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Classification of polymers - Elastomers
The polymers which have elastic character such as rubber (a material that can return to its unique shape after stretching is said to be elastic) are termed as elastomers. In elastomers the polymers sequential chains are held together through weak intermolecular forces. Due to the presence of weak forces, the polymers may be simply extended by applying small stress and regains their unique shape when the stress is replaced. The very significant type of elastomers is natural rubber.
catalytic property of nickel
A mylar novelty balloon is filled with 4.5 L of He at1 atm pressure and 23 degree Celcius temperature. It is then dipped into liquid nitrogen (77K) until the gas and balloon are a
Why phenol does not react with sodium carbonate & sodium bicarbonate? Reason: This is because Phenol is less acidic than H 2 CO 3 and hence the reaction doesnt takes place.
Structure of DNA and RNA The sequence of bases along with the DNA and RNA chain makes its primary structure that controls the particular properties of the nucleic acid. An RNA
discuss the concentration of cations in the solution copper sulphate and zinc sulphate
Analytical tests of glycerol - Acrolein and Dunstan test (a) Acrolein test: while glycerol is heated with an extremely offensive smell is generated due to formation of acrolei
Non-benzenoid aromatics and Heterocyclic compounds There are aromatic compounds that have structural units which are not same from benzenoid type and are termed as Non-benzeno
Condensers are an integral part of a distillation process. As we have seen, the vapor feed from the distillation column can enter either a partial condenser or a complete condenser
procedure and curves for radiometric titration
A reaction has a rate constant of 1.22x10^-4 /s at 28 C and 0.230 /s at 75.0 C. 1. Determine the activation barrier for the reaction in kj/mol. 2. What is the value of the rate co
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