Calculate the enthalpy of a system, Q. Define Enthalpy and Calculate the En...

Q. Define Enthalpy and Calculate the Enthalpy of a system? Ans. Enthalpy is a measure of the total energy content of a system.  It is represented by a big H. Change in ent

Uses of BHC,

the rate of entropy change within the turbine , An adiabatic air compresso...

An adiabatic air compressor is to be powered by a direct-coupled adiabatic steam turbine that is also driving a generator. Steam enters the turbine at 12.5 MPa and 500oC at a rate

F block element, f block elementstypes

f block elementstypes

Find the degree of dissociation and hydrogen ion molality, For the dissocia...

For the dissociation equilibrium of formic acid, HCO 2 H(aq) ↔ H + (aq) + HCO 2 - (aq), the acid dissociation constant at 298.15K has the value K a = 1.77 *10 -4 . (a) Find t

The bond is formed between similar atoms, Which type of bond is formed betw...

Which type of bond is formed between similar atoms: (1) Ionic    (2) Covalent      (3) Coordinate               (4) Metallic Ans:  Covalent

Describe the charles law, Q. Describe the Charles Law and show graph betwee...

Q. Describe the Charles Law and show graph between temperature and volume? Ans. Charles' law describes the relationship between the temperature and the volume of a gas

The metal ion will have highest number of unpaired electron, Which of the m...

Which of the metal ion will have highest number of unpaired electrons: (1) Cu +                  (2)  Fe +       (3) Fe 3+                             (4) Co 2+ A

Extraction of aluminium, Q. Extraction of Aluminium? Aluminium cannot b...

Q. Extraction of Aluminium? Aluminium cannot be extirpated economically from the silicate minerals. Therefore bauxite is the most important ore for the extraction of alumimum,

Write the structure of teflon, Write the structures of monomers used in the...

Write the structures of monomers used in the preparation of: a. Teflon b. PMMA