Chemical Engineering Thermodynamics The fusion of a crystalline solid at its melting point to form a liquid at the same temperature is accompanied by No change in enthalpy Decrease of entropy Decrease in enthalpy corresponding to evolution of heat Increase in enthalpy corresponding to absorption of heat No change in enthalpy Decrease of entropy Decrease in enthalpy corresponding to evolution of heat Increase in enthalpy corresponding to absorption of heat 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 Ax₂ Ax₁² A . x₂² Ax₁ Ax₂ Ax₁² A . x₂² Ax₁ 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) Arithmetic Geometric Harmonic Logarithmic Arithmetic Geometric Harmonic Logarithmic ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Free energy change at equilibrium is Negative Positive Zero Indeterminate Negative Positive Zero Indeterminate ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics One mole of nitrogen at 8 bar and 600 K is contained in a piston-cylinder arrangement. It is brought to 1 bar isothermally against a resisting pressure of 1 bar. The work done (in Joules) by the gas is 30554 4364.9 4988.4 10373 30554 4364.9 4988.4 10373 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Claude's liquefaction process employs the cooling of gases by Throttling Expansion in an engine Following a constant pressure cycle None of these Throttling Expansion in an engine Following a constant pressure cycle None of these ANSWER DOWNLOAD EXAMIANS APP
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