The degree of polymerization at t = 10h of a polymer formed by a stepwise process with polymerization rate constant of and an initial monomer concentration of 50 mM is
The degree of polymerization, or DP, is the number of monomeric units in a macromolecule or polymer or oligomer molecule. The degree of polymerization is given as:
is the degree of polymerization
[Mo] is the initial monomer concentration
t is the time required for the polymerization
k is the polymerization rate constant
The system with the largest internal pressure is
A compound consists of atoms A and B. Atoms of B form cubic close packing lattice and atoms of A occupy half of octahedral voids and half of tetrahedral voids. What is the molecular formula of the compound?
Entropy associated with a die with all its six faces having equal probability of being on top is (kB : Boltzmann constant):
The equivalent symmetry operations for and are, respectively,
P and Q are isomers of cyclopentadiene dimer. A representative energy profile diagram of the dimerization is given below. The correct statement about the reaction under ambient conditions is
The major product formed in the following reaction is
The major product formed in the following reaction sequence is
The correct order of reactivity of the following olefins towards ozone is
For the given reaction, isotopic substitution (H to D) at the indicated position of A will lead to the observation of
