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Physical Chemistry
The net energy of a system of two atoms is given by
E(r)=-A/r^2 + B/r^8
where r is
the inter-atomic separation. If in a stable molecule the interatomic separation is 0.5
nm and the dissociation energy is 4.0eV, calculate the constants A and B.
E(r)=-A/r^2 + B/r^8
where r is
the inter-atomic separation. If in a stable molecule the interatomic separation is 0.5
nm and the dissociation energy is 4.0eV, calculate the constants A and B.
Physical Chemistry
In an orthorhombic crystal a lattice plane makes intercepts of 2a, 3b and 4c on the
three axes. Write down the Miller indices for this plane.
three axes. Write down the Miller indices for this plane.
Physical Chemistry
Explain the principles of radioactive dating?
Physical Chemistry
Differentiate between chemical cells and concentration cells giving suitable
examples.
examples.
Physical Chemistry
Describe Rast method of determination of relative molecular mass. Also write the
equation used giving significance of the terms involved.
equation used giving significance of the terms involved.
Physical Chemistry
What is the expected major product arising from the reaction 4,4- dimethylcyclohexene with bromine ?
Physical Chemistry
Derive the relation between ∆rU and ∆rH for a chemical reaction. How is this
relation given for the condensed phases and ideal gases?
relation given for the condensed phases and ideal gases?
Physical Chemistry
Different following terms
(I) molar magnetic susceptibility
(ii)choral carbon
(I) molar magnetic susceptibility
(ii)choral carbon
Physical Chemistry
The total number of subshells in fourth energy level of an atom is
Physical Chemistry
Give an example each for nuclear transmutation reactions of the type
(, ), (, p), (p – ), (p, ), (p, ).
(, ), (, p), (p – ), (p, ), (p, ).
