Chemical Engineering Thermodynamics The melting point of paraffin wax (which contracts on solidification) __________ with pressure rise. Decreases linearly Decreases Increases Remains unchanged Decreases linearly Decreases Increases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The theoretical minimum work required to separate one mole of a liquid mixture at 1 atm, containing 50 mole % each of n- heptane and n- octane into pure compounds each at 1 atm is 2 RT -RT ln 0.5 -2 RT ln 0.5 0.5 RT 2 RT -RT ln 0.5 -2 RT ln 0.5 0.5 RT ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Refrigerants commonly used for domestic refrigerators are Freon-12 Ethyl chloride or methyle chloride NH₃ or CO₂ Propane Freon-12 Ethyl chloride or methyle chloride NH₃ or CO₂ Propane ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics 4 kg moles of an ideal gas expands in vacuum spontaneously. The work done is 4 J ∞ 8 J Zero 4 J ∞ 8 J Zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics If different processes are used to bring about the same chemical reaction, the enthalpy change is same for all of them. This is __________ law. Kirchoff's Hess's Lavoisier and Laplace None of these Kirchoff's Hess's Lavoisier and Laplace None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For a thermodynamic system containing 'x' chemical species, the maximum number of phases that can co-exist at equilibrium is X + 3 X + 2 X X + 1 X + 3 X + 2 X X + 1 ANSWER DOWNLOAD EXAMIANS APP