A chemical reaction will occur spontaneously at constant pressure and temperature, if the free energy is
An ideal solution obeys
The equivalent weight of an element or a compound is equal to
All oxidation reactions are
Equation Cp-Cv=R is true for
In a textile mill, a double effect evaporator system concentrates weak liquor containing 4% (by weight) caustic soda to produce a lye containing 25% solids (by weight). What is the evaporation of water per 100 kg of feed in the evaporator