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Heat of combustion of acetylen at 25 C is -1300 kJ at constamt pressure.FInd heat of combustion at constant volume. ...

Show that the enerystored in the series combination is the same as that in the parallel combination. ...

1.Difference between FAX and e-mail. 2.what type of modulation is needed in TV broadcast ...

Q1. A and B are points with coordinates (2,1,3) and (4,-2,5) respectively. 2x+y-z=3 is the equation of a plane (A) Line AB is parallel to the plane (B) AB meets the plane at (0,4,1) (c) The plane divides AB externally in the ...

ABC IS A TRIANGLE RIGHT ANGLED AT C , A LINE THROUGH THE MID POINT M OF HYPOTENUSE AB AND PARALLEL TO BC INTERSECT AC AT D SHOW THAT- (a)D IS THE MID POINT OF AC (b)MD IS PERPENDICULAR ON AC (c)CM = MA = 1/2AB HEP SOLVING IT! ...

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Q. What is the formula for volume of a tetrahedron whose vertices are given by the vectors a, b, c, d Q. How to decide whether a system of planes can form a prism or not? ...

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If y=f(x) be concave upward function and y=g(x) be a function such that f'(x).g(x)-g'(x).f(x)= x^4+2x^2+10, then a) g(x) has atleast one root between two consecutive roots of f(x) b) g(x) has at most one root between two cons ...

http://rapidshare.com/files/50837517/Fundamentals_Of_Organic_Chemistry.pdf I hope this helps all of you :) ...

IF (sin4x)/2+(cos4x)/3=1/5 then (a)tan2x=2/3 (b)sin8x/8+cos8x/27=1/125 (c)tan2x=1/3 (d)sin8x/8+cos8x/27=2/125??? It's mulit ans question... ...

1)An aldehyde (A) (C11H8O), dosen't undergo self aldol condensation, & gives Benzaldehyde & 2moles of (B) on Ozonolysis. One mole (B) on oxidation with Silver ion gives a dibasic acid (C), one mole of which liberates 2 mole C ...

How many structural isomers are possible with the hydrocarbon having the molecular formula C5H10?Please give their IUPAC names.. ...

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wat comes first in the order of preference in nomenclature of organic chem.? sulphonic or carboxylic? in some books it is given as carbo.(xi ncert) but in some other ones it is given as sulp.! which one is right?& ...

hey anyone knows a link ..where frm i can download the cbse physics question paper 2008...plzz its urgent... ...

if p is a prime no satisfying n<p<2n show that 2n C is divsible be p............... n ...

l sin pi x/2 + cos pi x/2 l = √((lnl x l )3 +1) is............... [ ans is 6 ] ...

Solution of y( 2x4 + y ) dy/dx = (1 - 4xy2)x2 [ANS IS............... 2 yx5/5 + y3/3 = x3/3 - 4xy3/3 + c ] ...

min [ (x1 - x2)2 + ( 5 + √(1 - x12) - √(4x2)2 ] for all x1 & x2 belongs to R is............... ...

Value of k for which lim cosec -1 ( k2/ln x - k2/x - 1 ) exists is ........ x→1 ...

Assertion : The pressure of a fixed amount of an ideal gas is proportional to its temp. Reason : Frequency of collisions and their impact both increase in proportion to the square root of the temperature. ...

When one mole of monoatomic gas at T K undergoes adiabatic change under a constant external pressure of 1 atm changes volume from 1 L to 2 L.The fianl temperature in Kelvin would be A. \frac{T}{2^{2/3}} B. T + 2/3 * 0.0821 C. ...

(x+1)(x+2)(x+3) ........... (x+n)=A0 + A1x + A2x2 + ............Anxn. Find A1 + 2A2 + 3A3 +.............nAn. ...

Q1. Find the least integral value of a such that \sqrt{9-a^2+2ax-x^2} > \sqrt{16-x^2} for at least one positive x (ans given 6 while i got 2) (integer type) Q2. matrix match Let (x,y) be such that sin-1(ax) + cos-1(y) + co ...

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Total number of achiral isomers obtained from monochlorination of methyl cyclohexane....... ...

a) Domain of 1/ x-(x) b) Doamin of (sinx)-(cosx) where (.) denotes LINT ...

AREA BOUNDED BY 4y2=x2(4 - x2) is................. ...

1/(1.3)+1/(3.5)+1/(5.7)+....... to n terms is ...