Chemical Engineering Thermodynamics Free energy change at equilibrium is Negative Indeterminate Positive Zero Negative Indeterminate Positive Zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Critical compressibility factor for all substances None of these Vary as square of the absolute pressure Vary as square of the absolute temperature Are more or less constant (vary from 0.2 to 0.3) None of these Vary as square of the absolute pressure Vary as square of the absolute temperature Are more or less constant (vary from 0.2 to 0.3) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Refrigeration cycle Neither A nor B Both A and B Involves transfer of heat from low temperature to high temperature Violates second law of thermodynamics Neither A nor B Both A and B Involves transfer of heat from low temperature to high temperature Violates second law of thermodynamics ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics One ton of refrigeration is defined as the heat rate corresponding to melting of one ton of ice in one Day Second Hour Minute Day Second Hour Minute ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics When pressure is applied on the system, ice ⟷ water, then Equilibrium can not be established More ice will be formed Evaporation of water will take place More water will be formed Equilibrium can not be established More ice will be formed Evaporation of water will take place More water will be formed ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The theoretical minimum work required to separate one mole of a liquid mixture at 1 atm, containing 50 mole % each of n- heptane and n- octane into pure compounds each at 1 atm is 0.5 RT -2 RT ln 0.5 -RT ln 0.5 2 RT 0.5 RT -2 RT ln 0.5 -RT ln 0.5 2 RT ANSWER DOWNLOAD EXAMIANS APP