Chemical Engineering Thermodynamics The rate at which a substance reacts is proportional to its active mass and the rate of a chemical reaction is proportional to the product of active masses of the reacting substances. This is the Lewis-Randall rule Le-Chatelier's principle None of these Statement of Vant-Hoff equation Lewis-Randall rule Le-Chatelier's principle None of these Statement of Vant-Hoff equation ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics High __________ is an undesirable property for a good refrigerant. Viscosity Latent heat of vaporisation Specific heat Specific vapor volume Viscosity Latent heat of vaporisation Specific heat Specific vapor volume ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The accentric factor of a materical, 'ω', is defined as ω = -log10(Prsat)Tr⁻¹ = 0.7, where, Prsat = reduced vapor pressure, Tr = reduced temperature. The value of accentric factor is always < 3 > 1 > 2 < 1 < 3 > 1 > 2 < 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following behaves most closely like an ideal gas? N₂ O₂ H₂ He N₂ O₂ H₂ He ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Entropy of the system decreases, when Snow melts into water A gas expands spontaneously from high pressure to low pressure Both B & C Water is converted into ice Snow melts into water A gas expands spontaneously from high pressure to low pressure Both B & C Water is converted into ice 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 Ax₁ Ax₂ A . x₂² Ax₁² Ax₁ Ax₂ A . x₂² ANSWER DOWNLOAD EXAMIANS APP