Chemical Engineering Thermodynamics The variation of heat of reaction with temperature at constant pressure is given by the __________ law. Antonie's Kelvin's Kirchoffs None of these Antonie's Kelvin's Kirchoffs None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The entropy change in a reversible isothermal process, when an ideal gas expands to four times its initial volume is R log10 4 Cv log10 4 R loge 4 Cv loge 4 R log10 4 Cv log10 4 R loge 4 Cv loge 4 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics An ideal liquid refrigerant should Both A and B Not have a subatmospheric vapour pressure at the temperature in the refrigerator coils Not have unduly high vapour pressure at the condenser temperature Have low specific heat Both A and B Not have a subatmospheric vapour pressure at the temperature in the refrigerator coils Not have unduly high vapour pressure at the condenser temperature Have low specific heat ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Trouton's ratio is given by (where λb, = molal heat of vaporisation of a substance at its normal boiling point, kcal/kmol Tb = normal boiling point, °K ) √(Tb/λb) λb/Tb Tb/λb √(λb/Tb) √(Tb/λb) λb/Tb Tb/λb √(λb/Tb) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Boiling of liquid is accompanied with increase in the All of these Specific Gibbs free energy Specific entropy Vapor pressure All of these Specific Gibbs free energy Specific entropy Vapor pressure 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 Both B and C Simultaneous pressure & temperature change Heating Cooling Both B and C Simultaneous pressure & temperature change Heating ANSWER DOWNLOAD EXAMIANS APP
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