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What are three modifications to a polymer that can make it transparent? How will these modifications affect the mechanical properties of the polymer?
when H+ is removed from any compound it forms conjugate acid. the addition of H+ ion gives conjugate base.
50ml of 0.1M NH 4 OH ,25ml NH 4 Cl weere used to make a buffer . what is the PH is if Pk b is 4.8? Solution) The given buffer is a base buffer [NH4OH] =[(50*0.1)/75] [NH4Cl] =[(
factors affecting the acidity of the aromatic carboxilic acids
What are ferrites? Ferrites are ceramic compounds having trivalent metal having three valence electrons iron and oxide of divalent element i.e. metals having two free electrons
Which monomers can undergo free radical, cationic as well as anionic polymerisation with equal ease? CH2=CH2
difference between atom,element,compound,molecule,ion,charge
Number of nodal centres for 2s orbital: (1) 1 (2) 0 (3) 4 (4) 3 Ans: 1
An electron has kinetic energy 2.8 x 10 -23 J . de-Broglie wavelength will be nearly: (me: 9.1 x 10 -31 kg) (1) 9.28x 10 -4 m (2) 9.28 x10 -7 m
Since flourine is very electronegative as a result hydrogen makes a very positive character.as a result the H-bonding is very strong because of large difference in electronegativit
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