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what are moles?
(a) Given the values below, Determine the concentration of benzoyl peroxide needed to prepare polystyrene with a number average molar mass of 400,000 by bulk free radical polymeris
In a potassium atom, electronic energy levels are in the following order: (1) 4s>3d (2) 4s>4p (3) 4s (4) 4s Ans: 4s
why didnt all the noble metals get rust even they have high electrode potentials? Ans) for e.g if you look at gold it is highly reactive with greater negativity of gibbs free ener
how to find atomicity of an element?
The state of a galvanic cell without liquid junction, when its temperature and pressure are uniform, can be fully described by values of the variables T, p, and ξ. Find an expressi
Why is geometrical isomers not possible in tetrahedral complexes having two different types of unidentate ligands? Solution) Tetrahedral complexes do not show geometrical isomeri
Effects of substituents on the acidity of phenols: Existence of electron attracting group, (for example -NO 2 , -X, - NR + 3 , -CN, -CHO, -COOH) on the benzene ring increases
Explain about the Intrinsic breakdown: It's because of the excitation of electrons into the conduction band across the energy gap under the condition of excessive volt
What are laws of crystallography? How does it help in study of crystal structure
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