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Home Chemical Engineering Chemical Engineering Thermodynamics Comments

  • Question
  • 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.

  • Correct Answer
  • low pressure and low temperature. 


  • Chemical Engineering Thermodynamics problems


    Search Results


    • 1. Heating of water under atmospheric pressure is an __________ process.

    • Options
    • A. isochoric
    • B. isobaric
    • C. adiabatic
    • D. isothermal
    • Discuss
    • 2. Which of the following is a thermodynamic property of a system?

    • Options
    • A. Concentration
    • B. Mass
    • C. Temperature
    • D. Entropy
    • Discuss
    • 3. 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.
    • Discuss
    • 4. 1st law of thermodynamics is nothing but the law of conservation of

    • Options
    • A. momentum
    • B. mass
    • C. energy
    • D. none of these
    • Discuss
    • 5. 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
    • 6. 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
    • 7. In a working refrigerator, the value of COP is always

    • Options
    • A. 0
    • B. < 0
    • C. < 1
    • D. > 1
    • Discuss
    • 8. Linde gas liquefaction process employs cooling

    • Options
    • A. by throttling
    • B. by expansion in an engine
    • C. at constant pressure
    • D. none of these
    • Discuss
    • 9. The theoretical minimum work required to separate one mole of a liquid mixture at 1 atm, containing 50 mole % each of n- heptane and n- octane into pure compounds each at 1 atm is

    • Options
    • A. -2 RT ln 0.5
    • B. -RT ln 0.5
    • C. 0.5 RT
    • D. 2 RT
    • Discuss
    • 10. A chemical reaction will occur spontaneously at constant pressure and temperature, if the free energy is

    • Options
    • A. zero
    • B. positive
    • C. negative
    • D. none of these
    • Discuss


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