Question

water vapours ideally do not at 273k why ? Explain​

Answer 1

Answer:

Water vapors do not behave ideally at 273o C.

Water vapors do not behave ideally at 273o C.The temperature of 273o C is below the critical temperature. At this temperature, water vapors can be converted into liquids by applying pressure.

Explanation:

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Answer 2

Answer:

Water does not behave exactly like an ideal gas because water is a polar molecule. And, the polar molecules of water, if properly oriented in space, have strong attraction to one another, and may form a hydrogen bond and condense back into liquid form. Also, when a gaseous water molecule has a collision with liquid water, if it is oriented in the right way (i.e. an oxygen atom comes into contact with a hydrogen atom), it will move back into the liquid phase. So, because water molecules move back into the liquid phase much more easily than ideal gas molecules, water vapor does not behave exactly as an ideal gas would.