Free radical polymerisation, #ques(a) Given the values below, calculate the...

#ques(a) Given the values below, calculate the concentration of benzoyl peroxide required to prepare polystyrene with a number average molar mass of 400,000 by bulk free radical po

Synthetic rubber, all explanation

all explanation

Edta method of determining hardness of water, Q.   Discuss the EDTA method ...

Q.   Discuss the EDTA method of determining hardness of water.                                                 OR What is hardness of Water? How it is determined by EDTA

Number of electrons and neutrons of an element & mass no, The number of ele...

The number of electrons and neutrons of an element is 18 and 20 respectively. Its mass number is: (1) 17              (2) 37        (3)2              (4)38 Ans: 17

The equivalent masss of the metal is?, 1 gm of a metallic oxide on reductio...

1 gm of a metallic oxide on reduction gives 0.68 gm of the metal. ans) Mass of metal/mass of oxygen=eq. mass of metal/eq. mass of oxygen. applying this we get .68/.32=x/8 x=1

Ionization energy, ionization energy

ionization energy

By which cycle form a helium nucleus?, Q) Inside the sun four hydrogen nucl...

Q) Inside the sun four hydrogen nuclei combine to form a helium nucleus by which cycle? Ans) Proton-proton cycle.

Bondletgth of nitroalkanes, In nitromethane N-O bondlength is 1.21A° while...

In nitromethane N-O bondlength is 1.21A° while normal N-O bondlength is 1.36 A° and for N=O it is 1.18A°..Explain why

Ionic bond,

Reaction, mechanism for the enzyme-catalyzed

mechanism for the enzyme-catalyzed