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*Image* A particle B of mass 0.6 kgslides down the smooth face of a wedge A of mass 1.7 kg, which can move freely on a smooth horizontal surface. Inclination of the face to the horizontal is 45° . Then : a) acceleration of A ...

1)Give the diel's alder adduct b/w phenanthrene and anthracene . 2) give the structure of the prodcut . here's the Q. *Image* ...

where is the flaw......... *Image* ...

Do CO & N2 each have 6.023 x 1023 x 14 e-s ????????/ ...

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What is the potential of the cell having two electrodes, the negative one is in contact with 10 -8 M H+ and positive one is in contact with in 0.25 M H+ ???? ...

Electrons in various degenarate orbitals of a subshell can be filled by followin arrangements: x!/(x-y)!y! . where x = 2 * no. of orbitals y = no. of electrons Then a p^2 configuration can be written in how many ways? ...

When heated, NH4COONH2 decomposes as below: NH4COONH2(g)→2NH3 + CO2 At a certain temperature the equilibrium pressure of the system is 0.318 atm.Find the Kp for the reaction.. ...

N2(g)+3H2(g)→2NH3 For the reaction initially the mole ratio was 1:3 of N2 and H2.At equilibrium 50% of each has reached.Find the partial pressure of NH3 at equilibrium if the equilibrium pressure is P. I am getting P/3 as a ...

1.CAN A SPHERICAL BODY ROLL ON ANOTHER SPHRICAL BODY...EXPLAIN WITH EXAMPLE 2.WHY IS IT THAT A FREEWHEEL IN A CYCLE HAS LARGER DIAMETER THAT A GEAR WHEEL 3ASSUME A BIG SPHERE WHICH ENCOMPASSES THE MOON AROUND THE EARTH AND TH ...

How can u prepare benzene from lime ?? ...

BiCl5 does not exist..why ?? ...

find the total no.of isomers of [M(AB)3] , [M(AA)a2b2] , [Ma2b2cd] , [Ma3bcd] sorry for giving so many at a time..........but i am super confused in it ...

THE IONISATION ENERGIES OF GROUP 1 METALS SUGGEST THAT Cs(CESIUM) SHOULD BE MOST REACTIVE ,BUT THE STANDARD ELECTRODE POTENTIALS SHOW THAT Li(LITHIUM) IS THE MOST REACTIVE......RECONCILE THESE OBSERVATIONS ...

Aluminium Chloride (AlCl3) exists as a dimer in solid phase , named Dialuminium Hexachloride (Al2Cl6) , with its octet fully filled . So it should have a good deal stability . But it still acts as a Lewis acid . Why is so ? ...

a wire of length l and linear mass density k is lying on a smooth horizontal floor.one end of a wire is pulled with const velocity v.what is the avg.power consumed in lifting the wire just off the ground(end of wire just abov ...

On a sheet of paper the following statements are written- Exactly 1 statement in this sheet is false Exactly 2 statements in this sheet are false . . . . Exactly 100 statements in this sheet are false q)how many statements in ...

I am posting all my doubts one by one from electrostatics..kindly help.. 1) A charge 'Q' is distributed uniformly on a ring of radius 'r'.A sphere of radius 'r' is constructed with its centre at the periphery of the ring. Fin ...

One mole of pure ethyl alcohol was treated with one mole of pure Acetic Acid at 25.C.One third of the acid changes into ester at equilibrium.Find the equilibrium constant for the reaction. ...

I2(aq)+I-(aq) → I3-(aq) We started with 1 mole of I2 and 0.5 mole of I- in one litre flask.After equlibrium is reached,excess of AgNO3 gave 0.25 mole of yellow ppt.Find the Equilibrium constant of the rxn. Note--- → repre ...

No . of zeros in n! = ? Any direct way to find out??? ...

I n the fig. shown a point object O is placed in air . A spherical boundary separates 2 media.AB is principal axis.The refractive index above AB is 1.6 & below AB is 2 The separation b/w the images formed due to refraction at ...

If Critical pressure of gas A < B then is the ease of liquification of A > B ??? ...

The diagram below shows the section of the pencil... Assume that for the pencil, shape is a regular hexagon, the wooden part is massless compared to the lead inside.. so that there is only mass at the center. The pencil is ro ...

*Image* The decreasing order of reactivity of the compounds given below towards solvolysis under identical conditions is: (a) II >III >IV>I (b) I>II>III>IV (c) IV>III>II>I (d) III >II >I>IV ...

The following compound *Image* treated with AgNO3 and H2O ?? ...

The equilibrium const for a reaction is K,and the reaction quotient is Q.For a particular reaction mixture,the ratio K/Q is 0.33.This means that A--the reaction mixture will equilibrate to form more reactant species B--the re ...

a)Bonding electrons >Anti Bonding electrons b)It contains unpaired electrons in Anti bonding orbital c)It contains unpaired electrons in Bonding orbital ...

What is the difference between solubility product and ionic product? ...

The diagram shows the rcn. profile of a typical rcn Rctnts.>< prods Which of the following changes would cause both of the rate consts k1 & k-1 to be increased a) Introducing a catalyst b)heating the equill mix. c)Cooli ...