Chemical Engineering Thermodynamics What is the value of ln y (where y = activity co-efficient) for ideal gases? Zero Unity Infinity Negative Zero Unity Infinity Negative ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Cp of a gas at its critical temperature and pressure Equals 0.24 kcal/kmol °K Becomes zero Becomes infinity Equals 1 kcal/kmol °K Equals 0.24 kcal/kmol °K Becomes zero Becomes infinity Equals 1 kcal/kmol °K ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For a stable phase at constant pressure and temperature, the fugacity of each component in a binary system __________ as its mole fraction increases. Remains same Decreases Increases Decreases linearly Remains same Decreases Increases Decreases linearly ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Third law of thermodynamics is helpful in Calculating absolute entropies of substances at different temperature Evaluating entropy changes of chemical reaction Both B and C Prediction of the extent of a chemical reaction Calculating absolute entropies of substances at different temperature Evaluating entropy changes of chemical reaction Both B and C Prediction of the extent of a chemical reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The equation, Cp - Cv = R, is true for __________ gas. Both B and C Any real Only ideal No Both B and C Any real Only ideal No ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The total change in the enthalpy of a system is independent of the None of these State of combination and aggregation in the beginning and at the end of the reaction Pressure and temperature Number of intermediate chemical reactions involved None of these State of combination and aggregation in the beginning and at the end of the reaction Pressure and temperature Number of intermediate chemical reactions involved ANSWER DOWNLOAD EXAMIANS APP
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