Chemical Engineering Thermodynamics The expression for entropy change given by, ΔS = - nR ln (P₂/P₁), holds good for Expansion of a real gas Cooling of a real gas Reversible isothermal volume change Heating of an ideal gas Expansion of a real gas Cooling of a real gas Reversible isothermal volume change Heating of an ideal gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A closed system is cooled reversibly from 100°C to 50°C. If no work is done on the system Its internal energy (U) decreases and its entropy (S) increases U and S both decreases U decreases but S is constant U is constant but S decreases Its internal energy (U) decreases and its entropy (S) increases U and S both decreases U decreases but S is constant U is constant but S decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following processes can not be made reversible even under ideal condition of operation? All of these Expansion of steam in a turbine Compression of air in a compressor Free expansion of a gas All of these Expansion of steam in a turbine Compression of air in a compressor Free expansion of a gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The unity of Planck's constant 'h' in the equation, E = hv is J/kmol Kmol/J J.S J/s J/kmol Kmol/J J.S J/s ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Grams of butane (C₄H₁₀) formed by the liquefaction of 448 litres of the gas (measured at (STP) would be 580 Data insufficient; can't be computed 640 1160 580 Data insufficient; can't be computed 640 1160 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Boiling of liquid is accompanied with increase in the Specific Gibbs free energy Vapor pressure Specific entropy All of these Specific Gibbs free energy Vapor pressure Specific entropy All of these ANSWER DOWNLOAD EXAMIANS APP
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