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A polymer instance has chain of different type of lengths and hence its molecular mass is all the time expressed as an average on the other hand natural polymer like proteins consist of chain of similar length and therefore they have specific molecular mass.
The atomic volume of a polymer can be illustrated in two ways.
(a) Number average molecular mass (M¯N)
(b) Weight average molecular mass (M¯W)
o-isomer is more volatile and how separated by steam distillation?
HOW TOLUENE CAN BE PREPARED
A reaction among sodium hydroxide and hydrogen chloride gas produces sodium chloride and water and a reaction of 22.85g of sodium hydroxide with 20.82g of hydrogen chloride gives o
One mole of gas A decomposed exothermically into one mole of gas B and one mole of gas C with Kp = 1.8 x 10-5 at 300 K. If the initial pressure of each gas was 0.150 atm, what were
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
Q. What is Oxidation Numbers? Ans. Chemists find it useful to describe the oxidation states of an element by means of oxidation numbers. The oxidation number of an element
Applications of photochemistry in day today life
what are antifertility drugs?
Oat products Oats fulfill admirably the description of a functional food, as one that, in addition to providing all normal attributes of a food - basic sustenance, pleasing t
Reactions of Alkaline earth metals with oxygen: Write the reactions of any two elements of group II A with oxygen. Ans. Alkaline earth metals react with oxygen to form corr
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