Chemical Engineering Thermodynamics The internal energy of an ideal gas does not change in a reversible __________ process. Adiabatic Isobaric Isothermal Isometric Adiabatic Isobaric Isothermal Isometric ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In the reaction, C + O₂ → CO₂ ; ΔH = - 94 kcal. What is the heat content (enthalpy)of O₂? -94 kcal Zero > -94 kcal < - 94 kcal -94 kcal Zero > -94 kcal < - 94 kcal ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Compressibility factor (i.e., the ratio of actual volume of gas to the volume predicted by ideal gas law) for all gases are Always greater than one Both B & C Same at the same reduced temperature Same at the same reduced pressure Always greater than one Both B & C Same at the same reduced temperature Same at the same reduced pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is an undesirable characteristics of a refrigerant ? Its vapor pressure at the condenser temperature should be very high It should have a sub-atmospheric vapor pressure at the temperature in refrigerator coils None of these It should be non-explosive Its vapor pressure at the condenser temperature should be very high It should have a sub-atmospheric vapor pressure at the temperature in refrigerator coils None of these It should be non-explosive ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Isobaric process means a constant process. Temperature Pressure Volume Entropy Temperature Pressure Volume Entropy ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The accentric factor of a materical, 'ω', is defined as ω = -log10(Prsat)Tr⁻¹ = 0.7, where, Prsat = reduced vapor pressure, Tr = reduced temperature. The value of accentric factor is always > 1 > 2 < 1 < 3 > 1 > 2 < 1 < 3 ANSWER DOWNLOAD EXAMIANS APP
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