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If change in energy (ΔE) = 3x 10 -8 j, h= 6.64x 10 -34 j-s and c= 3x 10 8 m/s then wavelength of the light is: (1) 6.36x 10 3 Å (2) 6.36x 10 5 Å
Which of the following has the least energy: (1) 2p (2) 3p (3) 2s (4) 4d Ans: 2s
I don''t understand the concept of normality and gram equivalent
what is trasitions elements
what is the precaution
Properties of Detergents - Oils and Fats Detergents are superior cleansing agents due to following properties. (i) These can be employed both in soft and hard waters as the
The difference among Threshold energy and average energy of the molecules is known as activation energy.
A substance that has a molecular structure built up chiefly or completely from a large number of similar units bonded together.
describe exothermic and endothermic reactions with examples.
Suppose you are required to make an analysis of 317 lb of combustion gas and find it has the following composition: CO 2 60% CO 10% N 2 30% a) What it the av
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