Chemical Engineering Thermodynamics Consider the reaction, C + O₂ ⇋ CO₂ ;ΔH = - 94 kcal. What will be the value of ΔH for the reaction CO₂ → C + O₂? > 94 kcal + 94 kcal -94 kcal < -94 kcal > 94 kcal + 94 kcal -94 kcal < -94 kcal 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 and temperature must be kept below 5.2 atm. and - 57°C respectively Pressure must be kept below 5.2 atm. and temperature must be kept above 57°C Pressure must be kept below 5.2 atm 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. and temperature must be kept above 57°C ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following processes can not be made reversible even under ideal condition of operation? Free expansion of a gas Expansion of steam in a turbine All of these Compression of air in a compressor Free expansion of a gas Expansion of steam in a turbine All of these Compression of air in a compressor ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics With increase in compression ratio, the efficiency of the otto engine Increases linearly Remains constant Decreases Increases Increases linearly Remains constant Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following exemplifies an adiabatic process? Evaporation of water Condensation of alcohol vapor Sudden bursting of a cycle tube Melting of ice Evaporation of water Condensation of alcohol vapor Sudden bursting of a cycle tube Melting of ice ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following behaves most closely like an ideal gas? N₂ H₂ O₂ He N₂ H₂ O₂ He ANSWER DOWNLOAD EXAMIANS APP
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