logo

CuriousTab

CuriousTab

Discussion


Home Chemical Engineering Chemical Engineering Thermodynamics Comments

  • Question
  • Equilibrium constant decreases as the temperature


  • Options
  • A. increases, for an exothermic reaction.
  • B. decreases, for an exothermic reaction.
  • C. increases, for an endothermic reaction.
  • D. none of these.

  • Correct Answer
  • increases, for an exothermic reaction. 


  • Chemical Engineering Thermodynamics problems


    Search Results


    • 1. 1st law of thermodynamics is nothing but the law of conservation of

    • Options
    • A. momentum
    • B. mass
    • C. energy
    • D. none of these
    • Discuss
    • 2. A metal oxide is reduced by heating it in a stream of hydrogen. After complete reduction, it is found that 3.15 gm of the oxide has yielded 1.05 gm of the metal. It may be inferred that the

    • Options
    • A. atomic weight of the metal is 4.
    • B. equivalent weight of the metal is 4.
    • C. atomic weight of the metal is 2.
    • D. equivalent weight of the metal is 8.
    • Discuss
    • 3. On addition of 1 c.c. of dilute hydrochloric acid (1% concentration) to 80 c.c. of a buffer solution of pH = 4, the pH of the solution becomes

    • Options
    • A. 1
    • B. 8
    • C. 4
    • D. 2
    • Discuss
    • 4. S.T.P. corresponds to

    • Options
    • A. 1 atm. absolute pressure & 15.5°C.
    • B. 760 mm Hg gauge pressure & 15.5°C.
    • C. 760 torr & 0°C.
    • D. 101.325 kPa gauge pressure & 15.5°C.
    • Discuss
    • 5. One Newton is equal to __________ dynes.

    • Options
    • A. 102
    • B. 103
    • C. 104
    • D. 105
    • Discuss
    • 6. Which of the following is a thermodynamic property of a system?

    • Options
    • A. Concentration
    • B. Mass
    • C. Temperature
    • D. Entropy
    • Discuss
    • 7. Heating of water under atmospheric pressure is an __________ process.

    • Options
    • A. isochoric
    • B. isobaric
    • C. adiabatic
    • D. isothermal
    • Discuss
    • 8. Solubility of a substance which dissolves with an increase in volume and liberation of heat will be favoured by the

    • Options
    • A. low pressure and high temperature.
    • B. low pressure and low temperature.
    • C. high pressure and low temperature.
    • D. high pressure and high temperature.
    • Discuss
    • 9. The chemical potential of a component (?i) of a phase is the amount by which its capacity for doing all work, barring work of expansion is increased per unit amount of sustance added for an infinitesimal addition at constant temperature and pressure. It is given by

    • Options
    • A.
    • B.
    • C.
    • D. all (a), (b) and (c)
    • Discuss
    • 10. In a working refrigerator, the value of COP is always

    • Options
    • A. 0
    • B. < 0
    • C. < 1
    • D. > 1
    • Discuss


    Comments

    There are no comments.

Enter a new Comment