Chemical Engineering Thermodynamics The melting point of paraffin wax (which contracts on solidification) __________ with pressure rise. Remains unchanged Decreases linearly Decreases Increases Remains unchanged Decreases linearly Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For a given substance at a specified temperature, activity is __________ to fugacity. Equal None of these Inversely proportional Directly proportional Equal None of these Inversely proportional Directly proportional ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Third law of thermodynamics is helpful in Both B and C Calculating absolute entropies of substances at different temperature Evaluating entropy changes of chemical reaction Prediction of the extent of a chemical reaction Both B and C Calculating absolute entropies of substances at different temperature Evaluating entropy changes of chemical reaction Prediction of the extent of a chemical reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics During Joule-Thomson expansion of gases Entropy remains constant Temperature remains constant Enthalpy remains constant None of these Entropy remains constant Temperature remains constant Enthalpy remains constant None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics If different processes are used to bring about the same chemical reaction, the enthalpy change is same for all of them. This is __________ law. None of these Lavoisier and Laplace Kirchoff's Hess's None of these Lavoisier and Laplace Kirchoff's Hess's ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In the ammonia synthesis reaction, N₂ + 3H₂ ⇋ 2NH₃ + 22.4 kcal, the formation of NH₃ will be favoured by Low pressure Both low temperature and high pressure Low temperature only High temperature Low pressure Both low temperature and high pressure Low temperature only High temperature ANSWER DOWNLOAD EXAMIANS APP
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