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Biodegradable polymers
These are the polymers that are degraded through micro-organisms in an appropriate period so that biodegradable polymers and their degraded products do not reason any serious influences on the environment.
In biological systems, biopolymers degrade majorly by enzymatic hydrolysis and to a few extent by oxidation. Hence, in show of the disposal causes of polymer waste and for developing polymers for another safe uses in human systems, tried have been build up to develop biodegradable synthetic polymers. These synthetic polymers generally have functional groups that are generally available in biopolymers and lipids.
In lab, you're having fun along with buffers based onto a 0.1 M solution of sodium phosphate at pH7.0. Into this system, there are three of pK A s as: 12.7, 7.21 and 2.12.
Decomposition Metal Hydrogen Carbonate Cu(HCO 3 ) 2 . Decomposition Metal Hydrogen Carbonate
A first order reaction takes 69.3 minutes for 50% completion. Set up an equation for determining the time needed for 80% completion of this reaction.
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a hittorf cell fitted with Ag-AgClis filled with HCl solution that contains 0.0003856g HCl/g water. A current of 2 mA is passed for exactly 3 hours. the solutions are withdrawn, we
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