Chemical Engineering Thermodynamics A closed system is cooled reversibly from 100°C to 50°C. If no work is done on the system Its internal energy (U) decreases and its entropy (S) increases U is constant but S decreases U and S both decreases U decreases but S is constant Its internal energy (U) decreases and its entropy (S) increases U is constant but S decreases U and S both decreases U decreases but S is constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Entropy of a substance remains constant during a/an __________ change. Reversible adiabatic None of these Reversible isothermal Irreversible isothermal Reversible adiabatic None of these Reversible isothermal Irreversible isothermal ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Sublimation temperature of dry ice (solid CO₂) is __________ °C. -78 0 5 -273 -78 0 5 -273 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics __________ increases with increase in pressure. Both A and B Neither A nor B The boiling point of a liquid The melting point of wax Both A and B Neither A nor B The boiling point of a liquid The melting point of wax ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Entropy is a/an None of these Macroscopic property State function Extensive property None of these Macroscopic property State function Extensive property ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Throttling process is a/an __________ process. Reversible and constant enthalpy Reversible and isothermal Reversible and constant entropy Irreversible and constant enthalpy Reversible and constant enthalpy Reversible and isothermal Reversible and constant entropy Irreversible and constant enthalpy ANSWER DOWNLOAD EXAMIANS APP