Chemical Engineering Thermodynamics A change in state involving a decrease in entropy can be spontaneous, only if It takes place at constant volume It is isenthalpic It is exothermic It takes place isothermally It takes place at constant volume It is isenthalpic It is exothermic It takes place isothermally ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics If the molar heat capacities (Cp or Cv) of the reactants and products of a chemical reaction are identical, then, with the increase in temperature, the heat of reaction will Decrease Remain unaltered Increase Increase or decrease ; depends on the particular reaction Decrease Remain unaltered Increase Increase or decrease ; depends on the particular reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Reduced pressure of a gas is the ratio of its Pressure to critical pressure Critical pressure to pressure Pressure to pseudocritical pressure Pseudocritical pressure to pressure Pressure to critical pressure Critical pressure to pressure Pressure to pseudocritical pressure Pseudocritical pressure to pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics When liquid and vapour phases of one component system are in equilibrium (at a given temperature and pressure), the molar free energy is More in liquid phase Same in both the phases Replaced by chemical potential which is more in vapour phase More in vapour phase More in liquid phase Same in both the phases Replaced by chemical potential which is more in vapour phase More in vapour phase ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The freezing point of a liquid decreases when the pressure is increased, if the liquid __________ while freezing. Contracts Does not change in volume Either A, B or C Expands Contracts Does not change in volume Either A, B or C Expands ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A gas performs the maximum work, when it expands Adiabatically Isothermally Non-uniformly Isobarically Adiabatically Isothermally Non-uniformly Isobarically ANSWER DOWNLOAD EXAMIANS APP
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