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 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 Temperature must be kept above - 57°C Pressure must be kept below 5.2 atm 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 Temperature must be kept above - 57°C ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The change in Gibbs freee energy for vaporisation of a pure substance is Zero Positive Negative May be positive or negative Zero Positive Negative May be positive or negative ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A system is said to be isopiestic, if there is no __________ change. Pressure Temperature None of these Volume Pressure Temperature None of these Volume ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Fugacity and pressure are numerically not equal for the gases In ideal state Both A and B At low temperature and high pressure At standard state In ideal state Both A and B At low temperature and high pressure At standard state ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The equation Tds = dE - PdV applies to Open as well as closed systems Single phase fluid of varying composition Both B and C Single phase fluid of constant composition Open as well as closed systems Single phase fluid of varying composition Both B and C Single phase fluid of constant composition ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Entropy change for an irreversible isolated system is < 0 > 0 ∞ < 0 > 0 ∞ ANSWER DOWNLOAD EXAMIANS APP
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