A. The energy change of a system undergoing any reversible process is zero
B. It is not possible to transfer heat from a lower temperature to a higher temperature
C. The total energy of system and surrounding remains the same
D. None of the above
Related Mcqs:
- “Law of corresponding states” says that___________________?
A. Two different gases behave similarly, if their reduced properties (i.e. P, V and T) are same
B. The surface of separation (i. e. the meniscus) between liquid and vapour phase disappears at
the critical temperature
C. No gas can be liquefied above the critical temperature, howsoever high the pressure may be.
D. The molar heat of energy of gas at constant volume should be nearly constant (about 3
calories) - Second law of thermodynamics is concerned with the_________________?
A. Amount of energy transferred
B. Direction of energy transfer
C. Irreversible processes only
D. Non-cyclic processes only - 1st law of thermodynamics is nothing but the law of conservation of___________________?
A. Momentum
B. Mass
C. Energy
D. None of these - The first law of thermodynamics is a restatement of the law of conservation of_________________?
A. Mass
B. Energy
C. Momentum
D. None of these - The third law of thermodynamics states that the__________________?
A. Heat capacity of a crystalline solid is zero at absolute zero temperature
B. Heat transfer from low temperature to high temperature source is not possible without external
work
C. Gases having same reduced properties behaves similarly
D. None of these - Third law of thermodynamics is concerned with the__________________?
A. Value of absolute entropy
B. Energy transfer
C. Direction of energy transfer
D. None of these - Third law of thermodynamics is helpful in___________________?
A. Prediction of the extent of a chemical reaction
B. Calculating absolute entropies of substances at different temperature
C. Evaluating entropy changes of chemical reaction
D. Both B. and C. - First law of thermodynamics deals with the ___________________?
A. Direction of energy transfer
B. Reversible processes only
C. Irreversible processes only
D. None of these - The first law of thermodynamics is a statement of conservation of_____________________?
A. Heat
B. Momentum
C. Energy
D. Work - _____________ law of thermodynamics ascertains the direction of a particular spontaneous process?
A. Zeroth
B. First
C. Second
D. Third
