Chemical Engineering Thermodynamics If atmospheric temperature and dew point are nearly equal, then the relative humidity is 50% Almost 100% Unpredictable Zero 50% Almost 100% Unpredictable Zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A chemical reaction will occur spontaneously at constant pressure and temperature, if the free energy is Negative None of these Zero Positive Negative None of these Zero Positive ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The total change in the enthalpy of a system is independent of the Number of intermediate chemical reactions involved State of combination and aggregation in the beginning and at the end of the reaction None of these Pressure and temperature Number of intermediate chemical reactions involved State of combination and aggregation in the beginning and at the end of the reaction None of these Pressure and temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics At equilibrium condition, the chemical potential of a material in different phases in contact with each other is equal. The chemical potential for a real gas (μ) is given by(where, μ = standard chemical potential at unit fugacity (f° = 1 atm.) and the gas behaves ideally.) μ°+ R lnf μ° + RT ln f μ° + R/T lnf μ° + T lnf μ°+ R lnf μ° + RT ln f μ° + R/T lnf μ° + T lnf ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The melting point of paraffin wax (which contracts on solidification) __________ with pressure rise. Decreases linearly Decreases Increases Remains unchanged Decreases linearly Decreases Increases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics At normal boiling point, molar entropy of vaporisation is __________ Joule/K°.mole. 92 142 192 72 92 142 192 72 ANSWER DOWNLOAD EXAMIANS APP
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