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How is the establishment of water and wa...

How is the establishment of water and water vapour equilibrium detected?

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Take water in a vessel, attached with a manometer. Close the vessel and heat. The water starts vapourising The height of mercury in manometer starts raising.
The vapour starts condensing to give water. At one stage the rate of vapourisation and the rate of condensation will be the same. Equilibrium is established. It can be detected by observing the constant pressure noticed in the manometer mercury reading.
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AAKASH SERIES-CHEMICAL EQUILIBRIUM -QUESTIONS FOR DESCRIPTIVE ANSWERS
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  3. Is evaporation of water a reversible process?

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  8. At an equilibrium pressure of 2atm, the Kp for the reaction PCl5(g) le...

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  9. At 125^@C the Kp for the reaction N2(g)+3H2(g) leftrightarrow 2NH3(g) ...

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  10. For the reaction H2(g)+Br2(g) leftrightarrow 2HBr(g) at 1024K, Kp is ...

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  12. Some solid NH4HS is placed in a flask containing 0.5 atm NH3. What is ...

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  14. The equilibrium constant K(c) for the SO(2(g)) + NO(2(g)) hArr SO(3(g)...

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  15. An equilibrium mixture N2O4 leftrightarrow 2NO2 at 300K contains N2O4 ...

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  17. The equilibrium constant for the polymerisation of formaldehyde to glu...

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  19. The degree of dissociation is 0.4 at 400 K and a I atm for the gaseous...

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