Equilibrium

  • Question 1
    CBSEENCH11006300

    What is equilibrium?

    Solution
    It may be defined as a state in all changes or reactions carried in a closed vessel, where the measurable properties of the system such as colour, density, vapour pressure, concentration, temperature etc. do not show any further noticeable change.
    Question 2
    CBSEENCH11006301

    Give two examples of physical equilibrium.

    Solution

    (i) Evaporation of water in a closed vessel.

    (ii) Dissolution of a gas in a liquid under pressure in a closed vessel.

    Question 3
    CBSEENCH11006302

    What kind of molecules in a liquid can evaporate?

    Solution
    The molecules having high kinetic energies can evaporate.
    Question 4
    CBSEENCH11006303

    Name the factors on which vapour pressure of any liquid depends.

    Solution
    Factor at which vapours pressure of a liquid depends on:(i) Temperature (ii) Nature of liquid.

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