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iTeachChem

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charges

two small charges each of mass m kg and charge Q C are suspended from a position by a sphere of L meter of negligible mass. if theta is the angle between vertical postiton to the equilibrium has been reached prove: q2 = 4mgL2sin2(theata)tan(theata)k the 2's are square...

rxn mechanism

R-OH + PX₃ → R-X + H₃PO₃ can someone give the reaction mechanism for this...

CIRCLES

could someone please explain how the x coordinate of point A is -6 shouldnt it be 3...
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chem eqbm

24s1 peeps did u really solve that? anyway to approximate that abomination
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thermal conduction

how to solve this . i designed the question on my own inspired from infinite resistors ladder problems. consider lower rods to be highly conductive . i.e zero thermal resistance (like a wire in circuit)...
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Rotational Motion

Shouldn't the acceleration of the bead on release be g as there is no other force acting on it?
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diff btw vinylic and aryl

what is differnece between vinylic halide and aryl halide cuz we are saying we usesp2 of c=c in vinylic and sp2 in aromatic in aryl but cant the aromatic one come in vinylic also cuz i saw this
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Increasing order of reactivity towards SN2 reaction

What is the answer? It should be 4 > 3 > 2 > 1 according to me as I is the strongest nucleophile, followed by Br, Cl and F
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Degree of dissociation and association

we have been given a formula by our teacher about degree of association [ alpha=( i - 1)/(1/n-1) ] and dissociation [ alpha = (i - 1)/(n-1) ] but i dont understand where it comes from, its derivation im getting confused

Archimedes

archimedes principle qn
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Organic chem doubt from hydrocarbon/ alkyl halide

Shouldnt there be a 3rd case as well in which H radical is removed from the left most carbon (1st carbon acc. to IUPAC naming)
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Waves basic doubt

I don't really understand how to distinguish between wt-kx and kx-wt. can we write (kx-wt+pi) as (wt-kx)? can someone pls help with this question. not very familiar with the conventions.
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Organic Chem: Use of CsCO3

What is the use of CsCO3/MeI in this question? Also, can someone explain briefly where B and D go wrong?
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Raoult's law

whts the differnce between the equations p2 = p*2 x2 and p1 = y1 ptotal

Ray Optics, lateral shift through slab

I got as far as shift = h sinr/cosr, i.e. the first step in the second pic. But what is going on with i-r lol how did the last step happen
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Number of functions question

I did the question by making cases where f(x)=x or {f(x)=y,f(y)=x} or where connecting x to f(x) forms a closed cycle of 4. Does the given solution consider this? Or am I committing a flaw here?
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