Chemical Engineering Thermodynamics If heat contents of CH₄, C₂H₄ and C₃H₈ are -17.9, 12.5 and -24.8 kcal/mole respectively, than ΔH for the reaction CH₄(g) + C₂H₄(g) ⇋ C₃H₈(g) will be __________ Kcal. 55.2 -30.2 -19.4 -55.2 55.2 -30.2 -19.4 -55.2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For an irreversible process involving only pressure-volume work (dF)T, p > 0 (dF)T, p (dF)T, p = 0 (dA)T, v >0 (dF)T, p > 0 (dF)T, p (dF)T, p = 0 (dA)T, v >0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Fugacity of a component in an ideal gas mixture is euqal to the partial pressure of that component in the mixture. The fugacity of each component in a stable homogeneous solution at contant pressure and temperature __________ as its mole fraction increases. Decreases Increases Remains constant Decreases exponentially Decreases Increases Remains constant Decreases exponentially ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is a widely used refrigerant in vapour compression refrigeration system (using large centrifugal compressor)? Freon Methyl chloride Liquid sulphur dioxide Ammonia Freon Methyl chloride Liquid sulphur dioxide Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For water at 300°C, it has a vapour pressure 8592.7 kPa and fugacity 6738.9 kPa Under these conditions, one mole of water in liquid phase has a volume of 25.28 cm³ and that in vapour phase in 391.1 cm³.Fugacity of water (in kPa) at 9000 kPa will be 6753.5 9000 6738.9 7058.3 6753.5 9000 6738.9 7058.3 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A two stage compressor is used to compress an ideal gas. The gas is cooled to the initial temperature after each stage. The intermediate pressure for the minimum total work requirement should be equal to the __________ mean of P₁ and P₂.(where, P₁ and P₂ are initial and final pressures respectively) Logarithmic Geometric Harmonic Arithmetic Logarithmic Geometric Harmonic Arithmetic ANSWER DOWNLOAD EXAMIANS APP