Pick out the wrong statement?

Thermodynamics for Chemical 13/12/2020

A. Surface tension of a substance vanishes at critical point, as there is no distinction between
liquid and vapour phases at its critical point
B. Entropy of a system decreases with the evolution of heat
C. Change of internal energy is negative for exothermic reactions
D. The eccentric factor for all materials is always more than one

Related Mcqs:

    Cv is given by__________________?
    A. (∂E/∂T)V B. (∂E/∂V)T C. (∂E/∂P)V D. (∂V/∂T)P...
    For a cyclic process, a fixed ratio between heat and work___________________?
    A. Always exists B. May exist C. Never exists D. Is difficult to predict...
    In vapour compression refrigeration system, if the evaporator temperature and the condenser temperatures are -13°C and 37°C respectively, the Carnot COP will be________________?
    A. 5.2 B. 6.2 C. 0.168 D. Data insufficient, can’t be found out...
    During a reversible isothermal expansion of an ideal gas, the entropy change is___________________?
    A. +ve B. 0 C. -ve D. ∞...
    Cv for an ideal gas__________________?
    A. Does not depend upon temperature B. Is independent of pressure only C. Is independent of volume only D. Is independent of both pressure and volume...

Leave a Reply

Your email address will not be published. Required fields are marked *