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 Statement of Vant-Hoff equation Le-Chatelier's principle Lewis-Randall rule None of these Statement of Vant-Hoff equation Le-Chatelier's principle Lewis-Randall rule None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Melting of wax is accompanied with __________ in entropy. No change Decrease Increase None of these No change Decrease Increase None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The amount of heat required to decompose a compound into its elements is __________ the heat of formation of that compound from its elements. More than Less than Not related to Same as More than Less than Not related to Same as ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics At equilibrium condition, the chemical potential of a material in different phases in contact with each other is equal. The chemical potential for a real gas (μ) is given by(where, μ = standard chemical potential at unit fugacity (f° = 1 atm.) and the gas behaves ideally.) μ° + R/T lnf μ° + T lnf μ°+ R lnf μ° + RT ln f μ° + R/T lnf μ° + T lnf μ°+ R lnf μ° + RT ln f ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In the reaction, C + O₂ → CO₂ ; ΔH = - 94 kcal. What is the heat content (enthalpy)of O₂? Zero -94 kcal > -94 kcal < - 94 kcal Zero -94 kcal > -94 kcal < - 94 kcal ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The internal energy of an ideal gas is a function of its __________ only. Molecular size Temperature Pressure Volume Molecular size Temperature Pressure Volume ANSWER DOWNLOAD EXAMIANS APP
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