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Home Chemical Engineering Stoichiometry Comments

  • Question
  • How many phases are present at eutectic point?


  • Options
  • A. 1
  • B. 2
  • C. 3
  • D. unpredictable

  • Correct Answer



  • Stoichiometry problems


    Search Results


    • 1. Unit of power is

    • Options
    • A. joule
    • B. watt
    • C. joule/Second
    • D. both(b)&(c)
    • Discuss
    • 2. Which of the following is the Claussius-Clayperon equation?

    • Options
    • A. PV = RT + B/V + y/V2 + ....
    • B. (P + a/V2)(V-b) = RT
    • C.
    • D.
    • Discuss
    • 3. Internal energy is independent of the __________ for an ideal gas.

    • Options
    • A. pressure
    • B. volume
    • C. both (a) & (b)
    • D. neither (a) nor (b)
    • Discuss
    • 4. Avogadro's number is equal to

    • Options
    • A. 6.023 x 1023 molecules/kg.mole.
    • B. 6.023 x 1023 molecules/gm.mole.
    • C. 6.023 x 1016 molecules/kg.mole.
    • D. 6.023 x 1026 molecules/gm.mole.
    • Discuss
    • 5. With rise in temperature, the solubility of ammonia in water at a fixed pressure

    • Options
    • A. increases
    • B. decreases
    • C. remains unchanged
    • D. increases exponentially
    • Discuss
    • 6. Which of the following is insensitive to changes in pressure?

    • Options
    • A. Heat of vaporisation
    • B. Melting point
    • C. Heat of fusion
    • D. Both (b) and (c)
    • Discuss
    • 7. The number of H+ in 1 c.c solution of pH 13 is

    • Options
    • A. 6.023 xl013
    • B. 6.023 x 1010
    • C. 6.023xl07
    • D. 1013
    • Discuss
    • 8. The heat capacity of a solid compound is calculated from the atomic heat capacities of its constituent elements with the help of the

    • Options
    • A. Trouton's rule
    • B. Kopp's rule
    • C. Antonie equation
    • D. Kistyakowsky equation
    • Discuss
    • 9. If the absolute temperature of an ideal gas is tripled and simultaneously the pressure is reduced to one third; then the volume of gas will

    • Options
    • A. remain unaltered
    • B. increase nine fold
    • C. increase three fold
    • D. decrease three fold
    • Discuss
    • 10. Except for monoatomic gases, the molal heat capacity at constant volume for all gases is __________ Kcal/Kg mole.° K.

    • Options
    • A. 3
    • B. > 3
    • C. < 3
    • D. < 1
    • Discuss


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