Chemical Engineering Thermodynamics Dry ice is Solid carbon dioxide Solid helium None of these Moisture free ice Solid carbon dioxide Solid helium None of these Moisture free ice ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The change in Gibbs freee energy for vaporisation of a pure substance is Negative Positive May be positive or negative Zero Negative Positive May be positive or negative Zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics An isolated system can exchange __________ with its surroundings. Both matter and energy Energy Neither matter nor energy Matter Both matter and energy Energy Neither matter nor energy Matter 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). 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 Pressure must be kept below 5.2 atm ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The first law of thermodynamics is a restatement of the law of conservation of Mass Energy Momentum None of these Mass Energy Momentum None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics At absolute zero temperature, all substances have the same Crystalline structure Entropy None of these Heat capacity Crystalline structure Entropy None of these Heat capacity ANSWER DOWNLOAD EXAMIANS APP