Chemical Engineering Thermodynamics The second law of thermodynamics states that It is not possible to transfer heat from a lower temperature to a higher temperature None of these The total energy of system and surrounding remains the same The energy change of a system undergoing any reversible process is zero It is not possible to transfer heat from a lower temperature to a higher temperature None of these The total energy of system and surrounding remains the same The energy change of a system undergoing any reversible process is zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics What happens in a reversible adiabatic expansion process? Heating takes place Temperature is constant Cooling takes place Pressure is constant Heating takes place Temperature is constant Cooling takes place Pressure is constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics At a given temperature, the volume of a gas dissolved in a solvent __________ with increase in pressure. Remains unchanged Increases Decreases May increase or decrease; depends on the gas Remains unchanged Increases Decreases May increase or decrease; depends on the gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Free energy Remains unchanged in reversible processes carried at constant temperature and pressure All of these Change during a spontaneous process has a negative value Decreases in all spontaneous (or irreversible) processes Remains unchanged in reversible processes carried at constant temperature and pressure All of these Change during a spontaneous process has a negative value Decreases in all spontaneous (or irreversible) processes ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The unity of Planck's constant 'h' in the equation, E = hv is J/s Kmol/J J/kmol J.S J/s Kmol/J J/kmol J.S ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics An isolated system can exchange __________ with its surroundings. Energy Neither matter nor energy Both matter and energy Matter Energy Neither matter nor energy Both matter and energy Matter ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS