When liquid and vapour phases of one component system are in equilibrium (at a given temperature and pressure), the molar free energy is________?

A bed of spherical particles (specific gravity 2.5) of uniform size 1500 μm is 0.5 m in diameter and 0.5 m high. In packed bed state, the porosity may be taken as 0.4. Ergun’s equation for the above fluid-particle system (in SI units) is given below : Δ P/L = 375 × 103 VOM + 10.94 × 106 V2 OM (SI units) If water is to be used as the fluidising medium, the minimum fluidisation velocity, VOM is________?

Fatty material used in soap making is ________?

Combination of metals and ceramics are called________?

Liquid gradient over a tray can be minimised by________?

Which of the following represents the plot of filtrate volume versus time for constant pressure filtration?