Chemical Engineering Thermodynamics Helmholtz free energy (A) is defined as None of these A = H - TS A = E - TS A = H + TS None of these A = H - TS A = E - TS A = H + TS ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which is not a refrigerant? C₂H₄Cl₂ CCl₂F₂ NH₃ SO₂ C₂H₄Cl₂ CCl₂F₂ NH₃ SO₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The intensive properties are Refractive index and surface tension Molar volume, density, viscosity and boiling point Both A and B None of these Refractive index and surface tension Molar volume, density, viscosity and boiling point Both A and B None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Choose the condition that must be specified in order to liquify CO₂ (triple point for CO₂ is - 57°C and 5.2 atm). Pressure must be kept below 5.2 atm Temperature must be kept above - 57°C Pressure must be kept below 5.2 atm. and temperature must be kept above 57°C Pressure and temperature must be kept below 5.2 atm. and - 57°C respectively Pressure must be kept below 5.2 atm Temperature must be kept above - 57°C Pressure must be kept below 5.2 atm. and temperature must be kept above 57°C Pressure and temperature must be kept below 5.2 atm. and - 57°C respectively ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics When pressure is applied on the system, ice ⟷ water, then More ice will be formed Evaporation of water will take place More water will be formed Equilibrium can not be established More ice will be formed Evaporation of water will take place More water will be formed Equilibrium can not be established ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In the reaction, C + O₂ → CO₂ ; ΔH = - 94 kcal. What is the heat content (enthalpy)of O₂? > -94 kcal < - 94 kcal Zero -94 kcal > -94 kcal < - 94 kcal Zero -94 kcal ANSWER DOWNLOAD EXAMIANS APP