The number of radial nodes 3s and 2p orbitals respectively, The number of r...

The number of radial nodes of 3s and 2p orbitals are respectively : (1) 2, 0   (2) 0, 2          (3) 1, 2             (4) 2, 1 Ans: 2, 0

Which the following sets of quantum numbers is not allowed, Which of the fo...

Which of the following sets of quantum numbers is not allowed : (1) n=1, l=0,m=0 s= +1/2                   (2) n=1, l=1,m=0 s= -1/2              (3) n=2, l=1,m=1 s= +1/2

What is the major diffrence btw cast cast iron and pig iron?, Pig iron is c...

Pig iron is cast iron with a very high carbon content: 4% by weight or more. Cast iron has at least 2% carbon by weight. Less than that, and it''s steel. Cast iron and pig iron are

Buffer.., Why is it important to know pka of a buffer

Why is it important to know pka of a buffer

Uses of acid amides, Uses of Acid Amides (a) Acid Amides used in organi...

Uses of Acid Amides (a) Acid Amides used in organic synthesis. The compounds like methyl cyanide, Methylamine and ethylamine can be prepared. (b)  Acid Amides used in leathe

Heat of reaction, what is heat of reaction

what is heat of reaction

Physical chemisty, Calculate the ratio of d number of molecules in two ener...

Calculate the ratio of d number of molecules in two energy levels at 27''c given E2=9.75x10"-13erg/mol E1=6.95X10"-13erg/mol g1=2 g2=3

Ionic bond,

Mole, how to teach mole to students

how to teach mole to students

Gibbs free energy and spontaneity, Q. Describe Gibbs Free Energy and Sponta...

Q. Describe Gibbs Free Energy and Spontaneity? Ans. This is the end of the quest to find spontaneity.  Free Energy, or Gibbs Free Energy is a quantity which balances the r