For a real gas, the chemical potential is given by None of these RT dlnf R dlnf RT dlnP TRUE ANSWER : ? YOUR ANSWER : ?
Fugacity of a component in an ideal gas mixture is euqal to the partial pressure of that component in the mixture. The fugacity of each component in a stable homogeneous solution at contant pressure and temperature __________ as its mole fraction increases. Decreases Increases Remains constant Decreases exponentially TRUE ANSWER : ? YOUR ANSWER : ?
Internal energy is equal to the heat absorbed in case of a/an __________ process. Constant pressure Adiabatic Constant volume Polytropic TRUE ANSWER : ? YOUR ANSWER : ?
When dilute aqueous solutions of two salts are mixed, the process is associated with Decrease in temperature Change in temperature which is a function of composition Increase in temperature No change in temperature TRUE ANSWER : ? YOUR ANSWER : ?
When a gas is subjected to adiabatic expansion, it gets cooled due to Decrease in kinetic energy Decrease in temperature Energy spent in doing work Decrease in velocity TRUE ANSWER : ? YOUR ANSWER : ?
When a gas is expanded from high pressure region to low pressure region ; temper -ature change occurs. This phenomenon is related to the Joule-Thomson effect Gibbs-Duhem equation Gibbs-Helmholtz equation Third law of thermodynamics TRUE ANSWER : ? YOUR ANSWER : ?
Lowering of condenser temperature (keeping the evaporator temperature constant) in case of vapour compression refrigeration system results in Increased COP Same COP Increased or decreased COP ; depending upon the type of refrigerant Decreased COP TRUE ANSWER : ? YOUR ANSWER : ?
PVγ = Constant (where, γ = Cp/Cv) is valid for a/an __________ process. Isobaric Isothermal Adiabatic Isentropic TRUE ANSWER : ? YOUR ANSWER : ?
__________ explains the equilibrium constant for any chemical reaction. None of these Hess's law Henry's law Law of mass action TRUE ANSWER : ? YOUR ANSWER : ?
Compressibility factor for almost all the gases are approximately same at the same Critical pressure and critical temperature None of these Reduced pressure and reduced temperature Pressure and temperature TRUE ANSWER : ? YOUR ANSWER : ?