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which xylene proves the kekule structure of benzene and how?? ...

1)why the stability hydrides of the group 15 elements decreases on going down 2)The acidic character of oxides of gp 15 elements decreases when moving downwards 3)wat are the factors that affects the stability of oxides of p ...

A plane mirror is placed in yz plane facing towards the negative x axis.The mirror is moving parrallel to y axis with a speed of 5cm/s A point object P is moving in front of the mirror with a velocity 3cm/si+4cm/sj+5cm/sk fin ...

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the integer just grater than (√3+1)^6 ...

g(x) = x5 + x4 + x3 + x2 +x +1 wats the remainder wen the polynomial g(x12) is divided by the polynomial g(x) ? a) 6 b) 5 - x c) 4- x - x2 d) 3 - x + x2 - x3 ...

As for souls entering Hell, let's look at the different religions that exist in the world today. Some religions say that if you are not a member of their religion, you will go to Hell. Since there are more than one of the ...

Link sent to me by my friend Pratyush Tiwary. Credit: http://www.math.umn.edu/~vishal/funstuff/HowToBeMoreImpressive.jpg *Image* ...

Pls forgive me if this question is idiotic beyond compare. But that's what this series is all about - SILLINESS PERSONIFIED [4] Here goes: If you connect a motor and generator in such a way that one's output is the ot ...

A uniform rod of mass m and length l rests on a smooth horizontal surface.One of the ends of the rod is struck in horizontal direction at right angles to the rod.As a result the rod attains a velocity v.Find the force with wh ...

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LIMITS.....plz solve *Image* *Image* ...

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 ...

- Mechanical energy is the sum of potential & kinetic energy. - Potential energy can be due to gravitation or in other forms like an extended or compressed spring. - The formula, that the potential energy of a body at a heigh ...

COMBINED ORES OF VARIOUS METALS. IRON: IRON PYRITES (FeS2) SIDERITE (FeCO3) RED HAEMATITE (Fe2O3) MAGNETITE (Fe3O4) LIMONITE/BROWN HAEMATITE (2Fe2O3.3H2O) ...

Hey frnds, I have collected some important and not-so-known points of organic chemistry from my notes and assembled them here. GOC 1-Carbocation stability- Ring expansion should always be given higher priority than tertiary c ...

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Given that n4<10n for a fixed positive integer n≥2, then prove that (n+1)4<10n+1 ...

THESE ARE SOME OF THE RXn GIVEN BY ALDEHYDE AND KETO's... *Image* ...

Beauty of Mathematics Sequential Inputs of numbers with 8 1 x 8 + 1 = 9 12 x 8 + 2 = 98 123 x 8 + 3 = 987 1234 x 8 + 4 = 9876 12345 x 8 + 5 = 98765 123456 x 8 + 6 = 987654 1234567 x 8 + 7 = 9876543 12345678 x 8 + 8 = 98765432 ...

in an inverted cone (of height h) a particle is kept on its curved surface at height h/2 & given a velocity v tangentially .if the particle comes out in a parabolic path with max height attaned =h/2 then find v? ...

*Image* Q1 Calculate activation energy for formation of P ? Q2 Calculate activation energy for formation of A? Q3 What is arrhenius eqn for backward reaction? ...

If a1's are all +ve real numbers then prove that: (1+a1+a12)(1+a2+a22).........((1+an+an2)≥3na1a2..........an ...

*Image* I AM CONFUSED.PLEASE EXPLAIN WAT THE SITE TELLS.URGENT!!!!!!!!!!!!!!!!!!!!!!!!!!! ...

Find the term independent of x in the expansion of (x2/3+4x1/3+4)5 . [1/(x1/3-1) + 1/(x2/3+x1/3+1)]-9 ...

Q1)∫0pi/4 sin x+cos x/9+16sin 2x Q2)∫0 pi/2 sin2x tan-1(sinx)dx ...

y={√x} ...

If two carbons atoms are joined by sigma bonds then how the free rotation of the atoms or groups attached tetrahedally to the carbon atom is possible ...