Chemical Engineering Thermodynamics Critical compressibility factor for all substances Are more or less constant (vary from 0.2 to 0.3) None of these Vary as square of the absolute temperature Vary as square of the absolute pressure Are more or less constant (vary from 0.2 to 0.3) None of these Vary as square of the absolute temperature Vary as square of the absolute pressure 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 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 Pressure must be kept below 5.2 atm ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics If the vapour pressure at two temperatures of a solid phase in equilibrium with its liquid phase are known, then the latent heat of fusion can be calculated by the Clayperon-Claussius equation Nernst Heat Theorem Van Laar equation Maxwell's equation Clayperon-Claussius equation Nernst Heat Theorem Van Laar equation Maxwell's equation ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Boyle's law for gases states that P ∝ 1/V, when temperature is constant P ∝ 1/V, when temperature & mass of the gas remain constant P/V = constant, for any gas P ∝ V, at constant temperature & mass of the gas P ∝ 1/V, when temperature is constant P ∝ 1/V, when temperature & mass of the gas remain constant P/V = constant, for any gas P ∝ V, at constant temperature & mass of the gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics dW and dq are not the exact differential, because q and W are State functions Intensive properties Path functions Extensive properties State functions Intensive properties Path functions Extensive properties ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Sublimation temperature of dry ice (solid CO₂) is __________ °C. 5 -78 0 -273 5 -78 0 -273 ANSWER DOWNLOAD EXAMIANS APP