory. There must be no volume in the gas particles, and no attraction forces between them. 
• There can be no such thing as a perfect gas because none of those conditions can be met.