Chemical Engineering Thermodynamics In a reversible process Tds = dE + dW DW - dE = Tds DE - dW = Tds Tds - dW + dE >0 Tds = dE + dW DW - dE = Tds DE - dW = Tds Tds - dW + dE >0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Choose the condition that must be specified in order to liquify CO₂ (triple point for CO₂ is - 57°C and 5.2 atm). Pressure must be kept below 5.2 atm. and temperature must be kept above 57°C Pressure and temperature must be kept below 5.2 atm. and - 57°C respectively Temperature must be kept above - 57°C Pressure must be kept below 5.2 atm Pressure must be kept below 5.2 atm. and temperature must be kept above 57°C Pressure and temperature must be kept below 5.2 atm. and - 57°C respectively Temperature must be kept above - 57°C Pressure must be kept below 5.2 atm ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A chemical reaction will occur spontaneously at constant pressure and temperature, if the free energy is Negative Positive Zero None of these Negative Positive Zero None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A reasonably general expression for vapour-liquid phase equilibrium at low to moderate pressure is Φi yi P = Yi xi fi° where, Φ is a vapor fugacity component, Yi is the liquid activity co-efficient and fi° is the fugacity of the pure component i. the Ki value (Yi = Ki xi) is therefore, in general a function of Temperature and pressure only Temperature, pressure and liquid composition xi only Temperature only Temperature, pressure, liquid composition xi and vapour composition yi Temperature and pressure only Temperature, pressure and liquid composition xi only Temperature only Temperature, pressure, liquid composition xi and vapour composition yi ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Equilibrium constant decreases as the temperature Decreases, for an exothermic reaction Increases, for an endothermic reaction None of these Increases, for an exothermic reaction Decreases, for an exothermic reaction Increases, for an endothermic reaction None of these Increases, for an exothermic reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Entropy change in case of reversible adiabatic process is Indeterminate Zero Maximum Minimum Indeterminate Zero Maximum Minimum ANSWER DOWNLOAD EXAMIANS APP