Chemical Engineering Thermodynamics Number of components (C), phase (P) and degrees of freedom (F) are related by Gibbs phase rule as P = F - C - 2 C = P - F + 2 F = C - P - 2 P + F - C = 2 P = F - C - 2 C = P - F + 2 F = C - P - 2 P + F - C = 2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In reactions involving solids and liquids (where change in volume is negligible), the heat of reaction at constant pressure as compared to that at constant volume is Unpredictable; depends on the particular reaction Less More Same Unpredictable; depends on the particular reaction Less More Same ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The absolute entropy for all crystalline substances at absolute zero temperature is Zero More than zero Negative Indeterminate Zero More than zero Negative Indeterminate ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A chemical reaction will occur spontaneously at constant pressure and temperature, if the free energy is None of these Zero Positive Negative None of these Zero Positive Negative ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics At the critical point of a substance There is no distinction between liquid and vapour phases The surface tension vanishes Liquid and vapour have the same density All of these There is no distinction between liquid and vapour phases The surface tension vanishes Liquid and vapour have the same density All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Thermal efficiency of a Carnot engine can approach 100%, only when the temperature of the Neither A nor B Either A or B Hot reservoir approaches infinity Cold reservoir approaches zero Neither A nor B Either A or B Hot reservoir approaches infinity Cold reservoir approaches zero ANSWER DOWNLOAD EXAMIANS APP
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