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A liquid is in equilibrium with its vapo...

A liquid is in equilibrium with its vapour in a sealed container at a fixed temoperature. The volume of the container is suddenly increased. What is the initial effect of the change on vapour pressyre?

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A liquid is in equilibrium with its vapour in a sealed container at a fixed temperature. The volume of the container is suddenly increased. What happens when equilibrium is restored finally and what will be the final vapour pressure?

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Knowledge Check

  • Consider the following equilibrium in a closed container N_(2)O_(4)(g) iff 2NO_(2)(g) . At a fixed temperature, the volume of the container is halved. For this change, which of the following statements is true regarding the equilibrium constant K_(p) and degree of dissociation (alpha) of N_(2)O_(4) ?

    A
    neither `K_(p)" nor "alpha` changes
    B
    both `K_(P) and alpha` change
    C
    `K_(p)` changes, but `alpha` does not
    D
    `K_(P)` does not change, but `alpha` changes

  • 11 moles N_(2) and 12 moles of H_(2) mixture reacted in 20 litre vessel at 800 K. After equilibrium was reached, 6 mole of H_(2) was present. 3.58 litre of liquid water is injected in equilibrium mixture and resultant gaseous mixture suddenly cooled to 300K. What is the final pressure of gaseous mixture? Neglect vapour pressure of liquid solution. Assume (i) all NH_(3) dissolved in water (ii) no change in volume of liquid (iii) no reaction of N_(2) and H_(2) at 300 K.

    A
    `18.47 atm`
    B
    `60 atm`
    C
    `22.5 atm`
    D
    `45 atm`

  • Equi molar concentrations of H_(2) and l_(2) are heated to equilibrium in a closed container. At equilibrium, the forward and backward rate constants are found to be equal. What % of the initial concentration of H_(2) reacted and got consumed at equilibrium?

    A
    `66%`
    B
    `50%`
    C
    `40%`
    D
    `33%`

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    A solution of 'A' and 'B' with 40 mole percent of 'A' is in equilibrium with its vapour which contain 50 mole percent of A. Assuming that the solution and the vapour behave ideally, calculate the ratio of the vapour pressures of pure A and pure 'B'.

    Consider 100 mLofa liquid contained in an isolated container at a pressure of 1 bar. The pressure is steeply increased to 100 bars. The volume of the liquid is decreased by 1 mL at this constant pressure. Find the value of DeltaH. (given Delta U=10J ).

    Consider 100 mL of a liquid contained in an isolated container at a pressure of 1 bar. The pressure is steeply increased to 100 bars. The volume of the liquid is decreased by 1 mL at this constant pressure. Find the value of AH. (given Delta U = 10 J)

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