Chemical Engineering Thermodynamics Refrigerants commonly used for domestic refrigerators are Freon-12 NH₃ or CO₂ Ethyl chloride or methyle chloride Propane Freon-12 NH₃ or CO₂ Ethyl chloride or methyle chloride Propane ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Law of corresponding states says that No gas can be liquified above the critical temperature, howsoever high the pressure may be The surface of separation (i. e. the meniscus) between liquid and vapour phase disappears at the critical temperature The molar heat of energy of gas at constant volume should be nearly constant (about 3 calories) , two different gases behave similarly, if their reduced properties (i.e. P, V and T) are same No gas can be liquified above the critical temperature, howsoever high the pressure may be The surface of separation (i. e. the meniscus) between liquid and vapour phase disappears at the critical temperature The molar heat of energy of gas at constant volume should be nearly constant (about 3 calories) , two different gases behave similarly, if their reduced properties (i.e. P, V and T) are same ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Internal energy of an element at 1 atm and 25° C is __________ kcal/kg.mole. None of these 25 273 0 None of these 25 273 0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Joule-Thomson Co-efficient at any point on the inversion curve is -ve ∞ + ve -ve ∞ + ve ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Number of components (C), phase (P) and degrees of freedom (F) are related by Gibbs phase rule as C = P - F + 2 P = F - C - 2 P + F - C = 2 F = C - P - 2 C = P - F + 2 P = F - C - 2 P + F - C = 2 F = C - P - 2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The molar excess Gibbs free energy, gE, for a binary liquid mixture at T and P is given by, (gE/RT) = A . x₁. x₂, where A is a constant. The corresponding equation for ln y₁, where y₁ is the activity co-efficient of component 1, is Ax₁² A . x₂² Ax₂ Ax₁ Ax₁² A . x₂² Ax₂ Ax₁ ANSWER DOWNLOAD EXAMIANS APP
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