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Σk=0 to r rCk×(2n-r)C(n-k) = 2nCn ...
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Some earlier must see posts:(Interesting ones) If U were not a part of these discussions then u missed sumthing but should see it... (if u know such post helpful for others then can post here :) 1. A very nice discussion on m ...
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wich is d best method 2 prepare 2degree amine?? a)CH3Cl +NH3-----> b)CH3Cl--->(KCN) -------->(Sn/HCl) ----> c)CH3Cl--- ...
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PLot the graphs of these! 1) 1/2x, 1x, 2x, ex on the same plane (sheet) 2) 2x, 2-x, 22x, 2-x on the same sheet! 3) 2x and 1+x3 on the same sheet! 4) [y]=[x] 5) [y+1/2] = [x] 6) [x] = [2y] 7) [2x] = [3y] 8) [2x ...
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A thread is wrapped over a massless pulley. The pulley and rope have a coefficient of friction k between them. If the thread/rope is wrapped by an angle of "theta".. then what is the ratio of the tensions on both side ...
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FInd the moment of inertia of hollow cone of mass m,height h and apex angle 2@ about the central axis of symmetry. ...
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Two blocks mass m and 2m are kept on smooth horz surface and connected to each other using spring of "k".Initially spring is unstretched.A constant horz. force F applied to heavier block .Suppose at time t , displacem ...
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A spring mass system is held at rest with the spring relaxed at height H above the ground.Determine min. value of H so that given system has tendency to rebound after hitting the ground. Given coeff of restitutuion between m2 ...
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cyclo hexanol exists in equatorial and axial form in equilibrium with each other. when acetylation of cyclohexanol is carried out and k is overall observed rate constant of acetylation and ke and ka are rate constant of acety ...
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find product *Image* ...
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1[ TEST NO:18 QUESTION NO: 2 ANSWER IS 4 AND NOT 28 ...
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Master organic chemistry?. The following links I had compiled from various sources for my complete organic study material????hope it helps you all ?cheers Virtual Textbook http://www.cem.msu.edu/~reusch/VirtualText/intro1.htm ...
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guys i got these sites for chemistry .i think it would be useful for gr88 chemistry people in targetiit. General chemistry: www.rsc.org - Royal Society of Chemistry www.webelements.com - Periodic table, useful information on ...
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Shortcut methods [NOTE: Try the given problems with the conventional methods first and then look into the shortcut methods given.This makes it evident to you, the lesser labour involved, in comparison to the conventional meth ...
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Step by Step guide to charge your mobile battery using peepal leaf 1- Open your mobile cover 2- Take out your battery 3- Take two to three fresh leaves of peepal/pipal/ashwattha tree 4- Touch the stub of these leaves on your ...
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hi evrione in this forum i will try to put some imp chem Q on a regular basis most of the q will be thought provoking & conceptual but please do tell if they are too easy i will add the Qs in the second post and other things ...
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this thread is made to provide children with the best ebooks and their download links IF U NEED A BOOK JUST ASK!!!!!!!!![1] ...
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wat is d diff bw simple and alternating axis of symmetry.....????? ...
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Which is a better leaving group Cl- or OEt- ? ...
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if today is sunday?what day waz 21st decenber2001???what is the trick to do such ones? ...
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This is my humble request to all TargetIITians, especially those who have the habit of posting smileys in large numbers: WHEN SMILEYS ARE TOO MUCH, IT IS TAKING TOO MUCH TIME TO LOAD AND IN 99.99% OF THE CASES, THE BROWSER HA ...
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............................................................................................................. *Image* *Image* *Image* *Image* *Image* *Image* ...
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Move ur mouse around the character's face and also hear him say the words u type in the place below his/her face!!! http://www.oddcast.com/home/demos/tts/tts_example.php?sitepal ...
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In the figure shown surface of massless pulley is smooth. The string is massless. The two blocks are placed on a smooth horizontal surface . A time varying force F=20t is applied. Considering the two blocks and the pulley and ...
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*Image* ...
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Consider two solid spheres A and B made up of a linear and homogeneous dielectric, each having a radius a . Their centers are separated by a distance r\gg a . The sphere A carry a charge +q while B is neutral. Now if all the ...