Chemical Engineering Thermodynamics Which is not a refrigerant? C₂H₄Cl₂ NH₃ SO₂ CCl₂F₂ C₂H₄Cl₂ NH₃ SO₂ CCl₂F₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Gibbs free energy of mixing at constant pressure and temperature is always ∞ + ve - ve ∞ + ve - ve ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A refrigeration cycle is a reversed heat engine. Which of the following has the maximum value of the co-efficient of performance (COP) for a given refrigeration effect? Vapor compression cycle using expansion engine Vapor compression cycle using expansion valve Carnot refrigeration cycle Air refrigeration cycle Vapor compression cycle using expansion engine Vapor compression cycle using expansion valve Carnot refrigeration cycle Air refrigeration cycle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Gibbs-Duhem equation States that n₁dμ₁ + n₂dμ₂ + ....njdμj = 0, for a system of definite composition at constant temperature and pressure Applies only to binary systems None of these Finds no application in gas-liquid equilibria involved in distillation States that n₁dμ₁ + n₂dμ₂ + ....njdμj = 0, for a system of definite composition at constant temperature and pressure Applies only to binary systems None of these Finds no application in gas-liquid equilibria involved in distillation ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics What is the value of ln y (where y = activity co-efficient) for ideal gases? Unity Negative Zero Infinity Unity Negative Zero Infinity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Chemical potential (an intensive property) of a substance is a force that drives the chemical system to equilibrium and is equal to its partial molar properties. The reatio of chemical potential to free energy of a pure substance at oconstant temperature and pressure is None of these 1 ∞ None of these 1 ∞ ANSWER DOWNLOAD EXAMIANS APP
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