Chemical Engineering Thermodynamics Entropy of a substance remains constant during a/an __________ change. Irreversible isothermal Reversible isothermal None of these Reversible adiabatic Irreversible isothermal Reversible isothermal None of these Reversible adiabatic 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 1 2 3 1 2 3 ANSWER DOWNLOAD EXAMIANS APP
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 -55.2 -30.2 -19.4 55.2 -55.2 -30.2 -19.4 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Minimum number of phases that exists in a system is 1. Number of chemical species in a colloidal system is 1 3 2 4 1 3 2 4 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics As the temperature is lowered towards the absolute zero, the value of ∂(ΔF)/∂T, then approaches Infinity Zero That of the heat of reaction Unity Infinity Zero That of the heat of reaction Unity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Claude's liquefaction process employs the cooling of gases by Following a constant pressure cycle Expansion in an engine None of these Throttling Following a constant pressure cycle Expansion in an engine None of these Throttling ANSWER DOWNLOAD EXAMIANS APP
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