Chemical Engineering Thermodynamics The entropy change in a reversible isothermal process, when an ideal gas expands to four times its initial volume is Cv log10 4 R log10 4 Cv loge 4 R loge 4 Cv log10 4 R log10 4 Cv loge 4 R loge 4 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The standard state of a gas (at a given temperature) is the state in which fugacity is equal to Activity Unity Neither A nor B Both A & B Activity Unity Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics High __________ is an undesirable property for a good refrigerant. Latent heat of vaporisation Specific vapor volume Viscosity Specific heat Latent heat of vaporisation Specific vapor volume Viscosity Specific heat ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The internal energy of an ideal gas does not change in a reversible __________ process. Adiabatic Isobaric Isothermal Isometric Adiabatic Isobaric Isothermal Isometric ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Choose the condition that must be specified in order to liquify CO₂ (triple point for CO₂ is - 57°C and 5.2 atm). Pressure and temperature must be kept below 5.2 atm. and - 57°C respectively Temperature must be kept above - 57°C Pressure must be kept below 5.2 atm Pressure must be kept below 5.2 atm. and temperature must be kept above 57°C Pressure and temperature must be kept below 5.2 atm. and - 57°C respectively Temperature must be kept above - 57°C Pressure must be kept below 5.2 atm Pressure must be kept below 5.2 atm. and temperature must be kept above 57°C ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics At triple point (for one component system), vapour pressure of solid as compared to that of liquid will be Less Same More More or less ; depending on the system Less Same More More or less ; depending on the system ANSWER DOWNLOAD EXAMIANS APP
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