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In CH2=C=CH2it is given that the length between H of first carbon at top and H of last carbon at top is L1 and length between H of first carbon at top and H of last carbon at bottom is L2.what is the relation between L1 and L2? Ans) L1=L2Due to steric hindrance....the hydrogens of carbon 1 and hydrogens of carbon 2 are not in same plane!! but the length will be same!
An element has electronic configuration 2, 8, 18, 1. If its atomic weight is 63, then how many neutrons will be present in its nucleus: (1) 30 (2) 32 (3) 34
Q. What do you understand by Canning? Canning involves the application of heat that is high enough to destroy all pathogenic microorganisms and their spores present along with
What is calgon n phosphate conditioning n which one is better?
Number of unpaired electrons in 1s 2 2s 2 2p 3 is: (1) 2 (2) 0 (3) 3 (4) 1 Ans: 3
For">http://imageshack.us/photo/my-images/213/chemistyr.png/ For these structures? I''m not sure how to answer it.
Chemical in cosmetics The phrase cosmetics are taken from the Greek word Kosmetikos. The meaning of this is decorating. Beautifying or enhancing complexion of skin. In middle a
Q. What is conclusion in the experiment? A conclusion is a judgment based on the data acquired in the experiment. If data support a hypothesis then the hypothesis is tentativ
Difference between Mesomerism and Resonance Even though both resonance and mesomerism denote similar phenomenon, they are different in the following respect: Resonance inclu
compound reacts with oxygen to form 2 oxide x and y. or analysis 1.535g of x yielded 1.365g of copper and 1.545g of y yielded 1.6 a.determine the chemical compound of x and y.b .
the most stable structure of chrysene
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