Chemical bonding, ionic bond has low energy

ionic bond has low energy

The energy of the electron in the first orbit of hydrogen, The energy of th...

The energy of the electron in the first orbit of  He +   is  -871.6x 10 -20 J . The energy of the electron in the first orbit of hydrogen would be : (1) -871.6 x10 -20 J

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

The nucleus of the element 21e45 contains, The nucleus of the element 21 ...

The nucleus of the element 21 E 45  contains: (1) 45 protons and 21 neutrons   (2) 21 protons and 24 neutrons (3) 21 protons and 45 neutrons  (4) 24 protons and 21 n

Prove that process is irreversible, The second law states that
where dS ≥ ...

The second law states that
where dS ≥ dQ/T for a reversible process and dS = dQ/T for an irreversible process.   a.  Show that since dW 12 = -dW 21 (dW reverse = -dW forwar

Ionic bond,

Evaluate the entropy change, A house is air conditioned using solar energy....

A house is air conditioned using solar energy.  Solar radiation heats a pressurized tank such that the temperature is maintained at 175 o C.  1500 kJ must be extracted from the hou

Periodic table and periodicity of properties, alkali metals belong to s-blo...

alkali metals belong to s-block in the periodic table.why?

Starch - polysaccharide or starch and cellulose, Starch and its derivative...

Starch and its derivatives Starch is a white amorphous substance along with no taste or smell. While heated to a temperature among 200-250 o C it changes into dextrin. At large

Equilibria, Equilibria Equilibrium can also exist in between the same s...

Equilibria Equilibrium can also exist in between the same species in two different forms e.g. liquid and solid, liquid and gas. An equilibrium constant may also be produced for