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Chemical Engineering :: Stoichiometry

  1. Which of the following is insensitive to changes in pressure ?

  2. A.
    Heat of vaporisation
    B.
    Melting point
    C.
    Heat of fusion
    D.
    Both (b) and (c)

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  3. The heat capacity of a solid compound is calculated from the atomic heat capacities of its constituent elements with the help of the

  4. A.
    Trouton's rule
    B.
    Kopp's rule
    C.
    Antonie equation
    D.
    Kistyakowsky equation

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  5. How many phases are present at eutectic point ?

  6. A.
    1
    B.
    2
    C.
    3
    D.
    unpredictable

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  7. The increase in the temperature of the aqueous solution will result in decrease of its

  8. A.
    weight % of the solute.
    B.
    mole fraction of the solute.
    C.
    molarity.
    D.
    molality.

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  9. Which of the following gases is the most soluble in water ?

  10. A.
    NH3
    B.
    CO2
    C.
    H2S
    D.
    CH4

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  11. Except for monoatomic gases, the molal heat capacity at constant volume for all gases is __________ Kcal/Kg mole.° K.

  12. A.
    3
    B.
    > 3
    C.
    < 3
    D.
    < 1

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  13. Heat of reaction is a function of the

  14. A.
    pressure
    B.
    temperature
    C.
    both(a)&(b)
    D.
    neither (a) nor (b)

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  15. Enthalpy of a vapor gas mixture may be increased by increasing the

  16. A.
    temperature at constant humidity.
    B.
    humidity at constant temperature.
    C.
    temperature and the humidity.
    D.
    all (a), (b) & (c).

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  17. The gravimetric (i.e., by weight) composition of a vapor saturated gas is independent of the

  18. A.
    nature of both the gas & the liquid.
    B.
    temperature.
    C.
    total pressure.
    D.
    none of these.

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  19. In the reaction, Ca + 2H2O = Ca(OH)2 + H2 ; what volume (c.c.) of hydrogen at STP would be liberated, when 8 gm of calcium reacts with excess water ? (atomic weight of calcium = 40)

  20. A.
    4480
    B.
    2240
    C.
    1120
    D.
    0.4

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