Chemical Engineering Thermodynamics Which of the following identities can be most easily used to verify steam table data for superheated steam. (∂V/∂T)P = -(∂S/∂P)T (∂T/∂V)S = (∂p/∂S)V (∂P/∂T)V = (∂S/∂V)T (∂T/∂P)S = (∂V/∂S)P (∂V/∂T)P = -(∂S/∂P)T (∂T/∂V)S = (∂p/∂S)V (∂P/∂T)V = (∂S/∂V)T (∂T/∂P)S = (∂V/∂S)P ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The freezing point of a liquid decreases when the pressure is increased, if the liquid __________ while freezing. Does not change in volume Either A, B or C Contracts Expands Does not change in volume Either A, B or C Contracts Expands ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In vapour compression refrigeration system, if the evaporator temperature and the condenser temperatures are -13°C and 37°C respetively, the Carnot COP will be Data insufficient, can't be found out 0.168 5.2 6.2 Data insufficient, can't be found out 0.168 5.2 6.2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Specific __________ does not change during phase change at constant temperature and pressure. Internal energy Enthalpy Gibbs energy Entropy Internal energy Enthalpy Gibbs energy Entropy ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For spontaneous changes in an isolated system (S = entropy) Ds = 0 Ds = Constant Ds > 0 Ds <0 Ds = 0 Ds = Constant Ds > 0 Ds <0 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 Replaced by chemical potential which is more in vapour phase More in liquid phase More in vapour phase Same in both the phases Replaced by chemical potential which is more in vapour phase More in liquid phase More in vapour phase Same in both the phases ANSWER DOWNLOAD EXAMIANS APP