A. Matter
B. Energy
C. Neither matter nor energy
D. Both matter and energy
Related Mcqs:
- For equilibrium process (i.e. reversible) in an isolated system __________________?
A. ds = 0
B. ds 0
D. ds = Constant - For spontaneous changes in an isolated system (S = entropy) ___________________?
A. ds = 0
B. ds <0
C. ds > 0
D. ds = Constant - Entropy change for an irreversible isolated system is__________________?
A. ∞
B. 0
C. < 0
D. > 0 - A system in which there is exchange of energy but not of mass, is called a/an ____________ system?
A. Isolated
B. Open
C. Insulated
D. Closed - If the pressure on 100 c.c. of air is halved, then its volume (at the same temperature) would be ______________ c.c?
A. 100
B. 50
C. 205
D. 200 - “The fugacity of a gas in a mixture is equal to the product of its mole fraction and its fugacity in the pure state at the total pressure of the mixture”. This is__________________?
A. The statement as per Gibbs-Helmholtz
B. Called Lewis-Randall rule
C. Henry’s law
D. None of these - A solute distributes itself between two non-miscible solvents in contact with each other in such a way that, at a constant temperature, the ratio of its concentrations in two layers is constant, irrespective of its total amount”. This is_________________?
A. The distribution law
B. Followed from Margules equation
C. A corollary of Henry’s law
D. None of these - A gas can be liquefied by pressure alone only, when its temperature is _____________ its critical temperature?
A. Less than
B. More than
C. Equal to or higher than
D. Less than or equal to - The amount of heat required to decompose a compound into its elements is _____________ the heat of formation of that compound from its elements?
A. Less than
B. More than
C. Same as
D. Not related to - Heat requirement for decomposition of a compound into its elements is _____________ that is evolved during the formation of that compound from its elements?
A. The same
B. Less than
C. Greater than
D. Different than
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