Chemical Engineering Thermodynamics The change in Gibbs freee energy for vaporisation of a pure substance is Zero Positive May be positive or negative Negative Zero Positive May be positive or negative Negative ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is not a reversible process ? Solution of NaCl in water at 50°C None of these Expansion of an ideal gas against constant pressure Atmospheric pressure vaporisation of water at 100°C Solution of NaCl in water at 50°C None of these Expansion of an ideal gas against constant pressure Atmospheric pressure vaporisation of water at 100°C ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A refrigerator works on the principle of __________ law of thermodynamics. Third Second Zeroth First Third Second Zeroth First ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics __________ does not change during phase transformation processes like sublimation, melting & vaporisation. Gibbs free energy All of these Internal energy Entropy Gibbs free energy All of these Internal energy Entropy ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Entropy change of mixing two liquid substances depends upon the Molar concentration Quantity (i.e. number of moles) Both A and B Neither A nor B Molar concentration Quantity (i.e. number of moles) Both A and B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics dW and dq are not the exact differential, because q and W are State functions Intensive properties Path functions Extensive properties State functions Intensive properties Path functions Extensive properties ANSWER DOWNLOAD EXAMIANS APP