Chemical Engineering Thermodynamics The melting point of paraffin wax (which contracts on solidification) __________ with pressure rise. Decreases Remains unchanged Decreases linearly Increases Decreases Remains unchanged Decreases linearly Increases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In any spontaneous process, Both F and A decreases Only A decreases Both F and A increase Only F decreases Both F and A decreases Only A decreases Both F and A increase Only F decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Compressibility factor (i.e., the ratio of actual volume of gas to the volume predicted by ideal gas law) for all gases are Both B & C Same at the same reduced temperature Always greater than one Same at the same reduced pressure Both B & C Same at the same reduced temperature Always greater than one Same at the same reduced pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics When liquid and vapour phases of one component system are in equilibrium (at a given temperature and pressure), the molar free energy is Replaced by chemical potential which is more in vapour phase More in vapour phase Same in both the phases More in liquid phase Replaced by chemical potential which is more in vapour phase More in vapour phase Same in both the phases More in liquid phase ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The freezing point of a liquid decreases when the pressure is increased, if the liquid __________ while freezing. Expands Contracts Does not change in volume Either A, B or C Expands Contracts Does not change in volume Either A, B or C ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In reactions involving solids and liquids (where change in volume is negligible), the heat of reaction at constant pressure as compared to that at constant volume is Unpredictable; depends on the particular reaction More Less Same Unpredictable; depends on the particular reaction More Less Same ANSWER DOWNLOAD EXAMIANS APP
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