Chemical Engineering Thermodynamics The fusion of a crystalline solid at its melting point to form a liquid at the same temperature is accompanied by Decrease of entropy Decrease in enthalpy corresponding to evolution of heat No change in enthalpy Increase in enthalpy corresponding to absorption of heat Decrease of entropy Decrease in enthalpy corresponding to evolution of heat No change in enthalpy Increase in enthalpy corresponding to absorption of heat ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In any spontaneous process, the __________ free energy decreases. Helmholtz Both of the listed here Neither A nor B Gibbs Helmholtz Both of the listed here Neither A nor B Gibbs ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is an undesirable characteristics of a refrigerant ? It should have a sub-atmospheric vapor pressure at the temperature in refrigerator coils Its vapor pressure at the condenser temperature should be very high None of these It should be non-explosive It should have a sub-atmospheric vapor pressure at the temperature in refrigerator coils Its vapor pressure at the condenser temperature should be very high None of these It should be non-explosive ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics At a given temperature, the volume of a gas dissolved in a solvent __________ with increase in pressure. Decreases Increases Remains unchanged May increase or decrease; depends on the gas Decreases Increases Remains unchanged May increase or decrease; depends on the gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The kinetic energy of gas molecule is zero at -273°C 273°C 0°C 100°C -273°C 273°C 0°C 100°C ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The unit of equilibrium constant of a chemical reaction is the same as that of Temperature Internal energy Molar concentration None of these Temperature Internal energy Molar concentration None of these ANSWER DOWNLOAD EXAMIANS APP
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