Chemical Engineering Thermodynamics The freezing point of a liquid decreases when the pressure is increased, if the liquid __________ while freezing. Contracts Expands Does not change in volume Either A, B or C Contracts Expands Does not change in volume Either A, B or C ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The kinetic energy of gas molecule is zero at -273°C 273°C 0°C 100°C -273°C 273°C 0°C 100°C ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics First law of thermodynamics is mathematically stated as dW = dQ + dE dQ = dE + dW dQ = dE - dW dE = dQ + dW dW = dQ + dE dQ = dE + dW dQ = dE - dW dE = dQ + dW ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In the reaction, H₂ +I₂ ⇋ 2HI, addition of an inert gas will Increase the total pressure and hence shift the equilibrium towards the right Not effect the equilibrium conditions Increase the partial pressure of H₂ Increase the partial pressure of I₂ Increase the total pressure and hence shift the equilibrium towards the right Not effect the equilibrium conditions Increase the partial pressure of H₂ Increase the partial pressure of I₂ 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. and temperature must be kept above 57°C Pressure and temperature must be kept below 5.2 atm. and - 57°C respectively Temperature must be kept above - 57°C Pressure must be kept below 5.2 atm 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 Temperature must be kept above - 57°C Pressure must be kept below 5.2 atm ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics What is the number of degrees of freedom for liquid water in equilibrium with a mixture of nitrogen and water vapor? 3 1 0 2 3 1 0 2 ANSWER DOWNLOAD EXAMIANS APP