Chemical Engineering Thermodynamics The unity of Planck's constant 'h' in the equation, E = hv is J/kmol Kmol/J J/s J.S J/kmol Kmol/J J/s J.S ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The reaction A (l) R(g) is allowed to reach equilibrium conditions in an autoclave. At equilibrium, there are two phases, one a pure liquid phase of A and the other a vapor phase of A, R and S. Initially A alone is present. The number of degrees of freedom are 3 1 2 3 1 2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In the ammonia synthesis reaction, N₂ + 3H₂ ⇋ 2NH₃ + 22.4 kcal, the formation of NH₃ will be favoured by Low temperature only Both low temperature and high pressure High temperature Low pressure Low temperature only Both low temperature and high pressure High temperature Low pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Heat of reaction at constant volume is identified with __________ change. Either A or B Enthalpy Neither A nor B Internal energy Either A or B Enthalpy Neither A nor B Internal energy ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Gibbs-Duhem equation Finds no application in gas-liquid equilibria involved in distillation None of these Applies only to binary systems States that n₁dμ₁ + n₂dμ₂ + ....njdμj = 0, for a system of definite composition at constant temperature and pressure Finds no application in gas-liquid equilibria involved in distillation None of these Applies only to binary systems States that n₁dμ₁ + n₂dμ₂ + ....njdμj = 0, for a system of definite composition at constant temperature and pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A reasonably general expression for vapour-liquid phase equilibrium at low to moderate pressure is Φi yi P = Yi xi fi° where, Φ is a vapor fugacity component, Yi is the liquid activity co-efficient and fi° is the fugacity of the pure component i. the Ki value (Yi = Ki xi) is therefore, in general a function of Temperature, pressure and liquid composition xi only Temperature, pressure, liquid composition xi and vapour composition yi Temperature and pressure only Temperature only Temperature, pressure and liquid composition xi only Temperature, pressure, liquid composition xi and vapour composition yi Temperature and pressure only Temperature only ANSWER DOWNLOAD EXAMIANS APP
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