Chemical Engineering Thermodynamics Compound having large heat of formation is Less stable Either more or less stable ; depends on the compound More stable Not at all stable (like nascent O₂) Less stable Either more or less stable ; depends on the compound More stable Not at all stable (like nascent O₂) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A system in which there is exchange of energy but not of mass, is called a/an __________ system. Insulated Isolated Open Closed Insulated Isolated Open Closed ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics When a system is in equilibrium for all possible processes, the differential or finite change of entropy is < 0 > 0 None of these = 0 < 0 > 0 None of these = 0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following exemplifies an adiabatic process? Melting of ice Condensation of alcohol vapor Sudden bursting of a cycle tube Evaporation of water Melting of ice Condensation of alcohol vapor Sudden bursting of a cycle tube Evaporation of water ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The melting point of paraffin wax (which contracts on solidification) __________ with pressure rise. Decreases Remains unchanged Increases Decreases linearly Decreases Remains unchanged Increases Decreases linearly ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression for entropy change, ΔS = n Cp . ln (T₂/T₁), is valid for the __________ of a substance. Cooling Heating Simultaneous pressure & temperature change Both B and C Cooling Heating Simultaneous pressure & temperature change Both B and C ANSWER DOWNLOAD EXAMIANS APP
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