The ratio of the actual mesh dimension of Taylor series to that of the next smaller screen is
Air has 21 % oxygen and 79 % nitrogen by volume. What is the average molecular weight ? (Atomic weight of O = 16, N =14)
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
For an ideal gas mixture
Molality is defined as
Charles law for a given mass of an ideal gas is
10 Brix is equivalent to a sugar solution containing
Gibbs Free energy (G) is defined as
Isobaric process means a constant ............. process.
Work and heat are examples of
For gases, isothermal compressibility (k) is equal to
The change in entropy (∂S) for reversible process is
Efficiency of a Carnot engine working between hot reservoir at temperature T1 and sink reservoir at temperature T2 is
Thermochemistry is the study of the relationship between Chemical energy and
Specific heat at a constant pressure (Cp) is defined by
According of first law of thermodynamics the change in internal energy. (ΔE) accompanying a process, performing a work (W) and involving absorption of heat (Q) on the surroundings is given by the relation
The internal energy of a system depends upon
In a closed system, there is
Enthalpy H is defined as
..................is an prerequisite when the waste is subjected to secondary anaerobic treatment.