Calculate the initial rate of polymerisation, (a) Given the values below, c...

(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 polymer

Boranes, styx code of B4H10

styx code of B4H10

What is basic need of si units, Q. What is basic need of SI Units? Ans:...

Q. What is basic need of SI Units? Ans: The Importance of Units Units give numbers a particular meaning. Example: I am 5 feet 10 inches tall. Feet and inches are units. I co

Atom, two reasons why is it necessary to ionise chromium atomsin a sample

two reasons why is it necessary to ionise chromium atomsin a sample

Crystal system, how many forms are there in crystal system

how many forms are there in crystal system

Matter, why the water is compound

why the water is compound

Show equilibrium expression for water, Q. Show Equilibrium expression for w...

Q. Show Equilibrium expression for water? Ans. The equilibrium expression for water is equal to a constant, Kw. This constant is called the ion product of water and is equ

Ionic bond,

Which of the following ions is not having the configuration, Which of the f...

Which of the following ions is not having the configuration of neon: (1) F -                      (2) Mg +2                         (3) Na +                       (4

Number of protons, Number of protons, neutrons and electrons in the element...

Number of protons, neutrons and electrons in the element  231/89 y is: (1) 89, 231, 89   (2) 89, 89, 242    (3) 89, 142, 89       (4) 89, 71, 89 Ans:  89, 142, 89